Patent US4475950A successfully refreshed from Google Patents.
US4475950A
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Printing ink compositions containing organophilic clay gellant
Assignee: Elementis Specialties Inc
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Filing: 1982-04-26
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Granted: 1984-10-09
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Expires: 2002-04-26
Abstract
Abstract Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant comprising the reaction product of a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound, benzyl trialkyl quaternary compound, and mixtures thereof, said quaternary being ammonium or phosphonium and wherein the alkyl groups contain 14 to 22 carbon atoms and the amount of said ammonium compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay based upon 100% active clay.
Inventors
- 👤 Claude M. Finlayson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:44
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
110 words
A printing ink comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant comprising the reaction product of a bentonite or hectorite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound and benzyl trialkyl quaternary compound, said quaternary being selected from ammonium and phosphonium and wherein each of the alkyl groups contains 12 to 22 carbon atoms and the amount of said quaternary compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis.
Claim 2
Dependent Claim
110 words
A printing ink comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant comprising the reaction product of a bentonite or hectorite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound and benzyl trialkyl quaternary compound, said quaternary being selected from ammonium and phosphonium and wherein each of the alkyl groups contains 12 to 22 carbon atoms and the amount of said quaternary compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis.
Claim 3
Dependent Claim
12 words
The printing ink of claim 1 wherein said clay is sodium bentonite.
Claim 4
Dependent Claim
18 words
The printing ink of claim 1 wherein each of said alkyl groups contains 16 or 18 carbon atoms.
Claim 5
Dependent Claim
22 words
The printing ink of claim 1 wherein said organophilic clay gellant comprises from 0.1% to 10% by weight of said printing ink.
Claim 6
Dependent Claim
22 words
The printing ink of claim 1 wherein said organophilic clay gellant comprises from 1.0% to 3.0% by weight of said printing ink.
Claim 7
Dependent Claim
142 words
A printing ink comprising an organic ink vehicle having dispersed therein an ink coloring pigment and an organophilic clay gellant comprising the reaction product of a swellable hectorite or sodium swellable bentonite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a quaternary compound represented by the formula: ##STR2## wherein X is nitrogen or phosphorus, wherein R 1 is CH 3 or C 6 H 5 CH 2 ; and R 2 , R 3 and R 4 is an alkyl group containing 12 to 22 carbon atoms and M - is selected from the group consisting of chloride, bromide, nitrite, hydroxyl, acetate, methyl sulfate and mixtures thereof; and wherein the amount of quaternary compound reacted with said clay is from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis.
Claim 8
Dependent Claim
142 words
A printing ink comprising an organic ink vehicle having dispersed therein an ink coloring pigment and an organophilic clay gellant comprising the reaction product of a swellable hectorite or sodium swellable bentonite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a quaternary compound represented by the formula: ##STR2## wherein X is nitrogen or phosphorus, wherein R 1 is CH 3 or C 6 H 5 CH 2 ; and R 2 , R 3 and R 4 is an alkyl group containing 12 to 22 carbon atoms and M - is selected from the group consisting of chloride, bromide, nitrite, hydroxyl, acetate, methyl sulfate and mixtures thereof; and wherein the amount of quaternary compound reacted with said clay is from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis.
Claim 9
Dependent Claim
30 words
The printing ink of Claim 6 wherein said organophilic clay comprises the reaction product of a sodium bentonite and methyl trihydrogenated tallow ammonium chloride or benzyl trihydrogenated tallow ammonium chloride.
Claim 10
Dependent Claim
23 words
The printing ink composition of Claim 6 wherein said organophilic clay gellant comprises from 0.1% to 10% by weight of said printing ink.
Claim 11
Dependent Claim
128 words
A process for preparing a printing ink, which comprises: (a) forming a dispersion of an ink coloring material with an organic ink vehicle; (b) preparing an organophilic clay gellant comprising the reaction product of a bentonite or hectorite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound and benzyl trialkyl quaternary compound, said quaternary being selected from ammonium or phosphonium, wherein each of the alkyl groups contains 12 to 22 carbon atoms, the amount of said ammonium compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis; and (c) dispersing said mixture to prepare a viscous printing ink.
Claim 12
Dependent Claim
128 words
A process for preparing a printing ink, which comprises: (a) forming a dispersion of an ink coloring material with an organic ink vehicle; (b) preparing an organophilic clay gellant comprising the reaction product of a bentonite or hectorite clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound and benzyl trialkyl quaternary compound, said quaternary being selected from ammonium or phosphonium, wherein each of the alkyl groups contains 12 to 22 carbon atoms, the amount of said ammonium compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay, 100% active clay basis; and (c) dispersing said mixture to prepare a viscous printing ink.
Claim 13
Dependent Claim
11 words
The process of claim 9 wherein said clay is sodium bentonite.
Claim 14
Dependent Claim
21 words
The process of claim 9 wherein said organophilic clay gellant comprises from 0.1% to 10% by weight of said printing ink.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |