US4741780A
Expired / Lapsed
US
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Treatment of titanium dioxide and other pigments to improve dispersibility
Assignee: Individual
•
Filing: 1986-06-23
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Granted: 1988-05-03
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Expires: 2006-06-23
Abstract
Abstract This invention is concerned with the treatment of particulate titanium dioxide and other pigments with a surfactant compound which serves to enhance its employment in pigmented and/or filled paints and plastics, paper making compositions and in reinforced plastic composite compositions.
Inventors
- 👤 George K. Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:20
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C09; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3669; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/80; C01P2004/82; C01P2004/84; C01P2006/00; C01P2006/12; C01P2006/22; C01P2006/60; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
64 words
A composition comprising pigment particles containing on their surfaces a surfactant, said surfactant being present on said surfaces in an amount sufficient to improve the dispersibility of said particles in a resin medium, a plastic medium, a paper making composition, or a reinforced plastic composite composition, wherein the surfactant consists of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 2
Dependent Claim
64 words
A composition comprising pigment particles containing on their surfaces a surfactant, said surfactant being present on said surfaces in an amount sufficient to improve the dispersibility of said particles in a resin medium, a plastic medium, a paper making composition, or a reinforced plastic composite composition, wherein the surfactant consists of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 3
Dependent Claim
15 words
The composition of claim 1 wherein the Carboxylic Acid has less than 8 carbon atoms.
Claim 4
Dependent Claim
16 words
The composition of claim 2 wherein the Carboxylic Acid has from 1 to 4 carbon atoms.
Claim 5
Dependent Claim
16 words
The composition of claim 1 wherein the Fatty Acid has from 8 to 24 carbon atoms.
Claim 6
Dependent Claim
16 words
The composition of claim 4 wherein the Fatty Acid has from 12 to 18 carbon atoms.
Claim 7
Dependent Claim
20 words
The composition of claim 1 wherein the Diamine is selected from the group consisting of Fatty Diamines and Ether Diamines.
Claim 8
Dependent Claim
19 words
The composition of claim 6 wherein the Fatty Diamines and Ether Diamines have from 8 to 24 carbon atoms.
Claim 9
Dependent Claim
26 words
The composition of claim 1 wherein the surfactant consists of the reaction product of: a Fatty Diamine, a Glycol, a Carboxylic Acid, and a Fatty Acid.
Claim 10
Dependent Claim
24 words
The composition of claim 8 wherein the surfactant consists of the reaction product of: Formic Acid, Oleic Acid, Propylene Glycol, and a Tallow Diamine.
Claim 11
Dependent Claim
30 words
The composition of claim 9 wherein the surfactant consists of reaction product of 1 equivalent of Formic Acid, 1 equivalent of Oleic Acid, and 2 equivalents of a Tallow Diamine.
Claim 12
Dependent Claim
24 words
The composition of claim 1 wherein the Diamine is an Imidazoline, the Carboxylic Acid is Formic Acid, and the Fatty Acid is Oleic Acid.
Claim 13
Dependent Claim
24 words
The composition of claim 1 wherein the Diamine is an Imidazoline, the Carobxylic Acid is Acetic Acid, and the Fatty Acid is Oleic Acid.
Claim 14
Dependent Claim
42 words
A surfactant for treating pigments such as titanium dioxide, to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of: reaction product of a Triamine, a Carboxylic Acid, and a Fatty Acid.
Claim 15
Dependent Claim
42 words
A surfactant for treating pigments such as titanium dioxide, to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of: reaction product of a Triamine, a Carboxylic Acid, and a Fatty Acid.
Claim 16
Dependent Claim
42 words
A surfactant for treating pigments such as titanium dioxide, to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of: reaction product of a Polyamine, a Carboxylic Acid, and a Fatty Acid.
Claim 17
Dependent Claim
42 words
A surfactant for treating pigments such as titanium dioxide, to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of: reaction product of a Polyamine, a Carboxylic Acid, and a Fatty Acid.
Claim 18
Dependent Claim
23 words
The composition of claim 1 wherein the surfactant consists of: reaction product of a Diamine, a Carboxylic Acid, and a Polymerized Fatty Acid.
Claim 19
Dependent Claim
15 words
The composition of claim 15 wherein the Polymerized Fatty Acid is a Dimer Oleic Acid.
Claim 20
Dependent Claim
15 words
The composition of claim 15 wherein the Polymerized Fatty Acid is a Trimer Oleic Acid.
Claim 21
Dependent Claim
13 words
The composition of claim 15 wherein the Polymerized Fatty Acid is Polycarboxystearic Acid.
Claim 22
Dependent Claim
22 words
The composition of claim 12 wherein the surfactant consist of: reaction product of A Diamine, a Dicarboxylic Acid and a Fatty Acid.
Claim 23
Dependent Claim
12 words
The composition of claim 19 wherein the Dicarboxylic Acid is Malonic Acid.
Claim 24
Dependent Claim
15 words
The process of claim 1 wherein the Carboxylic Acid has less than 8 carbon atoms.
Claim 25
Dependent Claim
16 words
The process of claim 21 wherein the Carboxylic Acid has from 1 to 4 carbon atoms.
Claim 26
Dependent Claim
16 words
The process of claim 1 wherein the Fatty Acid has from 8 to 24 carbon atoms.
Claim 27
Dependent Claim
16 words
The process of claim 23 wherein the Fatty Acid has from 12 to 18 carbon atoms.
Claim 28
Dependent Claim
20 words
The process of claim 1 wherein the Diamine is selected from the group consisting of Fatty Diamines and Ether Diamines.
Claim 29
Dependent Claim
19 words
The process of claim 25 wherein the Fatty Diamines and Ether Diamines have from 8 to 24 carbon atoms.
Claim 30
Dependent Claim
26 words
The process of claim 1 wherein the surfactant consists of the reaction product of: a Fatty Diamine, a Glycol, a Carboxylic Acid, and a Fatty Acid.
Claim 31
Dependent Claim
20 words
The process of claim 27 wherein the surfactant consists of: Formic Acid, Oleic Acid, Propylene Glycol, and a Fatty Diamine.
Claim 32
Dependent Claim
31 words
The process of claim 28 wherein the surfactant consists of the reaction product of 1 equivalent of Formic Acid, 1 equivalent of Oleic Acid, and 2 equivalents of a Tallow Diamine.
Claim 33
Dependent Claim
18 words
A surfactant consisting of the reaction product of: a Diamine, a Carboxylic Acid, and a Polymerized Fatty Acid.
Claim 34
Dependent Claim
18 words
A surfactant consisting of the reaction product of: a Diamine, a Carboxylic Acid, and a Polymerized Fatty Acid.
Claim 35
Dependent Claim
17 words
A surfactant consisting of the reaction product of: a Diamine, a Dicarboxylic Acid, and a Fatty Acid.
Claim 36
Dependent Claim
17 words
A surfactant consisting of the reaction product of: a Diamine, a Dicarboxylic Acid, and a Fatty Acid.
Claim 37
Dependent Claim
18 words
A surfactant consisting of the reaction product of a Diamine, a Dicarboxylic Acid, and a Polymerized Fatty Acid.
Claim 38
Dependent Claim
18 words
A surfactant consisting of the reaction product of a Diamine, a Dicarboxylic Acid, and a Polymerized Fatty Acid.
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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) | 1991-05-03 | 1991-11-02 | 1992-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-03 | 1995-11-02 | 1996-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-03 | 1999-11-02 | 2000-05-03 | $7700.00 | Window Closed / Lapsed |