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US3297660A
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Curing mercaptan modified chloroprene polymers using mercaptan substituted carboxylic acids
Assignee: EIDP Inc
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Filing: 1962-05-22
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Granted: 1967-01-10
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Expires: 1982-05-22
Abstract
No abstract record available.
Inventors
- 👤 Richard O Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C08K5/405; C08K5/37; C08K5/372; C08K5/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CURABLE COMPOSITION COMPRISING A MERCAPTANMODIFIED CHLOROPRENE POLYMER, ZINC OXIDE, MAGNESIUM OXIDE, A VULCANIZATION ACCELERATOR AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYMER OF A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MERCAPTOACETIC ACID 3-MERCAPTOPROPIONIC ACID, WITH THE PROVISO THAT THE VULCANIZATION ACCELERATOR BE SELECTED FROM THE GROUP CONSISTING OF SALICYLIC ACID, THE DI-O-TOLYLGUANIDINE SALT OF DICATECHOL BORATE, TRIALKYTHIOUREAS IN WHICH THE ALKYL RADICALS CONTAIN FROM ONE TO TWO CARBON ATOMS, AND CYCLIC THIOUREAS OF THE STRUCTURE
Claim 2
Dependent Claim
87 words
A CURABLE COMPOSITION COMPRISING A MERCAPTANMODIFIED CHLOROPRENE POLYMER, ZINC OXIDE, MAGNESIUM OXIDE, A VULCANIZATION ACCELERATOR AND FROM ABOUT 0.2 TO 3.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYMER OF A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MERCAPTOACETIC ACID 3-MERCAPTOPROPIONIC ACID, WITH THE PROVISO THAT THE VULCANIZATION ACCELERATOR BE SELECTED FROM THE GROUP CONSISTING OF SALICYLIC ACID, THE DI-O-TOLYLGUANIDINE SALT OF DICATECHOL BORATE, TRIALKYTHIOUREAS IN WHICH THE ALKYL RADICALS CONTAIN FROM ONE TO TWO CARBON ATOMS, AND CYCLIC THIOUREAS OF THE STRUCTURE
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |