US3344204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer of butadiene and normal alpha-olefins
Assignee: Sinclair Research Inc
•
Filing: 1965-10-07
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Granted: 1967-09-26
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Clough
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:55
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1625; C10L1/1633; C10L1/1658; C08; C08F; C08F240/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A NORMALLY LIQUID, MINERAL OIL-COMPATIBLE POLYMER OF ABOUT 1 TO 20% BY WEIGHT BUTADIENE AND 99 TO 80% OF A MIXTURE OF NORMAL ALPHA OLEFINS CONTAINING AT LEAST ABOUT 25% C16 NORMAL, ALPHA OLEFIN, AT LEAST ABOUT 20% C18 NORMAL, ALPHA OLEFIN AND UP TO ABOUT 50% OF NORMAL ALPHA OLEFINS IN THE C10 TO C24 RANGE OTHER THAN C16 TO C18, SAID POLYMER HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 1000 TO 20,000.
Claim 2
Dependent Claim
74 words
A NORMALLY LIQUID, MINERAL OIL-COMPATIBLE POLYMER OF ABOUT 1 TO 20% BY WEIGHT BUTADIENE AND 99 TO 80% OF A MIXTURE OF NORMAL ALPHA OLEFINS CONTAINING AT LEAST ABOUT 25% C16 NORMAL, ALPHA OLEFIN, AT LEAST ABOUT 20% C18 NORMAL, ALPHA OLEFIN AND UP TO ABOUT 50% OF NORMAL ALPHA OLEFINS IN THE C10 TO C24 RANGE OTHER THAN C16 TO C18, SAID POLYMER HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 1000 TO 20,000.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |