EP0208041A2
Expired / Lapsed
EP
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Dispersant containing composition
Assignee: Lubrizol Corp
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Filing: 1985-12-23
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Granted: —
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Expires: 2005-12-23
Abstract
Abstract A composition comprising a finely-divided non-magnetic solid and a dispersant comprising a poly(C 2 alkyleneinminel carrying at least two mono- or poly-[carbonyl-C 1-7 -alkyleneoxy) groups, a dispersion of the composition in an organic medium and a dispersant comprising a poty(C 2-4 -alkyleneimine) carrying at least two carbonyl-C 1-7 -alkyleneoxy groups.
Inventors
- 👤 Frederick Campbell
- 👤 John Martin Geary
- 👤 John David Schofield
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 02:27
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; A; A01; A01N; A01N25/00; A01N25/02; A01N25/04; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0085; C09B67/009; C09D17/00; C09D17/002; C09K; C09K23/00; C09K23/16
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
25 words
A composition comprising a finely-divided non-magnetic solid and a dispersant comprising a poly(C 2-4 -alkyleneimine) carrying at least two mono- or poly-(carbonyl-C 1-7 -alkyleneogy) groups.
Claim 2
Dependent Claim
25 words
A composition comprising a finely-divided non-magnetic solid and a dispersant comprising a poly(C 2-4 -alkyleneimine) carrying at least two mono- or poly-(carbonyl-C 1-7 -alkyleneogy) groups.
Claim 3
Dependent Claim
39 words
A composition according to Claim 1 wherein the solid is selected from pigments, extenders, fillers, disperse dyes, optical brightening agents, textile auxiliaries, oil-based and invert-emulsion drilling mud solids, dirt and soil particles, particulate ceramic materials, biocides, agrochemicals and pharmaceuticals.
Claim 4
Dependent Claim
18 words
A composition according to Claim 1 or Claim 2 wherein the solid is dispersed in an organic medium.
Claim 5
Dependent Claim
41 words
A composition according to Claim 4 wherein the organic medium is a polar organic medium selected from alcohols, dialkyl- and cycloalkyl-ketones, alkyl esters of alkanecarboxylic acids, dialkyl-and cycloalkyl-ethers containing up to 6 carbon atoms, polyester and polyamide resins and cellulose ethers.
Claim 6
Dependent Claim
61 words
A composition according to any one of Claims 1 to 4 wherein the dispersant is a compound of the formula: wherein X - *-*- X represents a poly(C2-4-alkyleneimine) (PAI); Z represents a mono(carbonylalkyleneoxy) (CAO) group or a poly(carbonyl-C 1-7 -alkyleneoxy) (PCAO) group linked to the PAI through an amide or salt link; and p is a number from 2 to 2000.
Claim 7
Dependent Claim
42 words
A composition according to Claim 5 wherein the CAO and PCAO groups are of the formula: wherein T is H or a terminal chain stopping group; V is a C 1-7 -alkylene group; and n is a number from 1 to 100.
Claim 8
Dependent Claim
65 words
A dispersant comprising a poly(C 2-4 -alkyleneimine) (PAI) carrying at least two CAO groups of the formula: wherein T is H or a terminal chain stopping group; and V is a C l-7 -alkylene group; each CAO group being linked to the PAI through an amide or salt link between the terminal carbonyl group on the CAO group and a nitrogen atom in the PAI.
Claim 9
Dependent Claim
65 words
A dispersant comprising a poly(C 2-4 -alkyleneimine) (PAI) carrying at least two CAO groups of the formula: wherein T is H or a terminal chain stopping group; and V is a C l-7 -alkylene group; each CAO group being linked to the PAI through an amide or salt link between the terminal carbonyl group on the CAO group and a nitrogen atom in the PAI.
Claim 10
Dependent Claim
21 words
A dispersant according to Claim 7 wherein the PAI is a poly(ethyleneimine) having a weight-average molecular weight from 500 to 600,000.
References Cited (Backward Citations)
No citation records indexed.
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