Patent US3079355A successfully refreshed from Google Patents.
US3079355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitropolyurethane compositions
Assignee: Phillips Petroleum Co
•
Filing: 1958-12-29
•
Granted: 1963-02-26
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Liles G Herring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:43
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/2815; C08G18/283; C08G18/2835; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C08G18/30; C08G18/36; C08G18/38; C08G18/3819; C08G18/384; F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; F02K9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A NITROPOLYURETHANE COMPOSITION OF MATTER PREPARED BY THE INTERACTION OF 100 CHEMICAL EQUIVALENT WEIGHTS OF AN ORGANIC POLYISOCYANATE WITH (1) FROM 25 TO 40 CHEMICAL EQUIVALENT WEIGHTS OF A TRIESTER OF GLYCEROL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 400 TO 1550 AND IN WHICH EACH ESTER GROUP CONTAINS ONE HYDROXYL GROUP, (2) FROM 30 TO 50 CHEMICAL EQUIVALENT WEIGHTS OF A SECOND ORGANIC HYDROXY COMPOUND HAVING A CHEMICAL EQUIVALENT WEIGHT IN THE POLYURETHANE REACTION WITHIN THE RANGE OF 30 TO 1000, AND (3) FROM 30 TO 50 CHEMICAL EQUIVALENT WEIGHTS OF A NITRO SUBSTITUTED ORGANIC COMPOUND HAVING FROM 2 TO 16 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF 2,4,6,2'',4'',6''-HEXANITRODIPHENYL MALONYLUREA AND NITRO SUBSTITUTED ORGANIC COMPOUNDS HAVING THE FORMULA R(NO2)N WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF (A) AN AROMATIC NUCLEUS HAVING FROM 6 TO 14 CARBON ATOMS AND HAVING A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
152 words
A NITROPOLYURETHANE COMPOSITION OF MATTER PREPARED BY THE INTERACTION OF 100 CHEMICAL EQUIVALENT WEIGHTS OF AN ORGANIC POLYISOCYANATE WITH (1) FROM 25 TO 40 CHEMICAL EQUIVALENT WEIGHTS OF A TRIESTER OF GLYCEROL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 400 TO 1550 AND IN WHICH EACH ESTER GROUP CONTAINS ONE HYDROXYL GROUP, (2) FROM 30 TO 50 CHEMICAL EQUIVALENT WEIGHTS OF A SECOND ORGANIC HYDROXY COMPOUND HAVING A CHEMICAL EQUIVALENT WEIGHT IN THE POLYURETHANE REACTION WITHIN THE RANGE OF 30 TO 1000, AND (3) FROM 30 TO 50 CHEMICAL EQUIVALENT WEIGHTS OF A NITRO SUBSTITUTED ORGANIC COMPOUND HAVING FROM 2 TO 16 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF 2,4,6,2'',4'',6''-HEXANITRODIPHENYL MALONYLUREA AND NITRO SUBSTITUTED ORGANIC COMPOUNDS HAVING THE FORMULA R(NO2)N WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF (A) AN AROMATIC NUCLEUS HAVING FROM 6 TO 14 CARBON ATOMS AND HAVING A SUBSTITUENT 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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |