US2888412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible elastomeric cellular material and method of making same
Assignee: Goodyear Tire and Rubber Co
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Filing: 1955-12-21
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Granted: 1959-05-26
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Expires: 1975-12-21
Abstract
No abstract record available.
Inventors
- 👤 Newell R Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/6547
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE FLEXIBLE ELASTOMERIC CELLULAR PRODUCTS RESULTING FROM THE REACTION OF A MIXTURE CONTAINING (A) APPROXIMATELY 1 MOL OF AN ACTIVE-HYDROGEN-CONTAINING POLYMERIC MATERIAL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 1000 TO 5000, SAID MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF POLYALKYLENE ETHER GLYCOLS, POLYESTERS PREPARED FROM AT LEAST ONE GLYCOL AND AT LEAST ONE DICARBOXYLIC ACID AND POLYESTERAMIDES PREPARED FROM AT LEAST ONE GLYCOL, AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO CARCOXYLIC ACIDS, AMINO ALCOHOLS AND DIAMINES, SAID POLYESTERS AND POLYESTERAMIDES HAVING AN ACID NUMBER NOT GREATER THAN 5, (B) APPROXIMATELY 3 MOLS OF AN ORGANIC DIISOCYANATE, (C) APPROXIMATELY 1 MOL OF WATER, AND (D) FROM 1 TO 10 PARTS BY WEIGHT OF CASTOR OIL PER 100 PARTS BY WEIGHT OF SAID POLYMERIC MATERIAL.
Claim 2
Dependent Claim
136 words
THE FLEXIBLE ELASTOMERIC CELLULAR PRODUCTS RESULTING FROM THE REACTION OF A MIXTURE CONTAINING (A) APPROXIMATELY 1 MOL OF AN ACTIVE-HYDROGEN-CONTAINING POLYMERIC MATERIAL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 1000 TO 5000, SAID MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF POLYALKYLENE ETHER GLYCOLS, POLYESTERS PREPARED FROM AT LEAST ONE GLYCOL AND AT LEAST ONE DICARBOXYLIC ACID AND POLYESTERAMIDES PREPARED FROM AT LEAST ONE GLYCOL, AT LEAST ONE DICARBOXYLIC ACID AND AT LEAST ONE AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO CARCOXYLIC ACIDS, AMINO ALCOHOLS AND DIAMINES, SAID POLYESTERS AND POLYESTERAMIDES HAVING AN ACID NUMBER NOT GREATER THAN 5, (B) APPROXIMATELY 3 MOLS OF AN ORGANIC DIISOCYANATE, (C) APPROXIMATELY 1 MOL OF WATER, AND (D) FROM 1 TO 10 PARTS BY WEIGHT OF CASTOR OIL PER 100 PARTS BY WEIGHT OF SAID POLYMERIC MATERIAL.
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) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |