US3235622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products and coating compositions thereof
Assignee: Rohm and Haas Co
•
Filing: 1960-09-01
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Granted: 1966-02-15
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 David H Clemens
- 👤 Dominic R Falgiatore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:42
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42; C08G12/424; C08G12/425; C08G12/427; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/066; C09D161/32; C08F; C08F2800/00; C08F2800/20; C08L; C08L61/00; C08L61/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (A) CONDENSATION PRODUCTS, OBTAINED BY HEATING A SOLUTION IN AN ORGANIC SOLVENT, AT A TEMPERATURE OF ABOUT 50 TO 140*C., FOR A PERIOD OF AT LEAST ABOUT A HALT HOUR, BUT SHORT OF THAT RESULTING IN GELATION, UNTIL THE SOLUTION CLEARS AND IS CAPABLE OF FORMING A CLEAR FILM ON BAKING AT 150*C. FOR 30 MINUTES, OF A MIXTURE OF (1) 15 TO 60% BY WEIGHT OF A BUTYLATED POLYMETHYLOL MELAMINE AND (2) 85 TO 40% BY WEIGHT RESPECTIVELY OF A COPOLYMER OF A MIXTURE OF (A) AT LEAST ONE COPOLYMERIZABLE MONOTHYLENICALLY UNSATURATED MONOMER AND (B) 5 TO 30% BY WEIGHT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
125 words
A COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (A) CONDENSATION PRODUCTS, OBTAINED BY HEATING A SOLUTION IN AN ORGANIC SOLVENT, AT A TEMPERATURE OF ABOUT 50 TO 140*C., FOR A PERIOD OF AT LEAST ABOUT A HALT HOUR, BUT SHORT OF THAT RESULTING IN GELATION, UNTIL THE SOLUTION CLEARS AND IS CAPABLE OF FORMING A CLEAR FILM ON BAKING AT 150*C. FOR 30 MINUTES, OF A MIXTURE OF (1) 15 TO 60% BY WEIGHT OF A BUTYLATED POLYMETHYLOL MELAMINE AND (2) 85 TO 40% BY WEIGHT RESPECTIVELY OF A COPOLYMER OF A MIXTURE OF (A) AT LEAST ONE COPOLYMERIZABLE MONOTHYLENICALLY UNSATURATED MONOMER AND (B) 5 TO 30% BY WEIGHT OF A COMPOUND 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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |