Patent DE122264C successfully refreshed from Google Patents.
US3355419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized cis 1, 4 polybutadiene
Assignee: Bridgestone Firestone Inc
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Filing: 1963-10-18
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Granted: 1967-11-28
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Wendell S Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
POLYBUTADIENE HAVING INCORPORATED THEREIN 0.15 TO 2.5 PARTS OF A STABILIZER MIXTURE PER 100 PARTS OF THE POLYMER, THE POLYMER BEINGSTEREOLINEAR DUE TO POLYMERIZATION WITH A LITHIUM-BASED CATALYST AND EXHIBITING BY INFRA-RED TECHNIQUE SUBSTANTIALLY 30 TO 40 PERCENT OF CIS-1,4-STRUCTURE AND SUBSTANTIALLY 6 TO 15 PERCENT, 1.2-STRUCTURE, THEBALANCE BEING TRANS-1,4-STRUCTURE; THE STABILIZER MIXTURE BEING COMPOSED OF 0.05 TO 0.5 PART OF COMPONENT 1 WHICH HAS THE FORMULA
Claim 2
Dependent Claim
67 words
POLYBUTADIENE HAVING INCORPORATED THEREIN 0.15 TO 2.5 PARTS OF A STABILIZER MIXTURE PER 100 PARTS OF THE POLYMER, THE POLYMER BEINGSTEREOLINEAR DUE TO POLYMERIZATION WITH A LITHIUM-BASED CATALYST AND EXHIBITING BY INFRA-RED TECHNIQUE SUBSTANTIALLY 30 TO 40 PERCENT OF CIS-1,4-STRUCTURE AND SUBSTANTIALLY 6 TO 15 PERCENT, 1.2-STRUCTURE, THEBALANCE BEING TRANS-1,4-STRUCTURE; THE STABILIZER MIXTURE BEING COMPOSED OF 0.05 TO 0.5 PART OF COMPONENT 1 WHICH HAS THE FORMULA
References Cited (Backward Citations)
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |