Patent US4140830A successfully refreshed from Google Patents.
US4140830A
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Polymer composite articles containing episulfide substituted organosilicon coupling agents
Assignee: OSI Specialties Inc
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Filing: 1977-06-28
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Granted: 1979-02-20
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Expires: 1997-06-28
Abstract
Abstract Polymer composites, such as rubber, thermoset and thermoplastic articles, comprising the reaction product of (a) an organic polymer, (b) an inorganic substrate and (c) an episulfide substituted organosilicon coupling agent, and articles comprising an inorganic substrate treated with an episulfide substituted organosilicon coupling agent.
Inventors
- 👤 Thomas C. Williams
- 👤 George E. Totten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:23
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K9/06; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995; Y10T428/2996; Y10T428/2998; Y10T428/31504; Y10T428/31507; Y10T428/31511; Y10T428/31525; Y10T428/3154; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31725; Y10T428/31786; Y10T428/31826; Y10T428/31855; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3504; Y10T442/3512
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
62 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) an organic polymer selected from the class consisting of thermoplastic forming resins and thermoset forming resins, (b) a siliceous reinforcing material and (c) an episulfide substituted organosilane coupling agent having the formula ##STR23## wherein X is a methoxy or ethoxy radical and R is a propyleneoxymethylene radical.
Claim 2
Dependent Claim
62 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) an organic polymer selected from the class consisting of thermoplastic forming resins and thermoset forming resins, (b) a siliceous reinforcing material and (c) an episulfide substituted organosilane coupling agent having the formula ##STR23## wherein X is a methoxy or ethoxy radical and R is a propyleneoxymethylene radical.
Claim 3
Dependent Claim
20 words
A thermoplastic resin article of manufacture as defined in claim 1, wherein the organic polymer is a thermoplastic forming resin.
Claim 4
Dependent Claim
20 words
A thermoset resin article of manufacture as defined in claim 1, wherein the organic polymer is a thermoset forming resin.
Claim 5
Dependent Claim
27 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) vulcanizable styrene-butadiene rubber, (b) precipitated silica, (c) aniline and (d) 1,2-epithio-4-oxa-7-trimethoxysilyl heptane.
Claim 6
Dependent Claim
27 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) vulcanizable styrene-butadiene rubber, (b) precipitated silica, (c) aniline and (d) 1,2-epithio-4-oxa-7-trimethoxysilyl heptane.
Claim 7
Dependent Claim
27 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) vulcanizable styrene-butadiene rubber, (b) precipitated silica, (c0 piperidine and (d) 1,2-epithio-4-oxa-7-trimethoxysilyl heptane.
Claim 8
Dependent Claim
27 words
A polymer composite article of manufacture comprising the reaction product of a composition comprising (a) vulcanizable styrene-butadiene rubber, (b) precipitated silica, (c0 piperidine and (d) 1,2-epithio-4-oxa-7-trimethoxysilyl heptane.
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) | 1982-02-19 | 1982-08-21 | 1983-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-19 | 1986-08-21 | 1987-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-19 | 1990-08-21 | 1991-02-20 | $7700.00 | Window Closed / Lapsed |