US3929701A
Expired / Lapsed
US
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Binders for printing inks
Assignee: Akzo NV
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Filing: 1974-09-16
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Granted: 1975-12-30
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Expires: 1994-09-16
Abstract
Abstract Binders for printing inks comprising an ester of a styrene allyl alcohol copolymer.
Inventors
- 👤 Claude E Hall
- 👤 Louis L Stalvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:14
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
150 words
A BINDER FOR WATER BASE FLEXOGRAPHIC OR GRAVURE INKS COMPRISING A MAJOR AMOUNT OF AN ESTER OF A COPOLYMER OF AN ETHYLENICALLY UNSATURATED ALCOHOL AND A STYRENE MONOMER; SAID ESTERIFIED COPOLYMER BEING A COPOLYMER OF: A. AN ETHYLENICALLY UNSATURATED ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALLYL ALCOHOL, METHALLYL ALCOHOL AND MIXTURE THEREOF, AND B. STYRENE MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA- AND BETA-SUBSTITUTED STYRENE, MONO- AND DI-ALKYL, CHLORO AND CHLOROALKYL STYRENE AND MIXTURE THEREOF; WHEREIN SAID COPOLYMER BEFORE ESTERIFICATION HAS A HYDROXYL GROUP CONTENT OF FROM ABOUT 4-7.5 PERCENT BY WEIGHT; FROM 50 TO 85 PERCENT OF SAID HYDROXYL GROUPS BEING ESTERIFIED WITH C. A ROSIN MATERIAL, AND FROM 1 TO 10 PERCENT OF SAID HYDROXYL GROUPS BEING ESTERIFIED WITH D. A MODIFIED DRYING OIL; SAID BINDER HAVING AN ACID NUMBER OF FROM 70 TO 225 AND A MELTING POINT OF FROM ABOUT 115* TO 160*C.
Claim 2
Dependent Claim
150 words
A BINDER FOR WATER BASE FLEXOGRAPHIC OR GRAVURE INKS COMPRISING A MAJOR AMOUNT OF AN ESTER OF A COPOLYMER OF AN ETHYLENICALLY UNSATURATED ALCOHOL AND A STYRENE MONOMER; SAID ESTERIFIED COPOLYMER BEING A COPOLYMER OF: A. AN ETHYLENICALLY UNSATURATED ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALLYL ALCOHOL, METHALLYL ALCOHOL AND MIXTURE THEREOF, AND B. STYRENE MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA- AND BETA-SUBSTITUTED STYRENE, MONO- AND DI-ALKYL, CHLORO AND CHLOROALKYL STYRENE AND MIXTURE THEREOF; WHEREIN SAID COPOLYMER BEFORE ESTERIFICATION HAS A HYDROXYL GROUP CONTENT OF FROM ABOUT 4-7.5 PERCENT BY WEIGHT; FROM 50 TO 85 PERCENT OF SAID HYDROXYL GROUPS BEING ESTERIFIED WITH C. A ROSIN MATERIAL, AND FROM 1 TO 10 PERCENT OF SAID HYDROXYL GROUPS BEING ESTERIFIED WITH D. A MODIFIED DRYING OIL; SAID BINDER HAVING AN ACID NUMBER OF FROM 70 TO 225 AND A MELTING POINT OF FROM ABOUT 115* TO 160*C.
Claim 3
Dependent Claim
27 words
A binder according to claim 1 wherein the drying oil is castor oil or tung oil, the styrene monomer is styrene and the alcohol is allyl alcohol.
Claim 4
Dependent Claim
8 words
an antifoaming agent or mixture of anti-foaming agents.
Claim 5
Dependent Claim
8 words
an antifoaming agent or mixture of anti-foaming agents.
Claim 6
Dependent Claim
15 words
A resinous binder according to claiM 2 wherein said binder additionally contains an antifoaming agent.
Claim 7
Dependent Claim
25 words
A binder according to claim 2 wherein the rosin material is fumaric acid fortified tall oil rosin, a fumaric fortified gum rosin, or mixtures thereof.
Claim 8
Dependent Claim
16 words
A resinous binder according to claim 2 which additionally contains tributyl phosphate as an antifoaming agent.
Claim 9
Dependent Claim
12 words
A binder for water base flexographic or gravure inks consisting essentially of
Claim 10
Dependent Claim
12 words
A binder for water base flexographic or gravure inks consisting essentially of
Claim 11
Dependent Claim
12 words
A binder according to claim 6 wherein the anti-foaming agent is tributylphosphate.
Claim 12
Dependent Claim
59 words
A ink vehicle for flexographic and gravure printing inks comprising water in an amount of from about 45 percent to about 53 percent by weight; the binder of claim 1 in an amount of from about 15 percent to about 22 percent, and a volatile base in an amount to provide a pH of from about 7.5 to 8.5.
Claim 13
Dependent Claim
52 words
A printing ink for gravure and flexographic printing comprising the ink vehicle of claim 4 in an amount of from about 55 to 70 percent by weight, water in an amount of from about 15 to 30 percent, and pigment in an amount of from about 2 to 60 percent by weight.
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) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |