US3096301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of butyl rubber with
Assignee: —
•
Filing: —
•
Granted: 1963-07-02
•
Expires: 1980-07-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/136; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A METHOD WHICH COMPRISES HEAT TREATING AN ADMIXTURE OF A RUBBERY POLYMER OF 70 TO 99.5 PARTS BY WEIGHT OF A C4-C7 ISOOLEFIN AND 30 TO 0.5 PARTS BY WEIGHT OF A C4-C10 CONJUGATED DIOLEFIN, A HALOGENATED RUBBERY POLYMER OF THE AFOREMENTIONED TYPE IN WHICH THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, AND A POLY (HALOMETHYL) PHENOL AT A TEMPERATURE OF BETWEEN 250 AND 350*F. FOR A PERIOD OF TIME, IN HOURS, EQUAL TO K DIVIDED BY T MINUS 200, WHEREIN T IS THE HEATING TEMPERATURE IN DEGREES FAHRENHEIT AND K IS BETWEEN 50 AND 600, COOLING THE HEAT TREATED ADMIXTURE TO A TEMPERATURE BELOW 250*F., FOLLWED BY ADMIXING CURING AGENTS WITH SAID ADMIXTURE AND CURING THE SO TREATED ADMIXTURE TO PRODUCE A VULCANIZATE HAVING A RELATIVE DAMPING BELOW 34.4%.
Claim 2
Independent Claim
135 words
A METHOD WHICH COMPRISES HEAT TREATING AN ADMIXTURE OF A RUBBERY POLYMER OF 70 TO 99.5 PARTS BY WEIGHT OF A C4-C7 ISOOLEFIN AND 30 TO 0.5 PARTS BY WEIGHT OF A C4-C10 CONJUGATED DIOLEFIN, A HALOGENATED RUBBERY POLYMER OF THE AFOREMENTIONED TYPE IN WHICH THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, AND A POLY (HALOMETHYL) PHENOL AT A TEMPERATURE OF BETWEEN 250 AND 350*F. FOR A PERIOD OF TIME, IN HOURS, EQUAL TO K DIVIDED BY T MINUS 200, WHEREIN T IS THE HEATING TEMPERATURE IN DEGREES FAHRENHEIT AND K IS BETWEEN 50 AND 600, COOLING THE HEAT TREATED ADMIXTURE TO A TEMPERATURE BELOW 250*F., FOLLWED BY ADMIXING CURING AGENTS WITH SAID ADMIXTURE AND CURING THE SO TREATED ADMIXTURE TO PRODUCE A VULCANIZATE HAVING A RELATIVE DAMPING BELOW 34.4%.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |