US3183282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-aqueous solutions of acrylic ester/acid copolymer and thermosetting alkylated aminoplast resin-forming condensate
Assignee: Rohm and Haas Co
•
Filing: 1956-07-27
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Granted: 1965-05-11
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Expires: 1976-07-27
Abstract
No abstract record available.
Inventors
- 👤 Melvin D Hurwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:27
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C09D161/32; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064; C09D135/00; C09D135/02; C08; C08L; C08L61/00; C08L61/02; C08L61/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF (A) 5 TO 95 PARTS BY WEIGHT OF A LINEAR WATERINSOLUBLE THERMOPLSTIC COPOLYMER OF 1 TO 10 MOLE PERCENT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, AND ITACONIC ACID AND 90 TO 99 MOLE PERCENT OF AT LEAST ONE ALKYL ESTER OF ONE OF SAID ACIDS IN WHICH THE ALKYL GROUP CONTAINS 1 TO 18 CARBON ATOMS, AND (B) 95 TO 5 PARTS BY WEIGHT RESPECTIVELY OF A RESIN-FORMING ALKYLATED CONDENSATE OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND AMINOTRIAZINES, SAID ALKYLATED CONDENSATE CONTAINING ALKOXYMETHYL GROUPS HAVING FROM 2 TO 19 CARBON ATOMS, THE AMOUNT OF CONDENSATE BEING AT LEAST SUFFICIENT TO PROVIDE 1.5 EQUIVALENTS OF OXMETHYL PER EQUIVALENT OF CARBOXYL IN THE COPOLYMER.
Claim 2
Dependent Claim
135 words
A COMPOSITION COMPRISING A SOLUTION IN AN ORGANIC SOLVENT OF (A) 5 TO 95 PARTS BY WEIGHT OF A LINEAR WATERINSOLUBLE THERMOPLSTIC COPOLYMER OF 1 TO 10 MOLE PERCENT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, AND ITACONIC ACID AND 90 TO 99 MOLE PERCENT OF AT LEAST ONE ALKYL ESTER OF ONE OF SAID ACIDS IN WHICH THE ALKYL GROUP CONTAINS 1 TO 18 CARBON ATOMS, AND (B) 95 TO 5 PARTS BY WEIGHT RESPECTIVELY OF A RESIN-FORMING ALKYLATED CONDENSATE OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND AMINOTRIAZINES, SAID ALKYLATED CONDENSATE CONTAINING ALKOXYMETHYL GROUPS HAVING FROM 2 TO 19 CARBON ATOMS, THE AMOUNT OF CONDENSATE BEING AT LEAST SUFFICIENT TO PROVIDE 1.5 EQUIVALENTS OF OXMETHYL PER EQUIVALENT OF CARBOXYL IN THE COPOLYMER.
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) | 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 |