Patent US3311583A successfully refreshed from Google Patents.
US3311583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymer acrylates-acrylic acid-hydroxyalkyl esters of acrylic acid
Assignee: Dow Chemical Co
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Filing: 1963-11-06
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Granted: 1967-03-28
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bearden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:19
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A COMPOSITON COMPRISING A SOLUTION OF AN INTERPOLYMER CONSISTING OF (1) FROM 10 TO 40 WEIGHT PERCENT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, (2) FROM 10 TO 65 WEIGHT PERCENT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED MONOMER SELECTED FROM THE GROUP CONSISTING OF (A) AN ESTER OF SAID ACIDS AND A SATURATED ALIPHATIC ALCOHOL HAVING FROM 1 TO 8 CARBON ATOMS IN THE MOLEUCLE AND (B) A MONOVINYL AROMATIC HYDROCARBON, AND (3) FROM 15 TO 70 WEIGHT PERCENT OF AT LEAST ONE HYDROXYALKYL ESTER SELECTED FROM THE GROUP CONSISTING OF HYDROXYALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACIDS, WHICH ESTER HAS FROM 2 TO 4 CARBON ATOMS IN THE HYDROXYALKYL RADICAL, THE PROPORTIONS OF SAID INGREDIENTS BEING WITHIN THE LINES ABCDEFG OF THE TRILINEAR DIAGRAM OF DRAWING, AND SAID INTERPOLYMER BEING SOLUBLE IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, ALIPHATIC ALCOHOLS CONTAINING FROM ONE TO FOUR CARBONS AND MIXTURES OF WATER AND SAID ALCOHOLS.
Claim 2
Dependent Claim
165 words
A COMPOSITON COMPRISING A SOLUTION OF AN INTERPOLYMER CONSISTING OF (1) FROM 10 TO 40 WEIGHT PERCENT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, (2) FROM 10 TO 65 WEIGHT PERCENT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED MONOMER SELECTED FROM THE GROUP CONSISTING OF (A) AN ESTER OF SAID ACIDS AND A SATURATED ALIPHATIC ALCOHOL HAVING FROM 1 TO 8 CARBON ATOMS IN THE MOLEUCLE AND (B) A MONOVINYL AROMATIC HYDROCARBON, AND (3) FROM 15 TO 70 WEIGHT PERCENT OF AT LEAST ONE HYDROXYALKYL ESTER SELECTED FROM THE GROUP CONSISTING OF HYDROXYALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACIDS, WHICH ESTER HAS FROM 2 TO 4 CARBON ATOMS IN THE HYDROXYALKYL RADICAL, THE PROPORTIONS OF SAID INGREDIENTS BEING WITHIN THE LINES ABCDEFG OF THE TRILINEAR DIAGRAM OF DRAWING, AND SAID INTERPOLYMER BEING SOLUBLE IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER, ALIPHATIC ALCOHOLS CONTAINING FROM ONE TO FOUR CARBONS AND MIXTURES OF WATER AND SAID ALCOHOLS.
References Cited (Backward Citations)
US2819237A
Cited
US2991260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |