Simulated mother-of-pearl

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4797308
SERIAL NO

07070051

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An iridescent lustrous composite which can simulate the appearance of mother-of-pearl comprises a substrate comprising a transparent or translucent plastic which has been pigmented with a metal oxide coated mica pigment and the substrate carries on at least one of its surfaces a transparent thermoplastic resinous laminate film of at least ten very thin and generally parallel layers of transparent thermoplastic resinous materials, the contiguous layers differing in refractive index by at least about 0.03 and in which the layer at each external surface of the laminate film has a thickness which is greater than the thickness of any one of the multiple very thin layers.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ENGELHARD CORPORATIONISELIN, NJ308

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mattin, Harry E Briarcliff Manor, NY 1 30

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ENGELHARD CORPORATION (1)
* 4309480 Iron blue nacreous pigments 20 1980
 
Druckerei Gorius (1)
* 4457540 Multicolor printed product containing pearl luster pigment 11 1981
 
MEARL CORPORATION, A CORPORATION OF NEW JERSEY (1)
RE31780 Multilayer light-reflecting film 53 1983
 
MERCK PATENT GMBH (1)
* 4720438 Molded clay article coated with pearl pigment 8 1986
 
INMONT CORPORATION, (CHANGED TO) (1)
* 4499143 Multilayer automative paint system 42 1983
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MINNESOTA MINING AND MANUFACTURING COMPANY (2)
* 5976424 Method for making multilayer optical films having thin optical layers 68 1997
* 6082876 Hand-holdable toy light tube with color changing film 36 1998
 
Phillips Petroleum Company (2)
* 4946641 Process of making a gold-colored olefin product 5 1988
* 5035932 Gold colored polyolefin containers 4 1990
 
RMS PACKAGING, INC. (1)
* 5837359 Satin and tinted satin iridescent films 6 1996
 
NOVOZYMES BIOTECH, INC. (1)
6924014 High efficiency optical devices 35 2003
 
3M INNOVATIVE PROPERTIES COMPANY (29)
* 5882774 Optical film 616 1995
6565982 Transparent multilayer device 32 1996
* 6010751 Method for forming a multicolor interference coating 101 1997
* 6012820 Lighted hand-holdable novelty article 29 1998
6185039 Infrared selective reflective polarizing element 17 1999
* 6264747 Apparatus for forming multicolor interference coating 30 1999
6543153 Reflective polarizer having improved properties and optical display with improved reflective polarizer 18 1999
6804058 Electroluminescent light source and display incorporating same 13 2000
6641883 High efficiency optical devices 6 2001
6613421 Optical film 16 2001
6641280 Hand-holdable toy light tube 13 2001
7038745 Brightness enhancing reflective polarizer 35 2003
* 2003/0164,914 Brightness enhancing reflective polarizer 16 2003
7083847 Optical film 5 2003
* 2004/0043,205 Optical film 3 2003
* 2004/0175,552 High efficiency optical devices 10 2003
7321464 Electroluminescent light source and display incorporating same 10 2004
* 2005/0024,726 Electroluminescent light source and display incorporating same 5 2004
7147903 High efficiency optical devices 10 2005
7423708 Display having a reflective polarizer 2 2005
* 2005/0270,439 DISPLAY HAVING A REFLECTIVE POLARIZER 4 2005
7297393 Optical film 3 2006
* 2007/0092,728 HIGH EFFICIENCY OPTICAL DEVICES 26 2006
* 2007/0091,230 DISPLAY INCORPORATING REFLECTIVE POLARIZER 5 2006
7833593 High efficiency optical devices 1 2007
* 2007/0121,034 Display Incorporating Reflective Polarizer 15 2007
7852560 Display incorporating reflective polarizer 2 2008
* 2009/0079,909 DISPLAY INCORPORATING REFLECTIVE POLARIZER 9 2008
* 2009/0218,707 METHOD FOR MAKING PEN/PMMA MULTILAYER OPTICAL FILMS 6 2009
 
AZOTIC COATING TECHNOLOGY, INC. (1)
* 2006/0068,106 Methods for coating gemstones and other decorative objects 2 2005
 
TORAY INDUSTRIES, INC. (2)
* 7790272 Multilayer film and biaxially oriented polyester film 4 2004
* 2007/0026,223 Multilayer film and biaxially oriented polyester film 2 2004
 
MW CUSTOM PAPERS, LLC (1)
* 4888220 Decorative laminates having 3-dimensional effect 10 1988
 
EVONIK ROEHM GMBH (1)
* 2008/0122,136 Polymethylmethacrylate With a Nacreous Effect 0 2006
 
AZOTIC LLC (3)
7137275 Coatings for gemstones and other decorative objects 6 2005
* 2006/0065,016 Coatings for gemstones and other decorative objects 0 2005
7526928 Multi-color gemstones and gemstone coating deposition technology 2 2005
 
ATMEL CORPORATION (1)
* 2007/0008,775 MEMORY ARCHITECTURE WITH ENHANCED OVER-ERASE TOLERANT CONTROL GATE SCHEME 4 2005
 
ASAHI GLASS COMPANY, LIMITED (2)
* 8129022 Fluororesin film and process for its production 0 2009
* 2009/0263,650 FLUORORESIN FILM AND PROCESS FOR ITS PRODUCTION 1 2009
* Cited By Examiner