US3196126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic rubber
Assignee: Neville Chemical Co
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Filing: 1961-07-24
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Granted: 1965-07-20
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Wald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN THE MANUFACTURE OF IMPROVED, NON-BLEEDING VULCANIZATES FROM AN OIL MASTERBATCH HIGH MOLDECULAR WEIGHT ELASTOMERIC DIENE POLYMER, SAID OIL MASTERBATCH COMPRISING (A) A POLYMER HAVING A MOONEY VISCOSITY IN EXCESS OF ABOUT 60 (M.L. 100*C./4''), AND (B) AT LEAST 35 PARTS PER 100 PARTS OF POLYMER OF A HYDROCARBON EXTENDER OIL COMPOSED PREDONINANTLY OF NAPHTHENIC AND ALKYLATED NAPHTHENIC HYDROCARBONS AT LEAST ABOUT 90% OF WHICH BOIL ABOVE 250*C., THE IMPROVEMENT OF INCORPORATING IN SAID OIL MASTERBATCH, PRIOR TO CURING IT, A SYNTHETIC THERMOPLASTIC, RELATIVELY LOW MOLECULAR WEIGHT HYDROCARBON RESIN, THE CENTRAL MONOMERIC UNITS OF WHICH ARE PREDOMINANTLY CYCLIC HYDROCARBONS, SAID RESIN BEING PREPARED BY POLYMERIZATION OF AN UNSATURATED FRACTION BOILING WITHIN THE RANGE OF ABOUT 100*C TO ABOUT 235*C., CONTAINING AT LEAST ABOUT 20% OF POLYMERIZABLE COMPONENTS AND RESULTING FROM CRACKING OF HYDROCARBON OILS AND GASES, SAID RESIN HAVING A BALL AND RING SOFTENING POINT BETWEEN ABOUT 100* AND 115*C. AND HAVING A MOLECULAR WEIGHT OF ABOUT 300 TO ABOUT 3000.
Claim 2
Dependent Claim
161 words
IN THE MANUFACTURE OF IMPROVED, NON-BLEEDING VULCANIZATES FROM AN OIL MASTERBATCH HIGH MOLDECULAR WEIGHT ELASTOMERIC DIENE POLYMER, SAID OIL MASTERBATCH COMPRISING (A) A POLYMER HAVING A MOONEY VISCOSITY IN EXCESS OF ABOUT 60 (M.L. 100*C./4''), AND (B) AT LEAST 35 PARTS PER 100 PARTS OF POLYMER OF A HYDROCARBON EXTENDER OIL COMPOSED PREDONINANTLY OF NAPHTHENIC AND ALKYLATED NAPHTHENIC HYDROCARBONS AT LEAST ABOUT 90% OF WHICH BOIL ABOVE 250*C., THE IMPROVEMENT OF INCORPORATING IN SAID OIL MASTERBATCH, PRIOR TO CURING IT, A SYNTHETIC THERMOPLASTIC, RELATIVELY LOW MOLECULAR WEIGHT HYDROCARBON RESIN, THE CENTRAL MONOMERIC UNITS OF WHICH ARE PREDOMINANTLY CYCLIC HYDROCARBONS, SAID RESIN BEING PREPARED BY POLYMERIZATION OF AN UNSATURATED FRACTION BOILING WITHIN THE RANGE OF ABOUT 100*C TO ABOUT 235*C., CONTAINING AT LEAST ABOUT 20% OF POLYMERIZABLE COMPONENTS AND RESULTING FROM CRACKING OF HYDROCARBON OILS AND GASES, SAID RESIN HAVING A BALL AND RING SOFTENING POINT BETWEEN ABOUT 100* AND 115*C. AND HAVING A MOLECULAR WEIGHT OF ABOUT 300 TO ABOUT 3000.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |