US4393154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable long fiber loaded rubber composition and method of making same
Assignee: Goodyear Tire and Rubber Co
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Filing: 1981-07-30
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Granted: 1983-07-12
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Expires: 2001-07-30
Abstract
Abstract An improved curable chopped fiber loaded elastomer or plastic composition composed of a blend of about 5 to 50 percent of chopped fiber of up to 1.3 centimeters in length and 95 to 50 percent of particulate unvulcanized elastomer or plastic which is capable of passing a 6 mesh U.S. Standard Screen.
Inventors
- 👤 Keith A. Tyler
- 👤 Sidney R. Fix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/045; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; C08L; C08L11/00; C08L21/00; C08J2311/00; C08J2321/00; C08K5/00; C08K5/0008; C08K5/0016; C08L1/00; C08L67/00; C08L97/00; C08L97/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
55 words
An improved curable chopped fiber loaded rubber composition consisting essentially of a blend of about 5 to 50 percent by weight of chopped fibers of about 0.4 centimeters up to about 1.3 centimeters long, about 95 to 50 percent by weight of particulate unvulcanized rubber being capable of passing a 6 mesh U.S. Standard screen.
Claim 2
Dependent Claim
55 words
An improved curable chopped fiber loaded rubber composition consisting essentially of a blend of about 5 to 50 percent by weight of chopped fibers of about 0.4 centimeters up to about 1.3 centimeters long, about 95 to 50 percent by weight of particulate unvulcanized rubber being capable of passing a 6 mesh U.S. Standard screen.
Claim 3
Dependent Claim
23 words
The composition of claim 1 wherein the composition contains from 0.3 to 5 percent by weight of a curative of the sulfur type.
Claim 4
Dependent Claim
10 words
The composition of claim 1 wherein the rubber is polychloroprene.
Claim 5
Dependent Claim
17 words
The composition of claim 1 containing at least one part of about 100 parts of a plasticizer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-11 | 1987-01-10 | 1987-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-11 | 1991-01-10 | 1991-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-11 | 1995-01-10 | 1995-07-12 | $7700.00 | Window Closed / Lapsed |