Patent US3378688A successfully refreshed from Google Patents.
US2583387A
Expired / Lapsed
US
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Rubbery adhesive composition and method of making and using the same
Assignee: Goodrich Corp
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Filing: 1948-09-18
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Granted: 1952-01-22
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Expires: 1968-09-18
Abstract
No abstract record available.
Inventors
- 👤 Richard T Morrissey
- 👤 Richard A Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10S; Y10S152/00; Y10S152/16; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
THE METHOD OF ADHERING TOGETHER A BODY OF A COMPOSITION COMPRISING A RUBBERY COPOLYMER OF FROM 80 TO 99 1/2 PARTS BY WEIGHT OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND FROM 1/2 TO 20 PARTS BY WEIGHT OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, AND A BODY OF A COMPOSITION COMPRISING A DIFFERENT RUBBERY POLYMER OF AN OPEN-CHAIN CONJUGATED DIOLEFIN, WHICH METHOD COMPRISES INTERPOSING BETWEEN SAID BODIES A LAYER OF RUBBERY COMPOSITION COMPRISING A MIXTURE OF FROM 10 TO 30 PARTS BY WEIGHT OF SAID RUBBERY DIOLEFIN POLYMER IN AN UNVULCANIZED CONDITION. 70 TO 90 PARTS BY WEIGHT OF SAID RUBBERY COPOLYMER WHICH HAS BEEN VULCANIZED AND PARTIALLY REFINED BY MECHANICAL MASTIFICATION TO A CONDITION IN WHICH THE COPOLYMER BEGINS TO COHERE INTO LOOSE AGGLOMERATES BUT POSSESSES INSUFFICIENT PLASTICITY TO FORM A CONTINUOUS SHEET, AND A VULCANIZING AGENT, AND HEATING SAID BODIES IN CONTACT WITH SAID LAYER TO VULCANIZE THE ASSEMBLY.
Claim 2
Independent Claim
160 words
THE METHOD OF ADHERING TOGETHER A BODY OF A COMPOSITION COMPRISING A RUBBERY COPOLYMER OF FROM 80 TO 99 1/2 PARTS BY WEIGHT OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND FROM 1/2 TO 20 PARTS BY WEIGHT OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS, AND A BODY OF A COMPOSITION COMPRISING A DIFFERENT RUBBERY POLYMER OF AN OPEN-CHAIN CONJUGATED DIOLEFIN, WHICH METHOD COMPRISES INTERPOSING BETWEEN SAID BODIES A LAYER OF RUBBERY COMPOSITION COMPRISING A MIXTURE OF FROM 10 TO 30 PARTS BY WEIGHT OF SAID RUBBERY DIOLEFIN POLYMER IN AN UNVULCANIZED CONDITION. 70 TO 90 PARTS BY WEIGHT OF SAID RUBBERY COPOLYMER WHICH HAS BEEN VULCANIZED AND PARTIALLY REFINED BY MECHANICAL MASTIFICATION TO A CONDITION IN WHICH THE COPOLYMER BEGINS TO COHERE INTO LOOSE AGGLOMERATES BUT POSSESSES INSUFFICIENT PLASTICITY TO FORM A CONTINUOUS SHEET, AND A VULCANIZING AGENT, AND HEATING SAID BODIES IN CONTACT WITH SAID LAYER TO VULCANIZE THE ASSEMBLY.
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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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |