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US3692597A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyurethane propellant compositions and their preparation

Assignee: Goodrich Corp
•
Filing: 1955-06-29
•
Granted: 1972-09-19
•
Expires: 1975-06-29
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Abstract

Abstract 2. A COMPOSITION OF MATTER USEFUL IN GENERATIG LARGE VLUMES OF GAS ON COMBUSTION AND COMPRISING ESSENTIALLY A FINELY-DIVIDED, SOLID, INORGANIC, STRONG, OXIDIZING SALT A COHESIVE, PLASTIC, RUBBERY, COMBUSTIBLE POLYMER OF AN AROMATIC DISOCYANATE AND A HYDROXYL TERMINATED POLYESTER OF AN ALIPHATIC DIBASIC ACID AND A GLYCOL AND CURED WITH A POLYFUNCTIONAL ALIPHATIC HYDROXYL CURING AGENT AND AT LEAST ONE SOLID, FINELY-DIVIDED, HEAT RESISTANT BURING RATE MODIFER, SAID SALT BEIN PRESENT IN A MAJOR AMOUNT SUFFICIENT TO BURN AND POLYMER AND SAID CURING AGENT TO OBTAIN AT LEAST GASEOUS CO AND H2/ ON COMBUSTION, SAID POLYMER BEING PRESENT IN A MINOR AMOUNT SUFFICIENT TO BIND SAID COMPOSITION INTO A COHESIVE MASS, SAID CURING AGENT BEING PRESENT IN AN AMOUNT SUFFICIENT TO CURE SAID UNCOMPOUNDED POLYMER TO A TOUGH, RUBBERY STATE AND SAID BURNING RATE MODIFIER BEING PRESENT IN A VERY MINOR AMOUNT SUFFICIENT TO ENHANCE THE LINEAR BURING RATE OF SAID COMPOSITION.

Inventors

  • 👤 Charles E Brockway
  • 👤 Charles S Schollenberger
  • 👤 Eugene F Sachara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:32
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06D; C06D5/00; C06D5/06

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 151 words
A COMPOSITION OF MATTER USEFUL IN GENERATIG LARGE VLUMES OF GAS ON COMBUSTION AND COMPRISING ESSENTIALLY A FINELY-DIVIDED, SOLID, INORGANIC, STRONG, OXIDIZING SALT A COHESIVE, PLASTIC, RUBBERY, COMBUSTIBLE POLYMER OF AN AROMATIC DISOCYANATE AND A HYDROXYL TERMINATED POLYESTER OF AN ALIPHATIC DIBASIC ACID AND A GLYCOL AND CURED WITH A POLYFUNCTIONAL ALIPHATIC HYDROXYL CURING AGENT AND AT LEAST ONE SOLID, FINELY-DIVIDED, HEAT RESISTANT BURING RATE MODIFER, SAID SALT BEIN PRESENT IN A MAJOR AMOUNT SUFFICIENT TO BURN AND POLYMER AND SAID CURING AGENT TO OBTAIN AT LEAST GASEOUS CO AND H2/ ON COMBUSTION, SAID POLYMER BEING PRESENT IN A MINOR AMOUNT SUFFICIENT TO BIND SAID COMPOSITION INTO A COHESIVE MASS, SAID CURING AGENT BEING PRESENT IN AN AMOUNT SUFFICIENT TO CURE SAID UNCOMPOUNDED POLYMER TO A TOUGH, RUBBERY STATE AND SAID BURNING RATE MODIFIER BEING PRESENT IN A VERY MINOR AMOUNT SUFFICIENT TO ENHANCE THE LINEAR BURING RATE OF SAID COMPOSITION.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-09-19 1976-03-20 1976-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-09-19 1980-03-20 1980-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-09-19 1984-03-20 1984-09-19 $7700.00 Window Closed / Lapsed

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