US3296153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation material prepared from a halogenated epoxy, siloxane and a polyamine-amide curing agent
Assignee: North American Aviation Corp
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Filing: 1963-03-22
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Granted: 1967-01-03
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Richard C Snogren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:15
CPC Classifications
C; C08; C08L; C08L63/00; C08J; C08J9/00; C08J9/30; C08L83/00; C08L83/04; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10S220/00; Y10S220/902; Y10S428/00; Y10S428/92; Y10S428/921; Y10S521/00; Y10S521/907; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COMPOSITION OF MATTER FOR PROVIDING ABLATION PROTECTION COMPRISING: 50 TO 80 PARTS BY WEIGHT OF HALOGENATED EPOXY RESIN PREPARED FROM A DIGLYCIDYL ETHER OF BISPHENOL A, 20 TO 50 PARTS BY WEIGHT OF SILOXANE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL SILOXANE, DIETHYL SILOXANE DIETHYL SILOXANE AND METHYL PHENYL SILOXANE, THE RATIO OF THE EPOXY RESIN TO THE SILOXANE BEING IN THE RANGE FROM 80/20 TO 50/50, AND THE TOTAL WEIGHT OF SAID EPOXY RESIN AND THE SILOXANE BEING 100 PARTS BY WEIGHT. 20 TO 50 PARTS BY WEIGHT OF LIQUID POLYAMIDE-POLYAMINE RESIN WITH AN AMINE VALUE OF 80 TO 320, 15 TO 30 PARTS BY WEIGHT OF THIN WALLED HOLLOW MICROPARTICLES, 4 TO 7 PARTS BY WEIGHT OF TRIS (2,3-DIBROMOPROPYL) PHOSPHATE, AND 10 TO 20 PARTS BY WEIGHT OF TRIPHENYL PHOSPHITE.
Claim 2
Dependent Claim
133 words
A COMPOSITION OF MATTER FOR PROVIDING ABLATION PROTECTION COMPRISING: 50 TO 80 PARTS BY WEIGHT OF HALOGENATED EPOXY RESIN PREPARED FROM A DIGLYCIDYL ETHER OF BISPHENOL A, 20 TO 50 PARTS BY WEIGHT OF SILOXANE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL SILOXANE, DIETHYL SILOXANE DIETHYL SILOXANE AND METHYL PHENYL SILOXANE, THE RATIO OF THE EPOXY RESIN TO THE SILOXANE BEING IN THE RANGE FROM 80/20 TO 50/50, AND THE TOTAL WEIGHT OF SAID EPOXY RESIN AND THE SILOXANE BEING 100 PARTS BY WEIGHT. 20 TO 50 PARTS BY WEIGHT OF LIQUID POLYAMIDE-POLYAMINE RESIN WITH AN AMINE VALUE OF 80 TO 320, 15 TO 30 PARTS BY WEIGHT OF THIN WALLED HOLLOW MICROPARTICLES, 4 TO 7 PARTS BY WEIGHT OF TRIS (2,3-DIBROMOPROPYL) PHOSPHATE, AND 10 TO 20 PARTS BY WEIGHT OF TRIPHENYL PHOSPHITE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |