US2870105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrile rubber compositions containing sulfurized tall oil
Assignee: RIDBO LAB Inc
•
Filing: 1953-07-31
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Granted: 1959-01-20
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Eric O Ridgway
- 👤 Newell A Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L93/00; C08L93/04; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A RUBBER COMPOSITION COMPRISING A BUTADIENEACRYLONITRILE RUBBER AND THE THERMAL REACTION PRODUCT OF TALL OIL AND SULFUR, THE SULFUR IN THE REACTION PRODUCT BEING ABOUT 1% TO 25% BY WEIGHT BASED ON THE WEIGHT OF THE TALL OIL AND THE AMOUNT OF SAID REACTION PRODUCT BEING FROM ABOUT 2% TO ABOUT 25% BY WEIGHT OF THE NITRILE RUBBER
Claim 2
Dependent Claim
58 words
A RUBBER COMPOSITION COMPRISING A BUTADIENEACRYLONITRILE RUBBER AND THE THERMAL REACTION PRODUCT OF TALL OIL AND SULFUR, THE SULFUR IN THE REACTION PRODUCT BEING ABOUT 1% TO 25% BY WEIGHT BASED ON THE WEIGHT OF THE TALL OIL AND THE AMOUNT OF SAID REACTION PRODUCT BEING FROM ABOUT 2% TO ABOUT 25% BY WEIGHT OF THE NITRILE RUBBER
References Cited (Backward Citations)
DE618592C
Cited
US2480478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |