Patent US2524977A successfully refreshed from Google Patents.
US2524977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizing with quinone oximes
Assignee: Uniroyal Inc
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Filing: 1947-02-12
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Granted: 1950-10-10
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Expires: 1967-02-12
Abstract
No abstract record available.
Inventors
- 👤 Frederic L Holbrook
- 👤 Irving E Cutting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C08K5/33; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN UNCURED RUBBER COMPOSITION SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, RUBBERY COPOLYMERS OF BUTADIENE-1,3 AND STYRENE, RUBBERY COPOLYMERS OF ISOPRENE AND ISOBUTYLENE, AND RUBBERY COPOLYMERS OF BUTADIENE-1,3 AND ISOBUTYLENE, COMPRISING A CARBON BLACK AS A REINFORCING AGENT, A QUINONE OXIMINO COMPOUND AS A CURING AGENT, AND ADDITIONALLY AN AROMATIC POLYAMINE HAVING THE FORMULA
Claim 2
Dependent Claim
55 words
AN UNCURED RUBBER COMPOSITION SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, RUBBERY COPOLYMERS OF BUTADIENE-1,3 AND STYRENE, RUBBERY COPOLYMERS OF ISOPRENE AND ISOBUTYLENE, AND RUBBERY COPOLYMERS OF BUTADIENE-1,3 AND ISOBUTYLENE, COMPRISING A CARBON BLACK AS A REINFORCING AGENT, A QUINONE OXIMINO COMPOUND AS A CURING AGENT, AND ADDITIONALLY AN AROMATIC POLYAMINE HAVING THE FORMULA
References Cited (Backward Citations)
US2170191A
Cited
US2393321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |