US3203913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured composition prepared from mixture of polypropylene glycol ether, diisocyanate, aromatic diamine and cellulosic filler
Assignee: Goodyear Tire and Rubber Co
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Filing: 1962-04-02
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Granted: 1965-08-31
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Finelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:49
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4825; A; A43; A43B; A43B13/00; A43B13/02; A43B13/04; C08G18/08; C08G18/10; C08L; C08L75/00; C08L75/04; C08L75/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CURED POLYURETHANE COMPOSITION SUITABLE FOR THE WEARING SURFACE OF A SHOE RESULTING FROM THE REACTION OF A FLUID MIXTURE COMPRISING (1) A POLYPROPYLENE ETHER GLYCOL CONTAINING LESS THAN 10 MOLE PERCENT OF ETHYLENE ETHER AND HAVING A MOLECULAR WEIGHT OF 800 TO 1600; (2) AN ORGANO DIISOCYANATE SELECTED FROM THE CLASS CONSISTING OF DIPHENYL METHANE-4,4''-DIISOCYANATE AND THE TOLYLENE DIISOCYAMATES; (3) A CHLORINATED AROMATIC DIAMINE; (4) A CELLULOSIC FLOUR SELECTED FROM THE CLASS CONSISTING OF WOOD FLOURS AND NUT SHELL FLOURS; (5) SAID DIAMINE TO EXCESS DIISOCYANATE RATIO BEING FROM 0.5 TO 1.0; (6) SAID DIISOCYANATE BEING PRESENT IN 1.7 TO 2.5 MOLS PER MOL OF POLYPROPYLENE ETHER GLYCOL; AND (7) SAID CELLULOSIC FLOURS BEING PRESENT IN AN AMOUNT RANGING FROM 60 TO 100 PARTS BY WEIGHT PER HUNDRED PARTS OF POLYPROYLENE ETHER GLYCOL AND BEING CHARACTERIZED BY THE ABILITY TO FORM A POURABLE MIXTURE WHEN MIXED WITH SAID POLYPROPYLENE ETHER GLYCOL IN THE ABOVE AMOUNTS.
Claim 2
Dependent Claim
156 words
A CURED POLYURETHANE COMPOSITION SUITABLE FOR THE WEARING SURFACE OF A SHOE RESULTING FROM THE REACTION OF A FLUID MIXTURE COMPRISING (1) A POLYPROPYLENE ETHER GLYCOL CONTAINING LESS THAN 10 MOLE PERCENT OF ETHYLENE ETHER AND HAVING A MOLECULAR WEIGHT OF 800 TO 1600; (2) AN ORGANO DIISOCYANATE SELECTED FROM THE CLASS CONSISTING OF DIPHENYL METHANE-4,4''-DIISOCYANATE AND THE TOLYLENE DIISOCYAMATES; (3) A CHLORINATED AROMATIC DIAMINE; (4) A CELLULOSIC FLOUR SELECTED FROM THE CLASS CONSISTING OF WOOD FLOURS AND NUT SHELL FLOURS; (5) SAID DIAMINE TO EXCESS DIISOCYANATE RATIO BEING FROM 0.5 TO 1.0; (6) SAID DIISOCYANATE BEING PRESENT IN 1.7 TO 2.5 MOLS PER MOL OF POLYPROPYLENE ETHER GLYCOL; AND (7) SAID CELLULOSIC FLOURS BEING PRESENT IN AN AMOUNT RANGING FROM 60 TO 100 PARTS BY WEIGHT PER HUNDRED PARTS OF POLYPROYLENE ETHER GLYCOL AND BEING CHARACTERIZED BY THE ABILITY TO FORM A POURABLE MIXTURE WHEN MIXED WITH SAID POLYPROPYLENE ETHER GLYCOL IN THE ABOVE AMOUNTS.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |