
US Patent No: 4,310,584
Number of patents in Portfolio can not be more than 2000
Multilayer light-reflecting film
Stats
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Jan 12, 1982
Issued date -
Dec 26, 1979
filing date -
06/107,351
serial no -
Expired
status

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Abstract
Improvements in multilayer light-reflecting film are effected by the use of thermoplastic polyester as the high refractive index component of a system in which two or more resinous materials form a plurality of layers.
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First Claim
Related Publications
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
| Patent Owner | Address | Total Patents |
|---|---|---|
| MEARL CORPORATION, A CORPORATION OF NEW JERSEY | OSSINING, NY | 4 |
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Cooper, Scott A | Seattle, WA | 40 | 514 |
| Pinsky, Jules | Bloomfield, CT | 2 | 198 |
| Shetty, Ramakrishna | Pelham, NY | 5 | 203 |
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,218,510 Self unified, heat sealable, multilayer film | 11 | 1979 | |
Patent Citation Ranking
Forward Cites
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,937,134 Elastomeric optical interference films | 134 | 1989 | |
| 5,122,905 Relective polymeric body | 187 | 1990 | |
| 5,122,906 Thick/very thin multilayer reflective polymeric body | 137 | 1990 | |
| 5,486,949 Birefringent interference polarizer | 245 | 1990 | |
| 5,126,880 Polymeric reflective bodies with multiple layer types | 119 | 1990 | |
| 5,278,694 Optically dissimilar composition for polymeric reflective bodies | 103 | 1991 | |
| 5,149,578 Multilayer film for tamper indication by use of optical interference reflection | 91 | 1991 | |
| 5,269,995 Coextrusion of multilayer articles using protective boundary layers and apparatus therefor | 230 | 1992 | |
| 5,882,774 Optical film | 415 | 1995 | |
| 5,828,488 Reflective polarizer display | 174 | 1995 | |
| 5,612,820 Birefringent interference polarizer | 219 | 1995 | |
| 6,101,032 Light fixture having a multilayer polymeric film | 85 | 1995 | |
| 6,088,067 Liquid crystal display projection system using multilayer optical film polarizers | 37 | 1995 | |
| 6,080,467 High efficiency optical devices | 78 | 1995 | |
| 5,686,979 Optical panel capable of switching between reflective and transmissive states | 319 | 1995 | |
| 5,825,543 Diffusely reflecting polarizing element including a first birefringent phase and a second phase | 259 | 1996 | |
| 5,968,666 Multilayer polyester film | 10 | 1996 | |
| 5,808,798 Nonpolarizing beamsplitter | 28 | 1996 | |
| 6,565,982 Transparent multilayer device | 16 | 1996 | |
| 5,808,794 Reflective polarizers having extended red band edge for controlled off axis color | 166 | 1996 | |
| 6,025,897 Display with reflective polarizer and randomizing cavity | 93 | 1996 | |
| 5,872,653 Birefringent interference polarizer | 19 | 1996 | |
| 6,590,705 Optical film with co-continuous phases | 29 | 1997 | |
| 6,111,696 Brightness enhancement film | 196 | 1997 | |
| 6,057,961 Optical film with increased gain at non-normal angles of incidence | 42 | 1997 | |
| 6,288,172 Light diffusing adhesive | 36 | 1997 | |
| 5,831,375 Electroluminescent lamp using multilayer optical film | 50 | 1997 | |
| 6,368,699 Multilayer polymer film with additional coatings or layers | 94 | 1997 | |
| 5,825,542 Diffusely reflecting multilayer polarizers and mirrors | 182 | 1997 | |
| 6,124,971 Transflective displays with reflective polarizing transflector | 90 | 1997 | |
| 5,965,247 Process for forming reflective polarizer | 172 | 1997 | |
| 5,962,114 Polarizing beam-splitting optical component | 127 | 1997 | |
| 6,088,163 Metal-coated multilayer mirror | 39 | 1997 | |
| 6,010,751 Method for forming a multicolor interference coating | 70 | 1997 | |
| 6,018,419 Diffuse reflectors | 26 | 1998 | |
| 5,991,077 Multilayer polarizer having a continuous and disperse phase | 42 | 1998 | |
| 6,031,665 Method of forming a multilayer film having a continuous and disperse phase | 25 | 1998 | |
| 6,088,159 Reflective polarizers having extended red band edge for controlled off axis color | 20 | 1998 | |
| 6,117,530 Optical film | 51 | 1998 | |
| 6,203,921 Multilayer polyester film | 0 | 1998 | |
| 6,583,930 Birefringent interference polarization | 18 | 1998 | |
| 6,352,761 Modified copolyesters and improved multilayer reflective films | 47 | 1999 | |
| 6,096,375 Optical polarizer | 64 | 1999 | |
| 6,503,564 Method of coating microstructured substrates with polymeric layer(s), allowing preservation of surface feature profile | 25 | 1999 | |
| 6,172,810 Retroreflective articles having polymer multilayer reflective coatings | 59 | 1999 | |
| 6,005,713 Multilayer polarizer having a continuous and disperse phase | 13 | 1999 | |
| 6,185,039 Infrared selective reflective polarizing element | 12 | 1999 | |
| 6,264,747 Apparatus for forming multicolor interference coating | 19 | 1999 | |
| 6,449,093 Optical bodies made with a birefringent polymer | 20 | 1999 | |
| 6,459,514 Multilayer polymer film with additional coatings or layers | 30 | 1999 | |
| 6,498,683 Multilayer optical bodies | 19 | 1999 | |
| 6,543,153 Reflective polarizer having improved properties and optical display with improved reflective polarizer | 17 | 1999 | |
| 6,210,785 High efficiency optical devices | 14 | 1999 | |
| 6,141,149 Multilayer film having a continuous and disperse phase | 24 | 2000 | |
| 6,262,842 Transflective displays with reflective polarizing transflector | 81 | 2000 | |
| 6,350,034 Retroreflective articles having polymer multilayer reflective coatings | 13 | 2000 | |
| 6,224,219 Method for making retroreflective articles having polymer multilayer reflective coatings | 9 | 2000 | |
| 6,449,092 Reflective polarizers having extended red band edge for reduced off axis color | 9 | 2000 | |
| 6,396,631 Light fixture having a multilayer polymeric film | 13 | 2000 | |
| 6,475,609 Color shifting film glitter | 8 | 2000 | |
| 6,455,140 Visible mirror film glitter | 9 | 2000 | |
| 6,760,157 Brightness enhancement film | 83 | 2000 | |
| 6,243,201 Retroreflective articles having polymer multilayer reflective coatings | 20 | 2000 | |
| 6,804,058 Electroluminescent light source and display incorporating same | 12 | 2000 | |
| 6,641,883 High efficiency optical devices | 3 | 2001 | |
| 6,888,675 Transflective displays with reflective polarizing transflector | 3 | 2001 | |
| 6,534,158 Color shifting film with patterned fluorescent and non-fluorescent colorants | 20 | 2001 | |
| 6,506,480 Color shifting film with a plurality of fluorescent colorants | 15 | 2001 | |
| 6,737,154 Multilayer polymer film with additional coatings or layers | 12 | 2001 | |
| 6,613,421 Optical film | 15 | 2001 | |
| 6,641,900 Modified copolyesters and improved multilayer reflective films | 19 | 2001 | |
| 6,905,220 Backlight system with multilayer optical film reflector | 33 | 2002 | |
| 6,574,045 Optical bodies made with a birefringent polymer | 8 | 2002 | |
| 6,685,341 Light fixture having a multilayer polymeric film | 14 | 2002 | |
| 6,744,561 Multilayer optical bodies | 8 | 2002 | |
| 6,815,043 Microstructured substrates with profile-preserving polymeric coatings | 5 | 2002 | |
| 7,038,745 Brightness enhancing reflective polarizer | 13 | 2003 | |
| 6,987,612 Optical film with co-continuous phases | 3 | 2003 | |
| 7,083,847 Optical film | 3 | 2003 | |
| 6,946,188 Modified copolyesters and improved multilayer reflective films | 11 | 2003 | |
| 6,888,677 Multilayer optical bodies | 5 | 2003 | |
| 7,321,464 Electroluminescent light source and display incorporating same | 6 | 2004 | |
| 7,288,309 Microstructured substrates with profile-preserving organometallic coatings | 1 | 2004 | |
| 6,999,233 Optical film with co-continuous phases | 1 | 2004 | |
| 7,141,297 Multilayer optical bodies | 6 | 2005 | |
| 7,220,036 Thin direct-lit backlight for LCD display | 6 | 2005 | |
| 7,150,907 Modified copolyesters and improved multilayer reflective films | 7 | 2005 | |
| 7,147,903 High efficiency optical devices | 3 | 2005 | |
| 7,423,708 Display having a reflective polarizer | 1 | 2005 | |
| 7,057,816 Optical film with co-continuous phases | 1 | 2006 | |
| 7,297,393 Optical film | 1 | 2006 | |
| 7,459,204 Modified copolyesters and improved multilayer reflective films | 3 | 2006 | |
| 7,833,593 High efficiency optical devices | 0 | 2007 | |
| 7,611,752 Method of making a microstructured coated article | 0 | 2007 | |
| 8,168,302 Modified copolyesters and improved multilayer reflective films | 0 | 2008 | |
| 7,852,560 Display incorporating reflective polarizer | 0 | 2008 | |
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| 5,648,165 Hot stamp article for applying optically variable coating to substrates | 64 | 1993 | |
| 7,754,112 Methods for forming security articles having diffractive surfaces and color shifting backgrounds | 0 | 2003 | |
| 7,645,510 Provision of frames or borders around opaque flakes for covert security applications | 0 | 2005 | |
| 7,767,123 Producing two distinct flake products using a single substrate | 0 | 2005 | |
| 7,667,895 Patterned structures with optically variable effects | 1 | 2005 | |
| 7,608,330 High chroma optically variable color-shifting glitter comprising particles having interference structure coating | 1 | 2006 | |
| 8,343,615 Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | 0 | 2006 | |
| 7,674,501 Two-step method of coating an article for security printing by application of electric or magnetic field | 1 | 2006 | |
| 7,625,632 Alignable diffractive pigment flakes and method and apparatus for alignment and images formed therefrom | 3 | 2006 | |
| 7,876,481 Patterned optical structures with enhanced security feature | 0 | 2006 | |
| 7,729,026 Security device with metameric features using diffractive pigment flakes | 0 | 2006 | |
| 7,934,451 Apparatus for orienting magnetic flakes | 1 | 2007 | |
| 8,118,963 Stamping a coating of cured field aligned special effect flakes and image formed thereby | 0 | 2007 | |
| 7,550,197 Non-toxic flakes for authentication of pharmaceutical articles | 1 | 2007 | |
| 7,880,943 Patterned optical structures with enhanced security feature | 0 | 2007 | |
| 8,025,952 Printed magnetic ink overt security image | 1 | 2007 | |
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| 5,867,316 Multilayer film having a continuous and disperse phase | 105 | 1996 | |
| 5,795,528 Method for making a multilayer polyester film having a low coefficient of friction | 9 | 1996 | |
| 5,783,283 Multilayer polyester film with a low coefficient of friction | 15 | 1996 | |
| 5,759,467 Method for making multilayer polyester film | 28 | 1996 | |
| 5,820,957 Anti-reflective films and methods | 28 | 1996 | |
| 6,297,906 Light fixture containing optical film | 33 | 1997 | |
| 5,976,424 Method for making multilayer optical films having thin optical layers | 49 | 1997 | |
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| 5,089,318 Iridescent film with thermoplastic elastomeric components | 84 | 1989 | |
| 5,451,449 Colored iridescent film | 74 | 1994 | |
| RE36899 Iridescent film with thermoplastic elastomeric components | 1 | 1994 | |
| 6,291,056 Flakes from multilayer iridescent films for use in paints and coatings | 0 | 1998 | |
| 6,554,943 Flakes from multilayer iridescent films for use in paints and coatings | 0 | 2001 | |
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| 7,241,485 Protective film for glass | 2 | 2002 | |
| 7,790,272 Multilayer film and biaxially oriented polyester film | 2 | 2004 | |
| 8,110,282 Laminated film and molded body | 1 | 2006 | |
| 7,410,686 Protective film for glass | 0 | 2007 | |
| 8,404,335 Laminated film and molded body | 0 | 2012 | |
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| 5,254,392 Anti-iridescence coatings | 27 | 1991 | |
| 5,248,545 Anti-iridescent coatings with gradient refractive index | 20 | 1991 | |
| 5,168,003 Step gradient anti-iridescent coatings | 45 | 1991 | |
| 5,271,960 Step gradient anti-iridescent coatings | 12 | 1992 | |
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| 5,661,839 Light guide employing multilayer optical film | 86 | 1996 | |
| RE37594 Light guide employing multilayer optical film | 27 | 1999 | |
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| 6,139,613 Multilayer pigments and their manufacture | 7 | 1998 | |
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| 6,091,469 Light reflector for use in a reflective-type liquid-crystal display | 46 | 1999 | |
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| 6,310,671 Polarization sensitive scattering element | 25 | 1998 | |
|
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| 7,214,262 Temporary cosmetic dental surface coating | 1 | 2004 | |
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| 7,413,799 Reflective film and reflective plate | 1 | 2005 | |
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| 6,924,014 High efficiency optical devices | 9 | 2003 | |
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| 5,946,431 Multi-functional photometer with movable linkage for routing light-transmitting paths using reflective surfaces | 2 | 1997 | |
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| 6,475,608 Multi-layer iridescent films | 5 | 1998 | |
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| 5,837,359 Satin and tinted satin iridescent films | 6 | 1996 | |
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| 7,901,780 Polymer interlayers comprising blends of plasticized poly(vinyl butyral) and poly(cyclohexanedimethylene terephthalate-co-ethylene terephthalate) copolyester | 0 | 2008 | |
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| 6,677,031 Multilayer film, refractive polarizer film and semi-transparent film | 6 | 2001 | |
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| 5,126,519 Method and apparatus for producing microwave susceptor sheet material | 6 | 1990 | |
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |