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US4599114A Expired / Lapsed US ⏱️ 0.0 years remaining

Treatment of titanium dioxide and other pigments to improve dispersibility

Assignee: Individual
•
Filing: 1985-02-11
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Granted: 1986-07-08
•
Expires: 2005-02-11
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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 2026-10-25 11:17
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3669; C08; C08K; C08K9/00; C08K9/04; 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: 35
Claim 1
Independent Claim 65 words
The composition comprising titanium dioxide 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 65 words
The composition comprising titanium dioxide 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 13 words
The composition of claim 1 wherein the surfactant further contains a carrier medium.
Claim 10
Dependent Claim 26 words
The composition of claim 8 wherein the surfactant consists of the reaction product of: a Fatty Diamine, a Glycol, a Carboxylic Acid, and a Fatty Acid.
Claim 11
Dependent Claim 24 words
The composition of claim 9 wherein the surfactant consist of the reaction product of: Formic Acid, Oleic Acid, Propylene Glycol, and a Tallow Diamine.
Claim 12
Dependent Claim 27 words
The composition of claim 10 wherein the surfactant consists of 1 equivalent of Formic Acid, 1 equivalent of Oleic Acid, and 2 equivalents of a Tallow Diamine.
Claim 13
Dependent Claim 52 words
A surfactant for treating pigments such as titanium dioxide, carbon black, organic pigments, inert pigments and the like to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 14
Dependent Claim 52 words
A surfactant for treating pigments such as titanium dioxide, carbon black, organic pigments, inert pigments and the like to improve their dispersibility in resin mediums, plastic mediums, paper making compositions, reinforced plastic composite compositions and the like consisting of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 15
Dependent Claim 15 words
The surfactant of claim 12 wherein the Carboxylic Acid has less than 8 carbon atoms.
Claim 16
Dependent Claim 16 words
The surfactant of claim 13 wherein the Carboxylic Acid has from 1 to 4 carbon atoms.
Claim 17
Dependent Claim 16 words
The surfactant of claim 12 wherein the Fatty Acid has from 8 to 24 carbon atoms.
Claim 18
Dependent Claim 16 words
The surfactant of claim 15 wherein the Fatty Acid has from 12 to 18 carbon atoms.
Claim 19
Dependent Claim 20 words
The surfactant of claim 12 wherein the Diamine is selected from the group consisting of Fatty Diamines and Ether Diamines.
Claim 20
Dependent Claim 19 words
The surfactant of claim 17 wherein the Fatty Diamines and Ether Diamines have from 8 to 24 carbon atoms.
Claim 21
Dependent Claim 10 words
The surfactant of claim 12 further containing a carrier medium.
Claim 22
Dependent Claim 23 words
The surfactant of claim 19, consisting of the reaction product of: a Fatty Diamine, a Glycol, a Carboxylic Acid, and a Fatty Acid.
Claim 23
Dependent Claim 20 words
The surfactant of claim 20 consisting of the reaction product of: Formic Acid, Oleic Acid, Propylene Glycol, a Fatty Diamine.
Claim 24
Dependent Claim 25 words
The surfactant of claim 21 consisting of 1 equivalent of Formic Acid, 1 equivalent of a Oleic Acid, and 2 equivalents of a Tallow Diamine.
Claim 25
Dependent Claim 50 words
A process for treating titanium dioxide pigments with a dispersing agent in order to improve their dispersibility in organic and aqueous media, the improvement comprising utilizing a surfactant as the dispersing agent wherein the surfactant consists of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 26
Dependent Claim 50 words
A process for treating titanium dioxide pigments with a dispersing agent in order to improve their dispersibility in organic and aqueous media, the improvement comprising utilizing a surfactant as the dispersing agent wherein the surfactant consists of the reaction product of: a Diamine, a Carboxylic Acid, and a Fatty Acid.
Claim 27
Dependent Claim 15 words
The process of claim 23 wherein the Carboxylic Acid has less than 8 carbon atoms.
Claim 28
Dependent Claim 16 words
The process of claim 24 wherein the Carboxylic Acid has from 1 to 4 carbon atoms.
Claim 29
Dependent Claim 16 words
The process of claim 23 wherein the Fatty Acid has from 8 to 24 carbon atoms.
Claim 30
Dependent Claim 16 words
The process of claim 26 wherein the Fatty Acid has from 12 to 18 carbon atoms.
Claim 31
Dependent Claim 20 words
The process of claim 23 wherein the Diamine is selected from the group consisting of Fatty Diamines and Ether Diamines.
Claim 32
Dependent Claim 19 words
The process of claim 28 wherein the Fatty Diamines and Ether Diamines have from 8 to 24 carbon atoms.
Claim 33
Dependent Claim 26 words
The process of claim 23 wherein the surfactant consists of the reaction product of: a Fatty Diamine, a Glycol, a Carboxylic Acid, and a Fatty Acid.
Claim 34
Dependent Claim 20 words
The process of claim 30 wherein the surfactant consists of: Formic Acid, Oleic Acid, Propylene Glycol, and a Fatty Diamine.
Claim 35
Dependent Claim 31 words
The process of claim 31 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.

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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) 1989-07-07 1990-01-06 1990-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-07-07 1994-01-06 1994-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-07-07 1998-01-06 1998-07-08 $7700.00 Window Closed / Lapsed

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