US3228792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stain-resistant aminoplast resin article
Assignee: Wyeth Holdings LLC
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Filing: 1962-08-01
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Granted: 1966-01-11
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Nyquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20; C08L61/32; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D161/00; C09D161/20; C09D161/32; C09D163/00; C08J2361/00; C08J2361/20; C08J2361/22; C08J2361/24; C08J2457/00; C08J2461/00; C08J2463/00; C08L63/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A HEAT- AND PRESSURE-CONSOLIDATED SUBSTANTIALLY COMPLETELY CURED ARTICLE, PREPARED FROM A THERMOSETTING AMNOPLAST RESINOUS COMPOSITION, COATED WITH A SUBSTANTIALLY INSOLUBLE AND INFUSIBLE CURED, ADHERENT, STAIN-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF THE RESINOUS REACTION PRODUCT OF: (A) FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF A HIGHLY METHOXYMETHYLATED MELAMINE HAVING FROM HIGHLY METHOXYMETHYLATED MELAMINE HAVIND FROM ABOUT 5 TO 6 METHYLOL GROUPS, OF WHICH FROM ABOUT 5 TO 6 ARE ALKYLATED WITH A METHYL GROUP, AND HAVING NOT MORE THAN ABOUT ONE UNMETHYLATED METHYLOL GROUP, AND CORRESPONDINGLY (B) FROM ABOUT 90% TO ABOUT 40% BY WEIGHT OF A FREE HYDROXYL-CONTAINING COPOLYMER OBTAINED BY POLYMERIZING (1) FROM ABOUT 15% TO ABOUT 85% BY WEIGHT OF A MONO VINYL AROMATIC MONOMER WITH (2) FROM ABOUT 15% TO ABOUT 85% BY WEIGHT OF A HYDROXYL-CONTAINING VINYL MONOMER REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
138 words
A HEAT- AND PRESSURE-CONSOLIDATED SUBSTANTIALLY COMPLETELY CURED ARTICLE, PREPARED FROM A THERMOSETTING AMNOPLAST RESINOUS COMPOSITION, COATED WITH A SUBSTANTIALLY INSOLUBLE AND INFUSIBLE CURED, ADHERENT, STAIN-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF THE RESINOUS REACTION PRODUCT OF: (A) FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF A HIGHLY METHOXYMETHYLATED MELAMINE HAVING FROM HIGHLY METHOXYMETHYLATED MELAMINE HAVIND FROM ABOUT 5 TO 6 METHYLOL GROUPS, OF WHICH FROM ABOUT 5 TO 6 ARE ALKYLATED WITH A METHYL GROUP, AND HAVING NOT MORE THAN ABOUT ONE UNMETHYLATED METHYLOL GROUP, AND CORRESPONDINGLY (B) FROM ABOUT 90% TO ABOUT 40% BY WEIGHT OF A FREE HYDROXYL-CONTAINING COPOLYMER OBTAINED BY POLYMERIZING (1) FROM ABOUT 15% TO ABOUT 85% BY WEIGHT OF A MONO VINYL AROMATIC MONOMER WITH (2) FROM ABOUT 15% TO ABOUT 85% BY WEIGHT OF A HYDROXYL-CONTAINING VINYL MONOMER REPRESENTED BY THE GENERAL 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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |