US3022149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dispersing solids in polymeric propellent fuel binders
Assignee: North American Aviation Corp
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Filing: 1957-11-29
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Granted: 1962-02-20
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frank B Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:08
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C08; C08F; C08F2/00; C08F2/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A PROCESS FOR THE MANUFACTURE OF A COMPOSITION COMPRISING SUBSTANTIALLY UNIFORMLY DISPERSED SOLID PARTICULATE SUBSTANCES IN AN ORGANIC POLYMER, THE IMPROVEMENT WHICH COMPRISES MIXING, UNDER TUBULENT CONDITIONS, AT LEAST ONE LIQUID ORGANIC MATERIAL WHICH FORMS A PROPELLENT FUEL BINDER UPON CURING WITH AT LEAST ONE SOLID PARTICULATE FILLING SUBSTANCES HAVING A PRTICLE SIZE OF AT LEAST ONE MICRON, SAID MIXING BEING CONDUCTED IN AN INERT NON-SOLVENT LIQUID CARRIER; SAID TURBULENT CONDITIONS OPERATING TO COMBINE SAID FILLING SUBSTANCE AND SAID LIQUID ORGANIC MATERIAL INTO A DISPERSION ON CONTACT SUCH THAT SAID DISPERSION, UPON THE RELEASE OF TURBULENT CONDITIONS AND IN THE ABSENCE OF ADDED COLLOID COAGULATING MEANS SEPARATES FROM SAID CARRIER, AND UPON CURING SAID DISPERSION IS FURTHER CHARACTERIZED IN THAT IT FORMS A SOLID COHESIVE SUBSTANCE OF SUBSTANTIALLY UNIFORM COMPOSITION.
Claim 2
Dependent Claim
131 words
IN A PROCESS FOR THE MANUFACTURE OF A COMPOSITION COMPRISING SUBSTANTIALLY UNIFORMLY DISPERSED SOLID PARTICULATE SUBSTANCES IN AN ORGANIC POLYMER, THE IMPROVEMENT WHICH COMPRISES MIXING, UNDER TUBULENT CONDITIONS, AT LEAST ONE LIQUID ORGANIC MATERIAL WHICH FORMS A PROPELLENT FUEL BINDER UPON CURING WITH AT LEAST ONE SOLID PARTICULATE FILLING SUBSTANCES HAVING A PRTICLE SIZE OF AT LEAST ONE MICRON, SAID MIXING BEING CONDUCTED IN AN INERT NON-SOLVENT LIQUID CARRIER; SAID TURBULENT CONDITIONS OPERATING TO COMBINE SAID FILLING SUBSTANCE AND SAID LIQUID ORGANIC MATERIAL INTO A DISPERSION ON CONTACT SUCH THAT SAID DISPERSION, UPON THE RELEASE OF TURBULENT CONDITIONS AND IN THE ABSENCE OF ADDED COLLOID COAGULATING MEANS SEPARATES FROM SAID CARRIER, AND UPON CURING SAID DISPERSION IS FURTHER CHARACTERIZED IN THAT IT FORMS A SOLID COHESIVE SUBSTANCE OF SUBSTANTIALLY UNIFORM COMPOSITION.
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |