US2504065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated rubber powder and method of preparation
Assignee: Wingfoot Corp
•
Filing: 1946-02-25
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Granted: 1950-04-11
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 La Verne E Cheyney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:33
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/12; C08C19/14; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPOSITION COMPRISING CHLORINATED RUBBER HAVING A MELTING POINT BETWEEN 45*C. AND 65*C. ADMIXED WITH AN ORGANIC VOLATILE SOLVENT, 1 TO 4 VOLUMES OF WATER PER VOLUME OF CHLORINATED RUBBER SOLUTION, AND 1 TO 5% OF A PHOLIPIDE SELECTED FROM THE GROUP CONSISTING OF LECITHIN AND CEPHALIN BASED ON THE WEIGHT OF THE CHLORIZATED RUBBER, THE COMPOSITION HAVING A PH BELOW 6, THE CHLORINATED RUBBER BEING RECOVERABLE FROM SOLUTION IN POWDER FORM BY REMOVAL OF THE WATER AND THE ORGANIC VOLATILE SOLVENT FROM THE COMPOSITION.
Claim 2
Dependent Claim
85 words
A COMPOSITION COMPRISING CHLORINATED RUBBER HAVING A MELTING POINT BETWEEN 45*C. AND 65*C. ADMIXED WITH AN ORGANIC VOLATILE SOLVENT, 1 TO 4 VOLUMES OF WATER PER VOLUME OF CHLORINATED RUBBER SOLUTION, AND 1 TO 5% OF A PHOLIPIDE SELECTED FROM THE GROUP CONSISTING OF LECITHIN AND CEPHALIN BASED ON THE WEIGHT OF THE CHLORIZATED RUBBER, THE COMPOSITION HAVING A PH BELOW 6, THE CHLORINATED RUBBER BEING RECOVERABLE FROM SOLUTION IN POWDER FORM BY REMOVAL OF THE WATER AND THE ORGANIC VOLATILE SOLVENT FROM THE COMPOSITION.
References Cited (Backward Citations)
US1946333A
Cited
US2094408A
Cited
GB414072A
Cited
GB414862A
Cited
GB501033A
Cited
US2389958A
Cited
US2374681A
Cited
US2379792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |