US2706184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber processing compositions
Assignee: Phillips Petroleum Co
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Filing: 1951-11-08
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Granted: 1955-04-12
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Expires: 1971-11-08
Abstract
No abstract record available.
Inventors
- 👤 Walter A Schulze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:53
CPC Classifications
C; C08; C08L; C08L9/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD FOR PRODUCING RUBBER PROCESSING COMPOSITIONS TO BE USED IN THE VULCANIZATION OF RUBBER TO IMPROVE THEIR PROCESSABILITY AND THE PROPERTIES OF THE FINISHED PRODUCT, WHICH COMPRISES ADMIXING ONE PART BY WEIGHT OF A LIQUID POLYMER OF A CONJUGATED DIOLEFIN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE WITH 0.3 TO 1 PART BY WEIGHT OF A ROSIN ACID AND ADMIXING AT LEAST 5 PARTS BY WEIGHT OF THE RESULTING COMPOSITION WITH 100 PARTS BY WEIGHT OF SAID RUBBER PRIOR TO VALCANIZATION.
Claim 2
Independent Claim
84 words
A METHOD FOR PRODUCING RUBBER PROCESSING COMPOSITIONS TO BE USED IN THE VULCANIZATION OF RUBBER TO IMPROVE THEIR PROCESSABILITY AND THE PROPERTIES OF THE FINISHED PRODUCT, WHICH COMPRISES ADMIXING ONE PART BY WEIGHT OF A LIQUID POLYMER OF A CONJUGATED DIOLEFIN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE WITH 0.3 TO 1 PART BY WEIGHT OF A ROSIN ACID AND ADMIXING AT LEAST 5 PARTS BY WEIGHT OF THE RESULTING COMPOSITION WITH 100 PARTS BY WEIGHT OF SAID RUBBER PRIOR TO VALCANIZATION.
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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |