Patent US4014158A successfully refreshed from Google Patents.
US3309331A
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Freeze-thaw stable aqueous paints containing carboxyl, aminoester and hydroxyamide radicals
Assignee: EIDP Inc
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Filing: 1965-11-04
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Granted: 1967-03-14
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Expires: 1985-11-04
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Mcdowell
- 👤 Trevor B Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:57
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C08; C08F; C08F8/00; C08F8/30; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PIGMENTED FREEZE-THAW AQUEOUS PAINT COMPOSITION CONTAINING A PIGMENT IN A PIGMENT VOLUME CONCENTRATION OF ABOUT 10-50% AND A WATER INSOLUBLE VINYL ADDITION POLYMER HAVING AN OVERALL NEGATIVE CHARGE WHICH CONSISTS ESSENTIALLY OF (A) ABOUT 0.3-5% BY WEIGHT OF UNITS OF AN A,B-UNSATRUATED MONOVINYLIDENE CARBOXYLIC ACID, (B) UNITS OF A METHACRYLIC ACID ESTER, AND (C) UNITS OF ACRYLIC ACID ESTER, SAID ESTERS (B) AND (C) BEING OF A C1-C8 SATURATED ALIPHATIC MONOHYDRIC PRIMARY ALCOHOL, AND HAVING ATTACHED TO THE CARBON ATOMS IN THE POLYMER BACKBONE ABOUT 0.03-3% BY WEIGHT OF SAID VINYL ADDITION POLYMER, PENDENT MONOVALENT RADICALS SELECTED FROM THE GROUP CONSISTING OF RADICAL A OF THE FORMULA
Claim 2
Dependent Claim
108 words
A PIGMENTED FREEZE-THAW AQUEOUS PAINT COMPOSITION CONTAINING A PIGMENT IN A PIGMENT VOLUME CONCENTRATION OF ABOUT 10-50% AND A WATER INSOLUBLE VINYL ADDITION POLYMER HAVING AN OVERALL NEGATIVE CHARGE WHICH CONSISTS ESSENTIALLY OF (A) ABOUT 0.3-5% BY WEIGHT OF UNITS OF AN A,B-UNSATRUATED MONOVINYLIDENE CARBOXYLIC ACID, (B) UNITS OF A METHACRYLIC ACID ESTER, AND (C) UNITS OF ACRYLIC ACID ESTER, SAID ESTERS (B) AND (C) BEING OF A C1-C8 SATURATED ALIPHATIC MONOHYDRIC PRIMARY ALCOHOL, AND HAVING ATTACHED TO THE CARBON ATOMS IN THE POLYMER BACKBONE ABOUT 0.03-3% BY WEIGHT OF SAID VINYL ADDITION POLYMER, PENDENT MONOVALENT RADICALS SELECTED FROM THE GROUP CONSISTING OF RADICAL A OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |