US3077464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a polyisocyanate reaction product and a polysulfide polymer
Assignee: Lockheed Martin Corp
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Filing: 1960-01-14
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Granted: 1963-02-12
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Simon Eli
- 👤 Frank W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:21
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/64; C08G18/6453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE RESINOUS MATERIAL WHICH IS THE PRODUCT OF REACTION ON AN APPROXIMATE MOL PERCENTAGE BASIS OF, FROM 2.5 TO 23.5% OF A DIHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF 1,4 BUTANE DIOL, 2 METHYL BUTANE DIOL, 1,4 HEXANE DIOL, 1,3 PROPYLENE GLYCOL, BUTYNE DIOL, AND POLYPROPYLENE GLYCOL HAVING A MOLECULAR WEIGHT RANGE OF 400 TO 10,000, FROM 64.5 TO 84.5% OF A POLYISOCYANATE OF THE GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
74 words
THE RESINOUS MATERIAL WHICH IS THE PRODUCT OF REACTION ON AN APPROXIMATE MOL PERCENTAGE BASIS OF, FROM 2.5 TO 23.5% OF A DIHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF 1,4 BUTANE DIOL, 2 METHYL BUTANE DIOL, 1,4 HEXANE DIOL, 1,3 PROPYLENE GLYCOL, BUTYNE DIOL, AND POLYPROPYLENE GLYCOL HAVING A MOLECULAR WEIGHT RANGE OF 400 TO 10,000, FROM 64.5 TO 84.5% OF A POLYISOCYANATE OF THE GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF:
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |