US3183281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable self-catalyzing epoxy resin compositions
Assignee: Rohm and Haas Co
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Filing: 1961-07-19
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Granted: 1965-05-11
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 David H Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:56
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COMPOSITION COMPRISING AN ORGANIC SOLVENT HAVING DISSOLVED THEREIN (A) AT LEAST ONE LINEAR ADDITION COPOLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) A COPOLYMER CONSISTIG OF MONOETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMERS AND HAVING 3 TO 15% BY WEIGHT OF DICARBOXYLIC ACID ANHYDRIDE-CONTAINING UNITS AND 0.25 TO 10% BY WEIGHT OF ORGANIC BASE-CONTAINING UNITS SELECTED FROM THE GROUP CONSISTING OF UNITS HAVING AMINE AND QUATERNARY AMONIUM GROUPS IN THE FORM OF A SALT OF AN ACID OF THE FORMULA
Claim 2
Dependent Claim
79 words
A COMPOSITION COMPRISING AN ORGANIC SOLVENT HAVING DISSOLVED THEREIN (A) AT LEAST ONE LINEAR ADDITION COPOLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) A COPOLYMER CONSISTIG OF MONOETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMERS AND HAVING 3 TO 15% BY WEIGHT OF DICARBOXYLIC ACID ANHYDRIDE-CONTAINING UNITS AND 0.25 TO 10% BY WEIGHT OF ORGANIC BASE-CONTAINING UNITS SELECTED FROM THE GROUP CONSISTING OF UNITS HAVING AMINE AND QUATERNARY AMONIUM GROUPS IN THE FORM OF A SALT OF AN ACID OF THE FORMULA
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |