Patent US3218280A successfully refreshed from Google Patents.
US3218280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous blend of an emulsion copolymer, an ammoniated copolymer and the hexamethyl ether of hexamethylol melamine
Assignee: Wyeth Holdings LLC
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Filing: 1963-05-16
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Granted: 1965-11-16
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Koral Jerry Norman
- 👤 Bruner George Evans
- 👤 Jr John Harold Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:24
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/08; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D133/10; C09D133/12; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/062; C08L33/064; C08L61/00; C08L61/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A COMPOSITION OF MATTER COMPRISNG AN AQUEOUS BLEND OF (A) AN EMULSION COPOLYMER OF FROM ABOUT 55% TO ABOUT 85% OF (1) FROM ABOUT 35% TO 60% OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACYLATE, STYRENE, RING-SUBSTITUTED ALKYL AND HALO SYTRENES, (2) FROM ABOUT 35% TO 60% OF A LOWER ALKYL ESTER OF ACRYLIC ACID AND (3) FROM ABOUT 3% TO 10% OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID, (B) FROM ABOUT 5% TO ABOUT 15% OF AN AQUEOUS SOLUTION OF A WATER SOLUBLE AMMONIATED COPOLYMER OF (1) FROM ABUT 5% TO 50% OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND (2) FROM ABOUT 50% TO ABOUT 95% OF AN ALKYL ESTER OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND (C) FROM ABOUT 10% TO 30% OF HEXAMETHYL ETHER OF HEXAMETHYLOL MELAMINE, WHEREIN ALL PERCENTAGES ARE PERCENTAGES BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL RESIN SOLIDS.
Claim 2
Dependent Claim
148 words
A COMPOSITION OF MATTER COMPRISNG AN AQUEOUS BLEND OF (A) AN EMULSION COPOLYMER OF FROM ABOUT 55% TO ABOUT 85% OF (1) FROM ABOUT 35% TO 60% OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF METHYL METHACYLATE, STYRENE, RING-SUBSTITUTED ALKYL AND HALO SYTRENES, (2) FROM ABOUT 35% TO 60% OF A LOWER ALKYL ESTER OF ACRYLIC ACID AND (3) FROM ABOUT 3% TO 10% OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID, (B) FROM ABOUT 5% TO ABOUT 15% OF AN AQUEOUS SOLUTION OF A WATER SOLUBLE AMMONIATED COPOLYMER OF (1) FROM ABUT 5% TO 50% OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND (2) FROM ABOUT 50% TO ABOUT 95% OF AN ALKYL ESTER OF AN A-B-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND (C) FROM ABOUT 10% TO 30% OF HEXAMETHYL ETHER OF HEXAMETHYLOL MELAMINE, WHEREIN ALL PERCENTAGES ARE PERCENTAGES BY WEIGHT BASED ON THE WEIGHT OF THE TOTAL RESIN SOLIDS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |