US2772245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient cellular resin products
Assignee: Lockheed Martin Corp
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Filing: 1952-04-26
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Granted: 1956-11-27
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Expires: 1972-04-26
Abstract
No abstract record available.
Inventors
- 👤 Simon Eli
- 👤 Frank W Thomas
- 👤 Jr Welton R Burney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:22
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/225; C08G18/28; C08G18/30; C08G18/36; C08G2110/00; C08G2110/0008; C08G2110/0083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE CELLULAR MATERIAL WHICH IS THE PRODUCT OF REACTION OF A FOAMING COMPOSITION COMPRISING ON A PERCENTAGE BY WEIGHT BASIS FROM 10 TO 60% CASTOR OIL; FROM 10 TO 60% OF A GLYCERYL ESTER OF FATTY ACIDS SELECTED FROM THE GROUP CONSISTING OF GYLCERYL MONO FATTY ACID ESTERS AND GYLCERYL DI FATTY ACID ESTERS; FROM 0.25 TO 15% OF AN ALKALI METAL SALT OF MONOCARBOCYLIC FATTY ACIDS SERVING AS A CATALYST AND SOLUBLE IN SAID ESTER AND WHICH WHEN IN A 5% BY WEIGHT AQUEOUS SOLUTION HAS A PH GREATER THAN 8, THE FATTY ACIDS OF BOTH SAID ESTER AND SAID CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF RICINOLEIC ACID, OLEIC ACID, LURIC ACID, STEARIC ACID, LINOLEIC ACID AND CAPRYLIC ACID; FROM 20 TO 60% META-TOLUENE DIISOCYANATE; AND FROM 0.1 TO 5% WATER.
Claim 2
Dependent Claim
134 words
THE CELLULAR MATERIAL WHICH IS THE PRODUCT OF REACTION OF A FOAMING COMPOSITION COMPRISING ON A PERCENTAGE BY WEIGHT BASIS FROM 10 TO 60% CASTOR OIL; FROM 10 TO 60% OF A GLYCERYL ESTER OF FATTY ACIDS SELECTED FROM THE GROUP CONSISTING OF GYLCERYL MONO FATTY ACID ESTERS AND GYLCERYL DI FATTY ACID ESTERS; FROM 0.25 TO 15% OF AN ALKALI METAL SALT OF MONOCARBOCYLIC FATTY ACIDS SERVING AS A CATALYST AND SOLUBLE IN SAID ESTER AND WHICH WHEN IN A 5% BY WEIGHT AQUEOUS SOLUTION HAS A PH GREATER THAN 8, THE FATTY ACIDS OF BOTH SAID ESTER AND SAID CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF RICINOLEIC ACID, OLEIC ACID, LURIC ACID, STEARIC ACID, LINOLEIC ACID AND CAPRYLIC ACID; FROM 20 TO 60% META-TOLUENE DIISOCYANATE; AND FROM 0.1 TO 5% WATER.
References Cited (Backward Citations)
US2602783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |