US3361698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition useful as sealant for pneumatic tires
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1963-09-09
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Granted: 1968-01-02
•
Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Henry A Pace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:30
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/16; B29C73/163; C; C08; C08L; C08L75/00; C08L75/04; C08L75/06; B29L; B29L2030/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10666; Y10T152/10675; Y10T152/10684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A COMPOSITION OF MATTER HAVING A VISCOSITY OF 1000 TO 10,000 CENTIPOIES AT 25*C., CONSISTING ESSENTIALLY OF A SOLVENT DISPERSION OF AN INERT MINERAL POWDER IN A SOLUTION OF A SOLVENT AND A POLYUREAURETHANE ELASTOMER CAPABLE OF BEING DISSOLVED BY DIMETHYL FORMAMIDE TO GIVE A SOLUTION AT ABOUT 100*C., SAID INERT MINERAL POWDER HAVING A U.S. STANDARD SCREEN SIZE LESS THAN 100 MESH, SAID COMPOSITION CONTAINING ABOUT .5 TO ABOUT 10 PARTS OF A MINERAL POWDER FOR EACH HUNDRED PARTS OF POLYUREAURETHANE AND ABOUT .5 TO 10 PARTS OF A POWDERED RUBBER FOR EACH HUNDRED PARTS OF POLYUREAURETHANE, SAID POWDERED RUBBER BEING A FREE-FLOWING ADMIXTURE OF AN INERT MINERAL FILLER WITH SUFFICIENT RUBBER TO GIVE ABOUT 20 TO 80 PERCENT BY WEIGHT THEREOF DEPOSITED ON THE INERT MINERAL FILLER, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF DIMETHYLSULFIDE, DIMETHYLFORMAMIDE, DIMETHYLACETAMIDE AND MIXTURES OF DIMETHYLFORMAMIDE AND DIMETHYLACETAMIDE WITH DIMETHYLSULFOXIDE.
Claim 2
Dependent Claim
149 words
A COMPOSITION OF MATTER HAVING A VISCOSITY OF 1000 TO 10,000 CENTIPOIES AT 25*C., CONSISTING ESSENTIALLY OF A SOLVENT DISPERSION OF AN INERT MINERAL POWDER IN A SOLUTION OF A SOLVENT AND A POLYUREAURETHANE ELASTOMER CAPABLE OF BEING DISSOLVED BY DIMETHYL FORMAMIDE TO GIVE A SOLUTION AT ABOUT 100*C., SAID INERT MINERAL POWDER HAVING A U.S. STANDARD SCREEN SIZE LESS THAN 100 MESH, SAID COMPOSITION CONTAINING ABOUT .5 TO ABOUT 10 PARTS OF A MINERAL POWDER FOR EACH HUNDRED PARTS OF POLYUREAURETHANE AND ABOUT .5 TO 10 PARTS OF A POWDERED RUBBER FOR EACH HUNDRED PARTS OF POLYUREAURETHANE, SAID POWDERED RUBBER BEING A FREE-FLOWING ADMIXTURE OF AN INERT MINERAL FILLER WITH SUFFICIENT RUBBER TO GIVE ABOUT 20 TO 80 PERCENT BY WEIGHT THEREOF DEPOSITED ON THE INERT MINERAL FILLER, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF DIMETHYLSULFIDE, DIMETHYLFORMAMIDE, DIMETHYLACETAMIDE AND MIXTURES OF DIMETHYLFORMAMIDE AND DIMETHYLACETAMIDE WITH DIMETHYLSULFOXIDE.
References Cited (Backward Citations)
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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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |