Patent US3240749A successfully refreshed from Google Patents.
US3240749A
Expired / Lapsed
US
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Method of stabilization of rubber with a substituted triazine and compositions stabilized thereby
Assignee: Novartis Corp
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Filing: 1962-10-25
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Granted: 1966-03-15
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Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Dexter Martin
- 👤 Knell Martin
- 👤 Eric A Roskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/378; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
METHOD OF STABILIZING RUBBER SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENE RUBBER, BUTYL RUBBER, AND NITRILE RUBBER WHICH COMPRISES INCORPORATING THEREIN A STABILIZING AMOUNT OF A STABILIZER, SAID STABILIZER BEING A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
36 words
METHOD OF STABILIZING RUBBER SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENE RUBBER, BUTYL RUBBER, AND NITRILE RUBBER WHICH COMPRISES INCORPORATING THEREIN A STABILIZING AMOUNT OF A STABILIZER, SAID STABILIZER BEING A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |