Patent US2886550A successfully refreshed from Google Patents.
US2886550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for compounding rubbery polymers with hydrocarbon extended and modified clayand product obtained
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1956-05-24
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Granted: 1959-05-12
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Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Mayer B Goren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08K9/00; C08K9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A REINFORCED RUBBERY POLYMER COMPRISING A RUBBERY POLYMER SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, POLYBUTADIENE, POLYCHLOROPRENE, POLYISOPRENE, COPOLYMERS OF BUTADIENE AND STYRENE, COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, COPOLYMERS OF ISOBUTENE AND ISOPRENE, AND COPOLYMERS OF ISOBUTENE AND BUTADIENE, AND A MODIFIED CLAY ORIGANIALLY EXHIBITING A BASE-EXCHANGE CAPACITY IN WHICH THE INORGANIC CATION HAS BEEN REPLACED BY A SUBSTITUTED ORGANIC ONIUM BASE, THE MODIFIED CLAY PRIOR TO ITS INCORPORATION IN THE RUBBERY POLYMER BEING DISPERSED IN A NON-STAINING RUBBERY POLYMER-COMPATIBLE HYDROCARBON WHICH IS LIQUID AT THE TEMPERATURE OF INCORPORATION OF THE MODIFIED CLAY IN THE RUBBERY POLYMER.
Claim 2
Dependent Claim
98 words
A REINFORCED RUBBERY POLYMER COMPRISING A RUBBERY POLYMER SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, POLYBUTADIENE, POLYCHLOROPRENE, POLYISOPRENE, COPOLYMERS OF BUTADIENE AND STYRENE, COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, COPOLYMERS OF ISOBUTENE AND ISOPRENE, AND COPOLYMERS OF ISOBUTENE AND BUTADIENE, AND A MODIFIED CLAY ORIGANIALLY EXHIBITING A BASE-EXCHANGE CAPACITY IN WHICH THE INORGANIC CATION HAS BEEN REPLACED BY A SUBSTITUTED ORGANIC ONIUM BASE, THE MODIFIED CLAY PRIOR TO ITS INCORPORATION IN THE RUBBERY POLYMER BEING DISPERSED IN A NON-STAINING RUBBERY POLYMER-COMPATIBLE HYDROCARBON WHICH IS LIQUID AT THE TEMPERATURE OF INCORPORATION OF THE MODIFIED CLAY IN THE RUBBERY POLYMER.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |