Patent US4499766A successfully refreshed from Google Patents.
Patent US3185673A successfully refreshed from Google Patents.
US3185673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of curing elastomeric materials
Assignee: Dunlop Rubber Co Ltd
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Filing: 1962-01-17
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Granted: 1965-05-25
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Kendall Charles Edwin
- 👤 Huke Douglas Wynne
- 👤 Callander Douglas David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; Y; Y10; Y10S; Y10S273/00; Y10S273/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR THE PRODUCTION OF A CURED ELASTOMER WHICH COMPRISES HEATING AT LEAST ONE SYNTHETIC ELASTOMER SELECTED FROM THE CLASS CONSISTING OF RUBBER-LIKE BUTADIENE/ STYRENE AND BUTADIENE/ACRYLONITRILE COPOLYMERS, CIA- AND TRANS-POLYBUTADIENE, TRANS-POLYISOPRENE, COPOLYMERS OF BUTADIENE WITH UNSATURATEDD KETONES,COPOLYMERS OF BUTADIENE WITH ACRYLATES, COPOLYMERS OF BUTADIENE WITH SUBSTUTITED ACRYLATES, POLYCHLOROBUTADIENE, CHLOROSULPHONATED POLYETHYLENES, CHLORINE-CONTAINING COPOLYMERS OF VINYL CHLORIDE WITH ETHYLENE, AND CHLORINE-CONTAINING COPOLYMERS OF VINYL CHLORIDE WITH PROPYLENE, WITH SULPHUR AS A CURING AGENT AND WITH, AS ACCELERATOR, AN ALIPHATIC AMINE MONOCARBAMATE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
85 words
A PROCESS FOR THE PRODUCTION OF A CURED ELASTOMER WHICH COMPRISES HEATING AT LEAST ONE SYNTHETIC ELASTOMER SELECTED FROM THE CLASS CONSISTING OF RUBBER-LIKE BUTADIENE/ STYRENE AND BUTADIENE/ACRYLONITRILE COPOLYMERS, CIA- AND TRANS-POLYBUTADIENE, TRANS-POLYISOPRENE, COPOLYMERS OF BUTADIENE WITH UNSATURATEDD KETONES,COPOLYMERS OF BUTADIENE WITH ACRYLATES, COPOLYMERS OF BUTADIENE WITH SUBSTUTITED ACRYLATES, POLYCHLOROBUTADIENE, CHLOROSULPHONATED POLYETHYLENES, CHLORINE-CONTAINING COPOLYMERS OF VINYL CHLORIDE WITH ETHYLENE, AND CHLORINE-CONTAINING COPOLYMERS OF VINYL CHLORIDE WITH PROPYLENE, WITH SULPHUR AS A CURING AGENT AND WITH, AS ACCELERATOR, AN ALIPHATIC AMINE MONOCARBAMATE OF THE GENERAL FORMULA
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |