US2992939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive process and laminates
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1958-05-21
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Granted: 1961-07-18
•
Expires: 1978-05-21
Abstract
No abstract record available.
Inventors
- 👤 William M Larson
- 👤 Harlan M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:53
CPC Classifications
C; C09; C09D; C09D175/00; C09D175/04; C09D175/06; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6633; C08G18/6637; C08G18/6648; C08G18/6651; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7657; C08G18/7685; C09J; C09J125/00; C09J125/02; C09J125/04; C09J125/08; C09J125/12; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/28; Y; Y10; Y10S; Y10S138/00; Y10S138/01; Y10S260/00; Y10S260/37; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31605; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF ADHEREING CAST POLYURETHANE POLYMERS TO METAL WHICH COMPRISES APPLYING TO A METAL SURFACE AN ADHESIVE COATING, DRYING THE ADHESIVE, APPLYING TO THE CATED METAL SURFACE A LIQUID REACTION MIXTURE COMPRISING (A) A POLYESTER PREPARED FROM AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE GLYCOL, SAID POLYESTER HAVING A MOLECULAR WEIGHT OF FROM 1500 TO 2500, A HYDROXYL NUMBER OF FROM 45 TO 75 AND AN ACID NUMBER NOT GREATER THAN 5, (B) ORTHO-DICHLOROBENZIDINE AND (C) 3,3''-DIMETHYL 4,4''-DIPHENYLENE DIISOCYANATE AND CURING SAID REACTION MIXTURE, SAID ADHESIVE COATING CONSISTING OF AN INERT SOLVENT, A RESINOUS COPOLYMER OF 50 TO 80 PERCENT BY WEIGHT OF STYRENE AND FROM 50 TO 20 PERCENT BY WEIGHT OF ACRYLONITRILE AND A POLYISOCYANATE MIXTURE DEFINED BY THE FORMULA:
Claim 2
Independent Claim
125 words
THE METHOD OF ADHEREING CAST POLYURETHANE POLYMERS TO METAL WHICH COMPRISES APPLYING TO A METAL SURFACE AN ADHESIVE COATING, DRYING THE ADHESIVE, APPLYING TO THE CATED METAL SURFACE A LIQUID REACTION MIXTURE COMPRISING (A) A POLYESTER PREPARED FROM AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE GLYCOL, SAID POLYESTER HAVING A MOLECULAR WEIGHT OF FROM 1500 TO 2500, A HYDROXYL NUMBER OF FROM 45 TO 75 AND AN ACID NUMBER NOT GREATER THAN 5, (B) ORTHO-DICHLOROBENZIDINE AND (C) 3,3''-DIMETHYL 4,4''-DIPHENYLENE DIISOCYANATE AND CURING SAID REACTION MIXTURE, SAID ADHESIVE COATING CONSISTING OF AN INERT SOLVENT, A RESINOUS COPOLYMER OF 50 TO 80 PERCENT BY WEIGHT OF STYRENE AND FROM 50 TO 20 PERCENT BY WEIGHT OF ACRYLONITRILE AND A POLYISOCYANATE MIXTURE DEFINED BY THE FORMULA:
References Cited (Backward Citations)
US2356005A
Cited
US2503209A
Cited
US2647884A
Cited
US2625532A
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US2753276A
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US2850424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |