US4045232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink composition
Assignee: Topar Products Corp
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Filing: 1974-11-01
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Granted: 1977-08-30
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Expires: 1994-11-01
Abstract
Abstract An additive is provided which may be combined with printing inks to provide a printing ink composition which is retentive only by the image portion of a print plate. The additive includes a printing ink resin and a concentrated mineral acid. The additive may also include a polyhydric or monohydric alcohol or mixtures of such alcohols. A volatile solvent may also be present in the additive.
Inventors
- 👤 Harold B. Parkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:47
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/06
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
152 words
A modified ink vehicle for use in the preparation of printing ink compositions comprising a printing ink resin, a solvent and a strong mineral acid, said strong mineral acid being present at a level of from about 5 to about 20 cc per pound of resin, said printing ink resin being fluid and having a viscosity at room temperature in the range of from about Q to Z6 as determined by the Gardner-Holdt method, said strong mineral acid being selected from the group consisting of nitric acid and mixtures of nitric acid with sulphuric acid having at least about 50 percent by weight of nitric acid, said solvent being selected from the group consisting of turpentine, mineral spirits and short chain esters having a straight or branched chain aliphatic acid moiety of from 2 to 6 carbons and a straight or branched chain, aliphatic alcohol moiety of from 2 to 6 carbons.
Claim 2
Dependent Claim
152 words
A modified ink vehicle for use in the preparation of printing ink compositions comprising a printing ink resin, a solvent and a strong mineral acid, said strong mineral acid being present at a level of from about 5 to about 20 cc per pound of resin, said printing ink resin being fluid and having a viscosity at room temperature in the range of from about Q to Z6 as determined by the Gardner-Holdt method, said strong mineral acid being selected from the group consisting of nitric acid and mixtures of nitric acid with sulphuric acid having at least about 50 percent by weight of nitric acid, said solvent being selected from the group consisting of turpentine, mineral spirits and short chain esters having a straight or branched chain aliphatic acid moiety of from 2 to 6 carbons and a straight or branched chain, aliphatic alcohol moiety of from 2 to 6 carbons.
Claim 3
Dependent Claim
26 words
An ink vehicle in accordance with claim 1 wherein said printing ink resin is selected from the group consisting of bodied drying oils and alkyd resins.
Claim 4
Dependent Claim
40 words
An ink vehicle in accordance with claim 2 wherein said bodied drying oils are selected from the group consisting of linseed oil, soybean oil, tung oil, dehydrated castor oil, oiticica oil, perilla oil, safflower oil, menhaden oil and sardine oil.
Claim 5
Dependent Claim
15 words
An ink vehicle in accordance with claim 3 wherein said resin is bodied linseed oil.
Claim 6
Dependent Claim
14 words
An ink vehicle in accordance with claim 1 which further comprises a polyhydric alcohol.
Claim 7
Dependent Claim
22 words
An ink vehicle in accordance with claim 5 wherein said polyhydric alcohol is a polyol having from 2 to 5 carbon atoms.
Claim 8
Dependent Claim
24 words
An ink vehicle in accordance with claim 6 wherein said polyol is selected from the group consisting of glycerol, ethylene glycol and propylene glycol.
Claim 9
Dependent Claim
29 words
An ink vehicle in accordance with claim 5 wherein said polyhydric alcohol is present at a level of from about 25 to about 550 cc per pound of resin.
Claim 10
Dependent Claim
14 words
An ink vehicle in accordance with claim 1 wherein said solvent is amyl acetate.
Claim 11
Dependent Claim
30 words
An ink vehicle in accordance with claim 1 wherein said solvent is present at a level of from about 30 to about 300 cc per pound of acid treated resin.
Claim 12
Dependent Claim
12 words
A printing ink composition comprising the modified ink vehicle of claim 1.
Claim 13
Independent Claim
146 words
A method of making modified ink vehicle for use in printing ink compositions comprising providing a printing ink resin, said printing ink resin being fluid and having a viscosity at room temperature in the range of from about Q to about Z6 as determined by the Gardener-Holdt method, acid treating said resin by adding a strong mineral acid selected from the group consisting of nitric acid and mixtures of nitric acid with sulphuric acid having at least 50 percent by weight nitric acid to said printing ink resin and maintaining the temperature of said resin and acid mixture in the range of from about 170° F to about 200° F so as to acid treat said resin with said acid, said strong mineral acid being added to said resin at a level of from about 5 to about 20 cc of acid per pound of resin.
Claim 14
Independent Claim
146 words
A method of making modified ink vehicle for use in printing ink compositions comprising providing a printing ink resin, said printing ink resin being fluid and having a viscosity at room temperature in the range of from about Q to about Z6 as determined by the Gardener-Holdt method, acid treating said resin by adding a strong mineral acid selected from the group consisting of nitric acid and mixtures of nitric acid with sulphuric acid having at least 50 percent by weight nitric acid to said printing ink resin and maintaining the temperature of said resin and acid mixture in the range of from about 170° F to about 200° F so as to acid treat said resin with said acid, said strong mineral acid being added to said resin at a level of from about 5 to about 20 cc of acid per pound of resin.
Claim 15
Dependent Claim
25 words
A method in accordance with claim 12 wherein said printing ink resin is selected from the group consisting of bodied drying oils and alkyd resins.
Claim 16
Dependent Claim
39 words
A method in accordance with claim 13 wherein said bodied drying oils are selected from the group consisting of linseed oil, soybean oil, tung oil, dehydrated castor oil, oiticica oil, perilla oil, safflower oil, menhaden oil and sardine oil.
Claim 17
Dependent Claim
14 words
A method in accordance with claim 14 wherein said resin is bodied linseed oil.
Claim 18
Dependent Claim
18 words
A method in accordance with claim 12 which further comprises adding polyhydric alcohol to said acid treated resin.
Claim 19
Dependent Claim
22 words
A method in accordance with claim 16 wherein said polyhydric alcohol is a polyol having from 2 to about 5 carbon atoms.
Claim 20
Dependent Claim
23 words
A method in accordance with claim 17 wherein said polyol is selected from the group consisting of glycerol, ethylene glycol and propylene glycol.
Claim 21
Dependent Claim
28 words
A method in accordance with claim 17 wherein said polyhydric alcohol is present at a level of from about 25 to about 550 cc per pound of resin.
Claim 22
Dependent Claim
18 words
A method in accordance with claim 12 which further comprises adding a solvent to said acid treated resin.
Claim 23
Dependent Claim
54 words
A method in accordance with claim 20 wherein said solvent is selected from the group consisting of turpentine, mineral spirits and short chain esters having a straight or branched chain aliphatic acid moiety of from 2 to 6 carbons and a straight or branched chain, aliphatic alcohol moiety and from 2 to 6 carbons.
Claim 24
Dependent Claim
29 words
A method in accordance with claim 20 wherein said solvent is present at a level of from about 30 to about 300 cc per pound of acid treated resin.
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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) | 1980-08-29 | 1981-02-28 | 1981-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-29 | 1985-02-28 | 1985-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-29 | 1989-02-28 | 1989-08-30 | $7700.00 | Window Closed / Lapsed |