Patent US3337481A successfully refreshed from Google Patents.
US3337481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
General purpose shoe cement
Assignee: Interchemical Corp
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Filing: 1965-12-16
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Granted: 1967-08-22
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 James D Singelyn
- 👤 Thomas E Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:19
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6633; C08G18/6637; C08G18/664; C09; C09J; C09J175/00; C09J175/04; C09J175/06; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A CEMENTING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT (A) 12.5 TO 21.5 PARTS OF POLYESTERURETHANE, (B) 2.5 TO 5.0 PARTS OF CHLORINATED NATURAL RUBBER, (C) 1.5 TO 3.3 PARTS OF A COPOLYMER OF 85 TO 98% VINYL CHLORIDE AND 2 TO 15% VINYL ACETATE, (D) 4.5 TO 12.0 PARTS OF AN ALIPHATIC KETONE/FORMALDEHYDE RESIN, AND (E) 50 TO 75 PARTS OF A SOLVENT FOR SAID POLYESTERURETHANE, SAID POLYESTERURETHANE BEING A TOUGH, ESSENTIALLY LINEAR ELASTOMER, THERMOPLASTIC, EXTRUDABLE, MOLDABLE, AND BECOMES MOLTEN AT ELEVATED TEMPERATURES, IS SUBSTANTIALLY FREE OF CROSS LINKS, SUBSTANTIALLY SOLUBLE IN DIMETHYL FORMAMIDE, AND COMPRISES THE REACTION PRODUCT OBTAINED BY HEATING A MIXTURE COMPRISING, AS ESSENTIAL POLYESTERURETHANEFORMING INGREDIENTS (A) ONE MOLE OF AN ESSENTIALLY LINEAR HYDROXYLTERMINATED POLYESTER OF A SATURATED ALIPHATIC GLYCOL HAVING FROM 4 TO 10 CARBON ATOMS AND HAVING HYDROXYL GROUPS ON ITS TERMINAL CARBON ATOMS AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID OF THE FORMULA
Claim 2
Dependent Claim
153 words
A CEMENTING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT (A) 12.5 TO 21.5 PARTS OF POLYESTERURETHANE, (B) 2.5 TO 5.0 PARTS OF CHLORINATED NATURAL RUBBER, (C) 1.5 TO 3.3 PARTS OF A COPOLYMER OF 85 TO 98% VINYL CHLORIDE AND 2 TO 15% VINYL ACETATE, (D) 4.5 TO 12.0 PARTS OF AN ALIPHATIC KETONE/FORMALDEHYDE RESIN, AND (E) 50 TO 75 PARTS OF A SOLVENT FOR SAID POLYESTERURETHANE, SAID POLYESTERURETHANE BEING A TOUGH, ESSENTIALLY LINEAR ELASTOMER, THERMOPLASTIC, EXTRUDABLE, MOLDABLE, AND BECOMES MOLTEN AT ELEVATED TEMPERATURES, IS SUBSTANTIALLY FREE OF CROSS LINKS, SUBSTANTIALLY SOLUBLE IN DIMETHYL FORMAMIDE, AND COMPRISES THE REACTION PRODUCT OBTAINED BY HEATING A MIXTURE COMPRISING, AS ESSENTIAL POLYESTERURETHANEFORMING INGREDIENTS (A) ONE MOLE OF AN ESSENTIALLY LINEAR HYDROXYLTERMINATED POLYESTER OF A SATURATED ALIPHATIC GLYCOL HAVING FROM 4 TO 10 CARBON ATOMS AND HAVING HYDROXYL GROUPS ON ITS TERMINAL CARBON ATOMS AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID OF THE FORMULA
References Cited (Backward Citations)
US2685572A
Cited
US3063958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |