Patent US3258448A successfully refreshed from Google Patents.
US3258448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-scorching curable carboxylic polymer compositions
Assignee: Goodrich Corp
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Filing: 1961-05-22
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Granted: 1966-06-28
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Victor L Hallenbeck
- 👤 Craig David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:41
CPC Classifications
C; C08; C08L; C08L13/00; C08C; C08C19/00; C08C19/30; C08C19/34; C08C19/36; C08K; C08K9/00; C08K9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PLASTIC RUBBERY COMPOSITION CURABLE TO THE ELASTIC RUBBERY CONDITION BY HEATING TO CURING TEMPERATURES OF THE ORDER OF ABOUT 310*F. AND HAVING THE ABILITY TO BE STORED AND PROCESSED AT NORMAL TEMPERATURES WITHOUT PREMATURE CURING, SAID COMPOSITION COMPRISING A PLASTIC RUBBERY POLYMER OF A BUTADIENE-1,3 HYDROCARBON CONTAINING FROM 0.001 TO 0.30 CHEMICAL EQUIVALENTS OF CARBOXYL GROUPS PER 100 PARTS OF POLYMER IN WHICH THERE IS ADMIXED, AS CURING THEREFOR, FROM 1 TO 30% BY WEIGHT BASED ON SAID POLYMER OF PARTICLES CONSISTING ESSENTIALLY OF A BASE OF POLYVALENT METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL OXIDES, HYDRATED OXIDES AND CARBOXYLIC ACID SALTS, COMPLETELY COATED WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND MERCAPTIDES OF THE SAME POLYVALENT METAL.
Claim 2
Dependent Claim
125 words
A PLASTIC RUBBERY COMPOSITION CURABLE TO THE ELASTIC RUBBERY CONDITION BY HEATING TO CURING TEMPERATURES OF THE ORDER OF ABOUT 310*F. AND HAVING THE ABILITY TO BE STORED AND PROCESSED AT NORMAL TEMPERATURES WITHOUT PREMATURE CURING, SAID COMPOSITION COMPRISING A PLASTIC RUBBERY POLYMER OF A BUTADIENE-1,3 HYDROCARBON CONTAINING FROM 0.001 TO 0.30 CHEMICAL EQUIVALENTS OF CARBOXYL GROUPS PER 100 PARTS OF POLYMER IN WHICH THERE IS ADMIXED, AS CURING THEREFOR, FROM 1 TO 30% BY WEIGHT BASED ON SAID POLYMER OF PARTICLES CONSISTING ESSENTIALLY OF A BASE OF POLYVALENT METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL OXIDES, HYDRATED OXIDES AND CARBOXYLIC ACID SALTS, COMPLETELY COATED WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND MERCAPTIDES OF THE SAME POLYVALENT METAL.
References Cited (Backward Citations)
US1979379A
Cited
US2251869A
Cited
GB583471A
Cited
US2724707A
Cited
US2727012A
Cited
US2849426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |