Patent US3044976A successfully refreshed from Google Patents.
US3044976A
Expired / Lapsed
US
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Process for making rubber-base adhesive containing preformed phenolic resin-alkalineearth metal salt
Assignee: Armstrong World Industries Inc
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Filing: 1954-11-15
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Granted: 1962-07-17
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 John G Brooks
- 👤 George W Koehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:42
CPC Classifications
C; C09; C09J; C09J121/00; C08; C08G; C08G8/00; C08G8/28; C09J161/00; C09J161/04; C09J161/06; C09J161/14; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; C08L2666/14; C08L2666/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE PROCESS OF MAKING A SOLVENT TYPE PLASTIC ADHESIVE COMPOSITION HAVING A SOLIDS CONTENT OF FROM ABOUT 15% TO ABOUT 45% BY WEIGHT, WHICH PROCESS COMPRISES REACTING A BUTYL PHENOL-FORMALDEHYDE RESIN REACTABLE WITH AN ALKALINE EARTH METAL OXIDE WITH SUFFICIENT ALKALINE EARTH METAL OXIDE TO FORM A RESIN-ALKALINE EARTH METAL SALT, SAID SALT BEING CHARACTERIZED BY HAVING TEMPERATURE PROPERTIES FALLING WITHIN THE RANGE OF A MELTING POINT OF ABOUT 25*F. ABOVE THE MELTING POINT OF SAID RESIN TO THE DECOMPOSITION POINT OF SAID RESIN SALT, BLENDING SAID SALT WITH A COMPATIBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBERS, BUTADIENE-ACRYLONITRILE COPOLYMER RUBBERS, BUTADIENE-STYRENE COPOLYMER RUBBERS, POLYCHLOROPRENE RUBBERS, AND MIXTURES THEREOF, AND ADJUSTING THE SOLIDS CONTENT OF THE COMPOSITION TO FORM ABOUT 15% TO ABOUT 45% BY WEIGHT.
Claim 2
Dependent Claim
128 words
THE PROCESS OF MAKING A SOLVENT TYPE PLASTIC ADHESIVE COMPOSITION HAVING A SOLIDS CONTENT OF FROM ABOUT 15% TO ABOUT 45% BY WEIGHT, WHICH PROCESS COMPRISES REACTING A BUTYL PHENOL-FORMALDEHYDE RESIN REACTABLE WITH AN ALKALINE EARTH METAL OXIDE WITH SUFFICIENT ALKALINE EARTH METAL OXIDE TO FORM A RESIN-ALKALINE EARTH METAL SALT, SAID SALT BEING CHARACTERIZED BY HAVING TEMPERATURE PROPERTIES FALLING WITHIN THE RANGE OF A MELTING POINT OF ABOUT 25*F. ABOVE THE MELTING POINT OF SAID RESIN TO THE DECOMPOSITION POINT OF SAID RESIN SALT, BLENDING SAID SALT WITH A COMPATIBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBERS, BUTADIENE-ACRYLONITRILE COPOLYMER RUBBERS, BUTADIENE-STYRENE COPOLYMER RUBBERS, POLYCHLOROPRENE RUBBERS, AND MIXTURES THEREOF, AND ADJUSTING THE SOLIDS CONTENT OF THE COMPOSITION TO FORM ABOUT 15% TO ABOUT 45% BY WEIGHT.
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |