US2570632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improving the cut growth resistance of butadiene-vinyl pyridine rubbery copolymers
Assignee: Uniroyal Inc
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Filing: 1948-04-01
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Granted: 1951-10-09
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Expires: 1968-04-01
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/15; C08K5/151; C08K5/1535; C08K5/1539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AS A NEW COMPOSITION OF MATTER, CURED BUTADIENE-VINYL PYRIDINE RUBBERY COPOLYMER THE CUT GROWTH RESISTANCE OF WHICH IS SUBSTANTIALLY ENHANCED BY CURING IN THE PRESENCE OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF RING-CARBOXYLIC AROMATIC MONCARBOXYLIC AND POLYCARBOXYLIC ACIDS AND ANHYDRIDES OF SUCH POLYCARBOXYLIC ACIDS, IN AN AMOUNT RANGING FROM 0.1 TO 6% BY WEIGHT BASED ON THE WEIGHT OF SAID RUBBERY COPOLYMER.
Claim 2
Dependent Claim
64 words
AS A NEW COMPOSITION OF MATTER, CURED BUTADIENE-VINYL PYRIDINE RUBBERY COPOLYMER THE CUT GROWTH RESISTANCE OF WHICH IS SUBSTANTIALLY ENHANCED BY CURING IN THE PRESENCE OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF RING-CARBOXYLIC AROMATIC MONCARBOXYLIC AND POLYCARBOXYLIC ACIDS AND ANHYDRIDES OF SUCH POLYCARBOXYLIC ACIDS, IN AN AMOUNT RANGING FROM 0.1 TO 6% BY WEIGHT BASED ON THE WEIGHT OF SAID RUBBERY COPOLYMER.
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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |