US3391107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiozonants and antiozonant compositions for elastomers
Assignee: Eastman Kodak Co
•
Filing: 1967-02-15
•
Granted: 1968-07-02
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Eldon E Stahly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:44
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A SULFUR VULCANIZABLE RUBBER COMPOSITION NORMALLY SUBJECT TO CRACKING CONTAINING, IN SUFFICIENT AMOUNT TO RETARD SAID CRACKING, N,N''-DIMETHYL-N,N''-DI-ISOPROPYL-PPHENYLENEDIAMINE.
Claim 2
Dependent Claim
18 words
A SULFUR VULCANIZABLE RUBBER COMPOSITION NORMALLY SUBJECT TO CRACKING CONTAINING, IN SUFFICIENT AMOUNT TO RETARD SAID CRACKING, N,N''-DIMETHYL-N,N''-DI-ISOPROPYL-PPHENYLENEDIAMINE.
References Cited (Backward Citations)
FR837635A
Cited
GB508129A
Cited
FR851775A
Cited
US2494059A
Cited
US2562802A
Cited
GB728509A
Cited
US2788338A
Cited
US2759905A
Cited
US2883362A
Cited
US2798860A
Cited
US3019211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |