US Patent No: 6,894,102
Number of patents in Portfolio can not be more than 2000
Syndiotactic polystyrene blends
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May 17, 2005
Issued date -
May 20, 2002
filing date -
10/063,853
serial no -
In Force
status
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Abstract
A syndiotactic polystyrene blend comprises syndiotactic polystyrene and poly(arylene ether) wherein the poly(arylene ether) has an intrinsic viscosity less than about 0.25 deciliters per gram (dl/g) when measured in chloroform at 25° C.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,680,353 Process for production of styrene polymers | 115 | 1986 | |
| 5,109,068 Styrene-based polymer composition, stretched molding thereof and process for producing the same | 40 | 1989 | |
| 5,165,990 Stampable sheet | 27 | 1990 | |
| 5,206,197 Catalyst composition for preparation of syndiotactic vinyl aromatic polymers | 54 | 1991 | |
| 5,219,940 Styrene polymer composition | 43 | 1991 | |
| 5,552,480 Thermoplastic resin composition | 5 | 1993 | |
| 5,391,603 Impact modified syndiotactic vinyl aromatic polymers | 36 | 1993 | |
| 5,352,727 Syndiotactic polystyrene composition | 33 | 1993 | |
| 5,418,275 Polystyrene composition | 37 | 1993 | |
| 5,391,611 Styrenic resin composition | 39 | 1993 | |
| 5,426,171 Thermoplastic resins containing coated additives | 3 | 1993 | |
| 5,444,126 Process for producing a modified polyphenylene ether | 30 | 1994 | |
| 5,436,397 Polystyrene composition | 37 | 1994 | |
| 5,543,462 Impact resistant polystyrene composition | 34 | 1994 | |
| 5,760,105 Styrenic resin composition | 17 | 1996 | |
| 5,683,801 Styrenic resin laminate and molding thereof | 3 | 1996 | |
| 5,777,028 Impact modified syndiotactic polystyrene blend | 27 | 1996 | |
| 5,712,330 Styrenic resin pellet and molding produced therefrom | 4 | 1996 | |
| 5,902,850 Syndiotactic styrenic resin composition | 22 | 1996 | |
| 5,952,431 Process for producing acid-modified polyphenylene ether and polystyrenic resin composition | 3 | 1997 | |
| 6,013,709 Polystyrenic resin composition and molded article thereof | 9 | 1997 | |
| 5,703,164 Styrene polymer composition | 4 | 1997 | |
| 5,777,021 Composition of styrene polymer and polar group-containing polyphenylene ether | 10 | 1997 | |
| 5,914,370 Modified syndiotactic styrenic polymer compositions and blends | 2 | 1997 | |
| 6,214,909 Polystyrenic resin composition | 3 | 1997 | |
| 6,031,049 Blends comprising a syndiotactic polystyrene and a polyphenylene ether | 20 | 1998 | |
| 6,048,932 Impact modified syndiotactic polystyrene blend | 13 | 1998 | |
| 5,990,217 Styrene based resin composition | 9 | 1998 | |
| 6,239,217 Molding composition containing syndiotactic vinylaromatic polymer | 3 | 1999 | |
| 6,469,098 Styrene resin composition and method of manufacturing the same, and method of manufacturing styrene resin molded products | 1 | 2000 | |
| 2002/0035,208 Flame retardant resin composition | 1 | 2001 | |
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| 4,927,535 Microporous membranes from isotactic polystyrene and syndiotactic polystyrene | 3 | 1989 | |
| 5,196,490 Process for preparation of syndiotactic polystyrene | 11 | 1991 | |
| 5,169,893 Mixtures containing stereoregular polystyrene | 7 | 1991 | |
| 5,318,839 Laminate with a styrenic polymer layer | 20 | 1992 | |
| 5,412,024 Thermoplastic resin composition | 36 | 1992 | |
| 5,241,015 Compatibilized polycarbonate syndiotactic vinyl aromatic polymer blends | 13 | 1992 | |
| 5,460,868 Method for using molding | 1 | 1992 | |
| 5,294,685 Process for producing a styrenic polymer having a high degree of syndiotacticity | 10 | 1993 | |
| 5,460,818 Compatibilized blend of olefinic polymers and monovinylidene aromatic polymers | 47 | 1994 | |
| 5,739,200 Plasticizied .alpha.-olefin/vinylidene aromatic monomer of hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers | 29 | 1996 | |
| 5,889,069 High temperature syndiotactic styrene polymer foam | 2 | 1997 | |
| 5,990,244 Toughened polymer blends | 9 | 1998 | |
| 6,063,872 Molding compositions containing syndiotactic monovinylidene aromatic polymer | 3 | 1998 | |
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| 5,066,741 Process for preparation of syndiotactic vinyl aromatic polymers | 83 | 1990 | |
| 5,569,428 Process for the preparation of fibers of syndiotactic vinylaromatic polymers | 1 | 1995 | |
| 5,733,823 Prepreg for printed circuit board and substrate for printed circuit using said prepreg | 25 | 1996 | |
| 6,005,050 Impact resistant polystyrene composition | 32 | 1997 | |
| 6,071,643 Battery jar material for sealed secondary battery and battery jar for sealed secondary battery using the same | 12 | 1998 | |
| 6,348,540 Styrenic resin composition and semiconductor carrier device | 4 | 1999 | |
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| 4,663,230 Carbon fibrils, method for producing same and compositions containing same | 288 | 1984 | |
| 5,165,909 Carbon fibrils and method for producing same | 213 | 1990 | |
| 5,591,382 High strength conductive polymers | 90 | 1993 | |
| 5,589,152 Carbon fibrils, method for producing same and adhesive compositions containing same | 72 | 1995 | |
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| 5,854,353 Thermoplastic molding compound | 21 | 1996 | |
| 6,093,771 Thermoplastic moulding compounds based on vinyl aromatic polymers with syndiotactic structure, low-viscosity polyamides and polyphenylene ethers modified with polar groups | 3 | 1998 | |
| 6,420,483 Preparation of impact-modified plastics | 3 | 2000 | |
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| 4,972,021 Polyphenylene ether/polypropylene compositions | 12 | 1988 | |
| 6,221,939 Flame retardant resin compositions containing phosphoramides, and method for making | 18 | 1999 | |
| 6,228,912 Flame retardant resin compositions containing phosphoramides and method for making | 26 | 1999 | |
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| 4,483,958 Thermoplastic polymer compositions comprising aromatic polyether and an inorganic filler | 30 | 1983 | |
| 4,816,289 Process for production of a carbon filament | 135 | 1985 | |
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| 5,420,210 Formamide group-containing copolymer, process for producing the same, and thermoplastic resin composition containing the same | 2 | 1992 | |
| 5,373,065 Process for producing formamide group-containing copolymer, and thermoplastic resin composition containing the same | 5 | 1993 | |
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| 6,306,537 Impact modified polystyrene seals for galvanic cells | 6 | 1998 | |
| 6,326,099 Impact modified polystyrene gaskets for electrochemical cells | 4 | 1999 | |
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| 5,183,853 Articles of a new crystalline form of syndiotactic styrene polymer | 5 | 1990 | |
| 5,159,023 Functionalized polymers from metallated crystalline copolymers of alpha-olefins with dienes and process for preparing same | 6 | 1990 | |
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| 4,572,813 Process for preparing fine carbon fibers in a gaseous phase reaction | 123 | 1984 | |
| 4,876,078 Process for preparing carbon fibers in gas phase growth | 67 | 1987 | |
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| 5,612,820 Birefringent interference polarizer | 219 | 1995 | |
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| 2002/0042,474 Mixtures of an aromatic vinyl resin and of polyphenylene ether with improved impact strength | 4 | 2001 | |
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| 5,326,813 Thermoplastic resin composition containing a modified polyphenylene ether | 36 | 1992 | |
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| 5,502,098 Polymer composition for electrical part material | 4 | 1994 | |
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| 6,160,714 Molded electronic package and method of preparation | 9 | 1997 | |
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| 6,596,096 Permanent magnet for electromagnetic device and method of making | 18 | 2001 | |
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| 4,565,684 Regulation of pyrolysis methane concentration in the manufacture of graphite fibers | 76 | 1984 | |
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| 5,024,818 Apparatus for forming carbon fibers | 76 | 1990 | |
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| 4,946,897 Thermoplastic compositions based on syndiotactic polymers of styrene and polyphenylene ethers | 14 | 1988 | |
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| 2001/0025,082 Syndiotactic polystyrene copolymer resin composition having macromonomer for improving impact strength | 3 | 2001 | |
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| 4,883,177 Plate mountable on the base of a bin-type container for the ordered storage of bobbins | 2 | 1988 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 17, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |