US4399251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising a thermoplastic resin and an olefin mold release agent
Assignee: General Electric Co
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Filing: 1981-12-07
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Granted: 1983-08-16
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Expires: 2001-12-07
Abstract
Abstract A composition comprising a thermoplastic resin and a mold release effective amount of an olefin.
Inventors
- 👤 Garland G. Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
53 words
A composition comprising a thermoplastic resin selected from the group consisting of aromatic carbonate polymer, polyester, polyarylate, copolyestercarbonate, polysulfone, polyethersulfone, polyamide, polysulfide, polyacrylate, polyurethane, polyvinylhalide, acrylonitrile butadiene styrene, butadiene styrene and methacrylate butadiene styrene and a mold release effective amount of a mono-olefin of from about fourteen to about forty-six carbon atoms inclusive.
Claim 2
Dependent Claim
53 words
A composition comprising a thermoplastic resin selected from the group consisting of aromatic carbonate polymer, polyester, polyarylate, copolyestercarbonate, polysulfone, polyethersulfone, polyamide, polysulfide, polyacrylate, polyurethane, polyvinylhalide, acrylonitrile butadiene styrene, butadiene styrene and methacrylate butadiene styrene and a mold release effective amount of a mono-olefin of from about fourteen to about forty-six carbon atoms inclusive.
Claim 3
Dependent Claim
15 words
A composition in accordance with claim 1 wherein the thermoplastic resin is an aromatic polycarbonate.
Claim 4
Dependent Claim
20 words
A composition in accordance with claim 2 wherein the olefin is from about sixteen to about thirty carbon atoms, inclusive.
Claim 5
Dependent Claim
14 words
A composition in accordance with claim 2 wherein the olefin is an alpha olefin.
Claim 6
Dependent Claim
14 words
A composition in accordance with claim 4 wherein the olefin is a normal olefin.
Claim 7
Dependent Claim
14 words
A composition in accordance with claim 2 wherein the olefin is a branched olefin.
Claim 8
Dependent Claim
18 words
A composition in accordance with claim 6 wherein the olefin has no more than about ten percent branching.
Claim 9
Dependent Claim
18 words
A composition in accordance with claim 5 wherein the olefin has 14, 16, 18 or 20 carbon atoms.
Claim 10
Dependent Claim
28 words
A composition in accordance with claim 2 wherein the olefin is present in from about 0.01 to about 3.0 weight percent based on the quantity of aromatic polycarbonate.
Claim 11
Dependent Claim
21 words
A composition in accordance with claim 9 wherein the olefin is present in from about 0.1 to about 0.4 weight percent.
Claim 12
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of an ultraviolet stabilizer is present.
Claim 13
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of a flame retardant is present.
Claim 14
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of a hydrolytic stabilizer is present.
Claim 15
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of a drip inhibitor is present.
Claim 16
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of a thermal stabilizer is present.
Claim 17
Dependent Claim
16 words
A composition in accordance with claim 2 wherein an effective amount of a filler is present.
Claim 18
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of an active filler is present.
Claim 19
Dependent Claim
16 words
A composition in accordance with claim 2 wherein an effective amount of a pigment is present.
Claim 20
Dependent Claim
17 words
A composition in accordance with claim 2 wherein an effective amount of an impact modifier is present.
Claim 21
Dependent Claim
17 words
A composition in accordance with claim 2 wherein the aromatic carbonate polymer is derived from bisphenol A.
References Cited (Backward Citations)
US2924584A
Cited
JPS5645944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-15 | 1987-02-14 | 1987-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-15 | 1991-02-14 | 1991-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-15 | 1995-02-14 | 1995-08-16 | $7700.00 | Window Closed / Lapsed |