Patent US2830033A successfully refreshed from Google Patents.
US2830033A
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Compounding chloroalkylidene bisphenols
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-07-20
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Granted: 1958-04-08
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Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/16; C08K5/17; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SULFUR VUNCANIZABLE DIENE HYDROCARBON RUBBER COMPOSITION HAVING INCORPORATED THEREIN A SMALL AMOUNT EACH OF A MONOCHLOROALKYLIDENE BISPHENOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYLAMINES AND SALTS THEREOF IN AN AMOUNT AT LEAST 10% BUT NOT MORE THAN 50% OF THE COMBINED WEIGHT WITH THE PHENOL, THE COMBINED WEIGHT BEING SUFFICIENT TO RETARD DEGRADATION.
Claim 2
Dependent Claim
57 words
A SULFUR VUNCANIZABLE DIENE HYDROCARBON RUBBER COMPOSITION HAVING INCORPORATED THEREIN A SMALL AMOUNT EACH OF A MONOCHLOROALKYLIDENE BISPHENOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYLAMINES AND SALTS THEREOF IN AN AMOUNT AT LEAST 10% BUT NOT MORE THAN 50% OF THE COMBINED WEIGHT WITH THE PHENOL, THE COMBINED WEIGHT BEING SUFFICIENT TO RETARD DEGRADATION.
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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |