US3284398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature adhesive
Assignee: General Dynamics Corp
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Filing: 1963-11-05
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Granted: 1966-11-08
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 John M Warren
- 👤 Harold P Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:11
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G59/32; C08G59/3254; C09; C09J; C09J163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN ADHESIVE COMPOSITE POSSESSING HIGH TEMPERATURE STRENGTH AND STABILITY CONSISTING OF: (A) FROM ABOUT 30.0% TO 45.0% BY WEIGHT EPOXY NOVOLAC RESIN HAVING AN EPOXY EQUIVALENT WEIGHT OF ABOUT 175-182, A MOLECULAR WEIGHT OF ABOUT 600 AND A FUNCTIONALITY OF ABOUT 3.3 TO 3.6 EPOXY GROUPS PER MOLECULE, (B) FROM ABOUT 10.0% TO 20.0% BY WEIGHT EXOTHERMIC CATALYST FROM THE AMINE GROUP HAVING AN AMINE HYDROGEN EQUIVALENT WEIGHT OF ABOUT 62, (C) FROM ABOUT 2.0% TO 15.0% BY WEIGHT REACTIVE CYCLIC EPOXY SILOXANE PLASTICIZER HAVING AN EPOXY EQUIVALENT WEIGHT OF ABOUT 174 AND A MOLECULAR WEIGHT OF ABOUT 870, (D) FROM ABOUT 8.0% TO 32% BY WEIGHT THIXOTROPIC FILLER MATERIAL HAVING A PARTICLE SIZE WHEREIN 100% PASSES A 100 MESH SIEVE OF AN INORGANIC PIGMENT, (E) FROM ABOUT 13.0% TO 31.0% BY WEIGHT FILLER MATERIAL OF POWDERED INORGANIC PIGMENT.
Claim 2
Dependent Claim
139 words
AN ADHESIVE COMPOSITE POSSESSING HIGH TEMPERATURE STRENGTH AND STABILITY CONSISTING OF: (A) FROM ABOUT 30.0% TO 45.0% BY WEIGHT EPOXY NOVOLAC RESIN HAVING AN EPOXY EQUIVALENT WEIGHT OF ABOUT 175-182, A MOLECULAR WEIGHT OF ABOUT 600 AND A FUNCTIONALITY OF ABOUT 3.3 TO 3.6 EPOXY GROUPS PER MOLECULE, (B) FROM ABOUT 10.0% TO 20.0% BY WEIGHT EXOTHERMIC CATALYST FROM THE AMINE GROUP HAVING AN AMINE HYDROGEN EQUIVALENT WEIGHT OF ABOUT 62, (C) FROM ABOUT 2.0% TO 15.0% BY WEIGHT REACTIVE CYCLIC EPOXY SILOXANE PLASTICIZER HAVING AN EPOXY EQUIVALENT WEIGHT OF ABOUT 174 AND A MOLECULAR WEIGHT OF ABOUT 870, (D) FROM ABOUT 8.0% TO 32% BY WEIGHT THIXOTROPIC FILLER MATERIAL HAVING A PARTICLE SIZE WHEREIN 100% PASSES A 100 MESH SIEVE OF AN INORGANIC PIGMENT, (E) FROM ABOUT 13.0% TO 31.0% BY WEIGHT FILLER MATERIAL OF POWDERED INORGANIC PIGMENT.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |