Patent US5118964A successfully refreshed from Google Patents.
US3153003A
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Aqueous dispersion of an aminoplast and an epoxy compound
Assignee: Rohm and Haas Co
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Filing: 1961-02-23
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Granted: 1964-10-13
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph L O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF A MIXTURE OF 60 TO 95% BY WEIGHT OF A WATER-DISPERSIBLE AMINOPLAST CONDENSATE SELECTED FROM THE GROUP CONSISTING OF CONDENSATES OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,N''-ETHYLENEUREA, N,N''TRIMETHLYENEUREA, A TETRAHYDRO-S-TRIAZONE-2 SUBSTITUTED IN THE 5-POSITION WITH A GROUP SELECTED FROM THE GROUP CONSISTING OF B-HYDROXYETHYL, B-HYDORXYPROPYL, AND (C1-C4)ALKYL GROUPS AND A MELAMINE AND 5 TO 40% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE LISTED IN TABLE A OF THE SPECIFICATION.
Claim 2
Dependent Claim
86 words
A COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF A MIXTURE OF 60 TO 95% BY WEIGHT OF A WATER-DISPERSIBLE AMINOPLAST CONDENSATE SELECTED FROM THE GROUP CONSISTING OF CONDENSATES OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,N''-ETHYLENEUREA, N,N''TRIMETHLYENEUREA, A TETRAHYDRO-S-TRIAZONE-2 SUBSTITUTED IN THE 5-POSITION WITH A GROUP SELECTED FROM THE GROUP CONSISTING OF B-HYDROXYETHYL, B-HYDORXYPROPYL, AND (C1-C4)ALKYL GROUPS AND A MELAMINE AND 5 TO 40% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE LISTED IN TABLE A OF THE SPECIFICATION.
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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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |