US3142656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimethylol-cresol modified polysulphide polymer sealant
Assignee: United Shoe Machinery Corp
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Filing: 1959-12-18
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Granted: 1964-07-28
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Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Carpenter Austin Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
C; C08; C08L; C08L81/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COMPOSITION REACTIVE TO FORM A HAT AND PETROLEUM SOLVENT-RESISTANT, RUBBERY BODY STRONGLY ADHERENT TO SURFACES TO WHICH IT IS APPLIED COMPRISING A LOW MOLECULAR WEIGHT LIQUID ALKYLENE POLYSULPHIDE POLYMER CAPABLE OF BEING CURED TO FORM AN ELASTIMER, A SMALL AMOUNT OF A MEMBER OF THE GROUP CONSISTING OF AR-ALKYL SUBSTITUTED DIMETHYOL PHENOLS IN WHICH THE ALKYL GROUP HAS FROM 1 TO 8 CARBON ATOMS AND ALKALI METAL SALTS THEREOF, AND LEAD OXIDE AS A CURING AGENT FOR THE POLYSULPHIDE POLYMER.
Claim 2
Dependent Claim
81 words
A COMPOSITION REACTIVE TO FORM A HAT AND PETROLEUM SOLVENT-RESISTANT, RUBBERY BODY STRONGLY ADHERENT TO SURFACES TO WHICH IT IS APPLIED COMPRISING A LOW MOLECULAR WEIGHT LIQUID ALKYLENE POLYSULPHIDE POLYMER CAPABLE OF BEING CURED TO FORM AN ELASTIMER, A SMALL AMOUNT OF A MEMBER OF THE GROUP CONSISTING OF AR-ALKYL SUBSTITUTED DIMETHYOL PHENOLS IN WHICH THE ALKYL GROUP HAS FROM 1 TO 8 CARBON ATOMS AND ALKALI METAL SALTS THEREOF, AND LEAD OXIDE AS A CURING AGENT FOR THE POLYSULPHIDE POLYMER.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |