US4987204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: Toyoda Gosei Co Ltd
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Filing: 1989-01-30
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Granted: 1991-01-22
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Expires: 2009-01-30
Abstract
Abstract The present invention relates to a coating composition comprising 2-100 parts by weight of a fluororesin, 5-100 parts by weight of a silicone oil, and a solvent to 100 parts of a urethane prepolymer, said urethane prepolymer comprising a polyol, castor oil polyol, and a polyisocyanate, and said coating composition being suitable for use as a coating for rubber products such as weather strips for cars, glass weather strips, synthetic resin products, and others.
Inventors
- 👤 Tatsuya Murachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:15
CPC Classifications
C; C09; C09D; C09D175/00; C09D175/04; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/12; C08G18/83
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
A coating composition comprising 100 parts by weight of a urethane prepolymer which is the reaction product of a polyol and a polyisocyanate, 2-100 parts by weight of a fluororesin, 2 or more parts by weight of a silicone oil, 0.002-20 parts by weight of a halogenating agent, and a solvent.
Claim 2
Dependent Claim
51 words
A coating composition comprising 100 parts by weight of a urethane prepolymer which is the reaction product of a polyol and a polyisocyanate, 2-100 parts by weight of a fluororesin, 2 or more parts by weight of a silicone oil, 0.002-20 parts by weight of a halogenating agent, and a solvent.
Claim 3
Dependent Claim
30 words
A coating composition, as set forth in claim 1, in which the halogenating agent is an alkyl hypohalide, a hypochlorite or a compound that has a --CONX-bond in the molecule.
Claim 4
Dependent Claim
18 words
A coating composition, as set forth in claim 1, in which the silicone oil is dimethyl silicone oil.
References Cited (Backward Citations)
US4748212A
Cited
US4849468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-01-21 | 1994-07-23 | 1995-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-21 | 1998-07-23 | 1999-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-21 | 2002-07-23 | 2003-01-22 | $7700.00 | Window Closed / Lapsed |