US3175992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber products resistant to radiation damage
Assignee: Phillips Petroleum Co
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Filing: 1958-08-21
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Granted: 1965-03-30
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION PRODUCED BY VULCANIZING IN THE PRESENCE OF SULFUR A MIXTURE OF A RUBBERY POLYMER OF BUTADIENE AND STYRENE AND, PER 100 PARTS BY WEIGHT OF SAID POLYMER, 5 TO 10 PARTS OF A SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENYL MONOSULFIDE, BIS(2,4NITROPHENYL) DISULFIDE, BIS(2-NITROPHENYL) DISULFIDE, AND BIS(4-NITROPHENYL) DISULFIDE.
Claim 2
Dependent Claim
52 words
A COMPOSITION PRODUCED BY VULCANIZING IN THE PRESENCE OF SULFUR A MIXTURE OF A RUBBERY POLYMER OF BUTADIENE AND STYRENE AND, PER 100 PARTS BY WEIGHT OF SAID POLYMER, 5 TO 10 PARTS OF A SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENYL MONOSULFIDE, BIS(2,4NITROPHENYL) DISULFIDE, BIS(2-NITROPHENYL) DISULFIDE, AND BIS(4-NITROPHENYL) DISULFIDE.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |