US3251791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic resinous compositions for surface coatings
Assignee: Individual
•
Filing: 1962-07-17
•
Granted: 1966-05-17
•
Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Goodchild Sydney Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G63/00; C08G63/66; C08G63/668; C08G8/04; C08G8/08; C08G8/30; C08G8/32; C09; C09D; C09D155/00; C09D155/04; C09D161/00; C09D161/04; C09D161/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
PROCESS FOR PREPARING A RESINOUS PRODUCT WHICH FORMS A STABLE SOLUTION SUITABLE FOR USE AS A STOVING VARNISH WHEN DISSOLVED IN AN AQUEOUS SOLVENT IN THE PRESENCE OF A BASIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ORGANIC BASES, WHICH PROCESS COMPRISES HEATING AT A TEMPERATURE IN THE RANGE FROM 110-200*C. A SUBSTANTIALLY ANHYDROUS MIXTURE OF (1) A RESOLE, (2) AN ADDUCT FORMED FROM AT LEAST ONE UNUNSATURATED LONG CHAIN FATTY ACID AND AN UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC POLYCARBOXYLIC UNSATURATED ACIDS CONTAINING AN A-B ENAL GROUPING, ANHYDRIDES OF SAID ACIDS AND PRECURSORS OF SAID ACIDS WHICH UNDER THE REACTION CONDITIONS WILL YIELD SAID ACIDS, AND (3) A POLYOL TO FORM A RESINOUS PRODUCT.
Claim 2
Dependent Claim
120 words
PROCESS FOR PREPARING A RESINOUS PRODUCT WHICH FORMS A STABLE SOLUTION SUITABLE FOR USE AS A STOVING VARNISH WHEN DISSOLVED IN AN AQUEOUS SOLVENT IN THE PRESENCE OF A BASIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND ORGANIC BASES, WHICH PROCESS COMPRISES HEATING AT A TEMPERATURE IN THE RANGE FROM 110-200*C. A SUBSTANTIALLY ANHYDROUS MIXTURE OF (1) A RESOLE, (2) AN ADDUCT FORMED FROM AT LEAST ONE UNUNSATURATED LONG CHAIN FATTY ACID AND AN UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC POLYCARBOXYLIC UNSATURATED ACIDS CONTAINING AN A-B ENAL GROUPING, ANHYDRIDES OF SAID ACIDS AND PRECURSORS OF SAID ACIDS WHICH UNDER THE REACTION CONDITIONS WILL YIELD SAID ACIDS, AND (3) A POLYOL TO FORM A RESINOUS PRODUCT.
References Cited (Backward Citations)
DE1071945B
Cited
US2185080A
Cited
US2188885A
Cited
US2188884A
Cited
US2275843A
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US2586385A
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US2839434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |