US2567016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon rubber plasticized with a polyvinyl compound
Assignee: Standard Oil Development Co
•
Filing: 1947-10-21
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Granted: 1951-09-04
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Expires: 1967-10-21
Abstract
No abstract record available.
Inventors
- 👤 Albert M Gessler
- 👤 Andrew F Sayko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:02
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A VULCANIZED COMPOSITION OF MATTER COMPRISING A MIXTURE OF A POLYMERIC PLASTICIZER COMPOUND HAVING A MOLECULAR WEIGHT BETWEEN 8,000 AND 30,000, AND SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ETHERS AND SATURATED POLYESTERS, AND A RUBBERY COPOLYMER OF AN ISOOLEFIIN AND A CONJUGATED DIOLEFIN, SAID MATERIALS BEING ADMIXED IN PROPORTION OF 5 TO 25% OF THE PLASTICIZER COMPOUND IN THE UNVULCANIZED HYDROCARBON COPOLYMER.
References Cited (Backward Citations)
US2104000A
Cited
US1989246A
Cited
US2143721A
Cited
US2160996A
Cited
US2161934A
Cited
DE705104C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |