US3088929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of curing a chlorinated ethylene higher alpha olefin copolymer
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-06-02
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Granted: 1963-05-07
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Henry S Makowski
- 👤 William P Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025; C08F; C08F210/00; C08F8/00; C08F8/18; C08F8/20; C08K3/00; C08K3/01; C08K3/011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE PROCESS FOR FORMING A SYNTHETIC RUBBER COMPRISING THE STEPS OF: (1) MIXING (A) A CHLORINATED COPOLYMER HAVING AN OLEFIN CONTENT CONSISTING ESSENTIALLY OF 15 TO 85 MOL PERCENT ETHYLENE AND 85 TO 15 MOL PERCENT OF AN AOLEFIN CONTAINING FROM 3 TO 8 CARBON ATOMS, AND HAVING A CHLORINE CONTENT OF FROM 1 TO 30 WEIGHT PERCENT, SAID COPOLYMER HAVING BEEN CHLORINATED AT A TEMPERATURE OF 70*-120*C.; AND (B) A CURING AGENT SELECTED FROM THE CLASS CONSISTING OF DICUMYL PEROXIDE; METAL OXIDES, METAL SALTS AND METAL POWDERS, THE METAL COMPONENTS OF WHICH ARE GROUPS IIA AND IIB METALS, COPPER AND IRON; HETEROCYCLIC AMINES; SULFUR; QUINONE DIOXIME AND ITS DERIVATIVES; MIXTURES THEREOF; AND (2) HEATING THE RESULTING MIXTURE TO CURING TEMPERATURES TO CURE SAID CHLORINATED COPOLYMER.
Claim 2
Dependent Claim
126 words
THE PROCESS FOR FORMING A SYNTHETIC RUBBER COMPRISING THE STEPS OF: (1) MIXING (A) A CHLORINATED COPOLYMER HAVING AN OLEFIN CONTENT CONSISTING ESSENTIALLY OF 15 TO 85 MOL PERCENT ETHYLENE AND 85 TO 15 MOL PERCENT OF AN AOLEFIN CONTAINING FROM 3 TO 8 CARBON ATOMS, AND HAVING A CHLORINE CONTENT OF FROM 1 TO 30 WEIGHT PERCENT, SAID COPOLYMER HAVING BEEN CHLORINATED AT A TEMPERATURE OF 70*-120*C.; AND (B) A CURING AGENT SELECTED FROM THE CLASS CONSISTING OF DICUMYL PEROXIDE; METAL OXIDES, METAL SALTS AND METAL POWDERS, THE METAL COMPONENTS OF WHICH ARE GROUPS IIA AND IIB METALS, COPPER AND IRON; HETEROCYCLIC AMINES; SULFUR; QUINONE DIOXIME AND ITS DERIVATIVES; MIXTURES THEREOF; AND (2) HEATING THE RESULTING MIXTURE TO CURING TEMPERATURES TO CURE SAID CHLORINATED COPOLYMER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |