US2983707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing chlorinated rubbery polymers
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-10-22
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Granted: 1961-05-09
•
Expires: 1977-10-22
Abstract
No abstract record available.
Inventors
- 👤 Francis P Baldwin
- 👤 Robert M Thomas
- 👤 Kuntz Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF THE REACTION PRODUCT AT A TEMPERATURE OF ABOVE 0* C. TO ABOUT 100* C. OF A RUBBERY COPOLYMER OF ABOUT 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C10 ISOMONOOLEFIN AND ABOUT 0.5 TO 15 WEIGHT PERCENT OF A C4 TO C14 DIOLEFIN WITH A CHLORINATING AGENT, SAID REACTION PRODUCT HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 15,000 TO 2000,000, A MOLE PERCENT UNSATURATION OF 0.2 TO 20.0 AND CONTAINING AT LEAST ABOUT 0.5 WEIGHT PERCENT COMBINED CHLORINE ON A BASIS OF THE TOTAL WEIGHT OF COPOLYMER BUT NOT MORE THAN ABOUT 1 COMBINED ATOM OF CHLORINE PER DOUBLE BOND IN SAID COPOLYMER AND 0.5 TO 20 WEIGHT PERCENT OF A STABILIZER, SAID STABILIZER BEING N,N''-DI-BETA-NAPHTHYL-P-PHENYLENEDIAMINE.
Claim 2
Dependent Claim
126 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF THE REACTION PRODUCT AT A TEMPERATURE OF ABOVE 0* C. TO ABOUT 100* C. OF A RUBBERY COPOLYMER OF ABOUT 85 TO 99.5 WEIGHT PERCENT OF A C4 TO C10 ISOMONOOLEFIN AND ABOUT 0.5 TO 15 WEIGHT PERCENT OF A C4 TO C14 DIOLEFIN WITH A CHLORINATING AGENT, SAID REACTION PRODUCT HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 15,000 TO 2000,000, A MOLE PERCENT UNSATURATION OF 0.2 TO 20.0 AND CONTAINING AT LEAST ABOUT 0.5 WEIGHT PERCENT COMBINED CHLORINE ON A BASIS OF THE TOTAL WEIGHT OF COPOLYMER BUT NOT MORE THAN ABOUT 1 COMBINED ATOM OF CHLORINE PER DOUBLE BOND IN SAID COPOLYMER AND 0.5 TO 20 WEIGHT PERCENT OF A STABILIZER, SAID STABILIZER BEING N,N''-DI-BETA-NAPHTHYL-P-PHENYLENEDIAMINE.
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |