US2811493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric cellular products obtained from alkyd resin-diisocyanate mixture
Assignee: Lockheed Martin Corp
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Filing: 1953-05-11
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Granted: 1957-10-29
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Simon Eli
- 👤 Frank W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:59
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/4009; C08G18/4018; C08G18/42; C08J2375/00; C08J2375/04; C08J2375/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
THE YIELDING RESILIENT CELLULAR WHICH IS THE PRODUCT OF REACTION OF A FOAMING COMPOSITION COMRPISING ON AN APPROXIMATE PART BY WEIGHT BASIS 100 PARTS OF AN ALKYD RESIN HAVING AN ACID NUMBER OF FROM 10 TO 50 AND HAVING A FUNCTIONALITY RATIO OF FROM 3 TO 11/2 OH GROUPS TO 1 COOH GROUP, FROM 20 TO 130 PARTS OF A POLYGLYCOL REACTIVE PLASTICIZER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 200 TO 2000 SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL AND POLYPROPYLENE GLYCOL, FROM 2 TO 20 PARTS OF AN INACTIVE ESTER PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYL LEVULINATE, METHYL ABIETATE, DIHYDROMETHYL ABIETATE, DIOCTYL SUCCINATE, DI (2ETHYL HEXYL) ADIPATE, DIBUTYL PHTHALATE, TRI (2-ETHYL HEXYL) PHOSPHATE, TRIETHYLENE GLYCOL DI (2-ETHYL BUTYRATE). TRIETHYLENE GLYCOL DI (2-ETHYL HEXOATE) AND DI (N-HEXYL PHTHALATE), AND FROM 30 TO 100 PARTS META-TOLUENE DIISOCYANATE CONTAINING FROM A FRACTION OF ONE PART TO 15 PARTS OF A HIGH MOLECULAR WEIGHT THERMOPLASTIC RESIN ADDITIVE SOLUBLE IN THE META TOLUENE DIISOCYANATE AND SELECTED FROM THE GROUP CONSISTING OF EHTYL CELLULOSE, CHLORINATED RUBBER, BENZYL CELLULOSE, NATURAL RUBBER, VINYL CHLORIDE-VINYL ACETATE COPOLYMERS, POLYVINYL CHLORIDE, POLYVINYL ACETATE, POLYSTYRENE AND POLYDICHLOROSTYRENE.
Claim 2
Dependent Claim
190 words
THE YIELDING RESILIENT CELLULAR WHICH IS THE PRODUCT OF REACTION OF A FOAMING COMPOSITION COMRPISING ON AN APPROXIMATE PART BY WEIGHT BASIS 100 PARTS OF AN ALKYD RESIN HAVING AN ACID NUMBER OF FROM 10 TO 50 AND HAVING A FUNCTIONALITY RATIO OF FROM 3 TO 11/2 OH GROUPS TO 1 COOH GROUP, FROM 20 TO 130 PARTS OF A POLYGLYCOL REACTIVE PLASTICIZER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 200 TO 2000 SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOL AND POLYPROPYLENE GLYCOL, FROM 2 TO 20 PARTS OF AN INACTIVE ESTER PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYL LEVULINATE, METHYL ABIETATE, DIHYDROMETHYL ABIETATE, DIOCTYL SUCCINATE, DI (2ETHYL HEXYL) ADIPATE, DIBUTYL PHTHALATE, TRI (2-ETHYL HEXYL) PHOSPHATE, TRIETHYLENE GLYCOL DI (2-ETHYL BUTYRATE). TRIETHYLENE GLYCOL DI (2-ETHYL HEXOATE) AND DI (N-HEXYL PHTHALATE), AND FROM 30 TO 100 PARTS META-TOLUENE DIISOCYANATE CONTAINING FROM A FRACTION OF ONE PART TO 15 PARTS OF A HIGH MOLECULAR WEIGHT THERMOPLASTIC RESIN ADDITIVE SOLUBLE IN THE META TOLUENE DIISOCYANATE AND SELECTED FROM THE GROUP CONSISTING OF EHTYL CELLULOSE, CHLORINATED RUBBER, BENZYL CELLULOSE, NATURAL RUBBER, VINYL CHLORIDE-VINYL ACETATE COPOLYMERS, POLYVINYL CHLORIDE, POLYVINYL ACETATE, POLYSTYRENE AND POLYDICHLOROSTYRENE.
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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |