IP Library Granted Patent US 12703769
Granted Patent B2
US 12703769 · App. 18/039,297 · Granted Aug 11, 2026

Rheology control agent

Inventors: Dominika Chajda (Wesel, DE); René Nagelsdiek (Hamminkeln, DE); Vera Leonhard (Mettman, DE); Heribert Holtkamp (Wesel, DE)
Assignee: BYK-Chemie GmbH
C08G18/8064C08K5/205C08K5/21C09D5/024C09D5/04C09D7/44C09D175/04
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12703769
App. No.
18/039,297
Granted
Aug 11, 2026
Kind
B2
Abstract

The invention relates to a composition comprising a mixture of compounds according to formula (I) wherein IC1 and IC2 independently of one another and of each occurrence represent a hydrocarbyl group, AM independently of each occurrence represents a hydrocarbyl group, m is the average number of repeating units from 0 to 20, RP1 and RP2 independently of one another and of each occurrence represent an organic group selected from RP3, RP4, RP5, wherein RP3 represents a hydrocarbyl group, RP4 represents an organic group according to formula (II) RP41-(AO) n - wherein RP41 represents a hydrocarbyl group having 1 to 24 carbon atoms, AO represents an alkylene oxide repeating unit and n is the average number of repeating units from 6 to 30, RP5 represents an organic group according to formula (III) RP51-(AO) p - wherein RP51 represents a hydrocarbyl group having 1 to 24 carbon atoms, AO represents an alkylene oxide repeating unit and p is the average number of repeating units from 1 to 5, wherein the mixture comprises compounds of formula (I) wherein (A) RP1 is RP3 and RP2 is RP4, (B) RP1 is RP4 and RP2 is RP5, (C) RP1 is RP3 and RP2 is RP5.

Claims (76)

1 . A composition comprising a mixture of compounds according to formula (I)

wherein IC1 and IC2 independently of one another and of each occurrence represent a hydrocarbyl group,

AM independently of each occurrence represents a hydrocarbyl group,

m is the average number of repeating units from 0 to 20,

RP1 and RP2 independently of one another and of each occurrence represent an organic group selected from RP3, RP4, RP5,

wherein RP3 represents a hydrocarbyl group,

RP4 represents an organic group according to formula (II)

RP41-(AO) n -  (II)

wherein RP41 represents a hydrocarbyl group having 1 to 24 carbon atoms,

AO represents an alkylene oxide repeating unit and

n is the average number of repeating units from 6 to 30,

RP5 represents an organic group according to formula (III)

RP51-(AO) p -  (III)

wherein RP51 represents a hydrocarbyl group having 1 to 24 carbon atoms,

AO represents an alkylene oxide repeating unit and

p is the average number of repeating units from 1 to 5,

wherein the mixture comprises compounds of formula (I) wherein

(A) RP1 is RP3 and RP2 is RP4,

(B) RP1 is RP4 and RP2 is RP5,

(C) RP1 is RP3 and RP2 is RP5.

2 . The composition according to claim 1 wherein m is the average number of repeating units from 0 to 5.

3 . The composition according to claim 1 wherein RP3 represents a hydrocarbyl group having 6 to 24 carbon atoms.

4 . The composition according to claim 1 wherein the n AO repeating units in RP4 comprise 70 to 100 mol % ethylene oxide repeating units, calculated on the number of AO repeating units in RP4.

5 . The composition according to claim 1 wherein RP51 represents a hydrocarbyl group having 1 to 8 carbon atoms.

6 . The composition according to claim 1 wherein the p AO repeating units in RP5 comprise 95 to 100 mol % of ethylene oxide repeating units, calculated on the number of AO repeating units in RP5.

7 . The composition according to claim 1 wherein the mixture of compounds of formula (I) further comprises compounds wherein

(D) RP1 is RP3 and RP2 is RP3

(E) RP1 is RP4 and RP2 is RP4

(F) RP1 is RP5 and RP2 is RP5.

8 . The composition according to claim 1 comprising

at least 12% by weight of compound (A)

at least 9% by weight of compound (B)

at least 10% by weight of compound (C),

calculated on the total weight of compounds according to formula (I).

9 . The composition according to claim 1 comprising

12 to 33% by weight of compound (A)

9 to 35% by weight of compound (B)

10 to 30% by weight of compound (C),

calculated on the total weight of compounds according to formula (I).

10 . The composition according to claim 7 comprising

at least 4% by weight of compound (D)

at least 6% by weight of compound (E)

at least 4% by weight of compound (F),

calculated on the total weight of compounds according to formula (I).

11 . The composition according to claim 1 comprising

26 to 55 mol % of RP3

22 to 35 mol % of RP4

22 to 45 mol % of RP5,

calculated on the sum of RP3, RP4 and RP5.

12 . The composition according to claim 1 wherein the composition comprises one or more salts.

13 . The composition according to claim 1 wherein the composition comprises one or more diluents.

14 . A liquid composition comprising a diluent and the composition according to claim 1 .

15 . The liquid composition according to claim 14 comprising a binder.

16 . A method of controlling the rheology of a liquid composition, the method comprising:

mixing a liquid composition with a rheology control composition,

the rheology control composition comprising a mixture of compounds according to formula (I)

wherein IC1 and IC2 independently of one another and of each occurrence represent a hydrocarbyl group,

AM independently of each occurrence represents a hydrocarbyl group,

m is the average number of repeating units from 0 to 20,

RP1 and RP2 independently of one another and of each occurrence represent an organic group selected from RP3, RP4, RP5,

wherein RP3 represents a hydrocarbyl group,

RP4 represents an organic group according to formula (II)

RP41-(AO) n -  (II)

wherein RP41 represents a hydrocarbyl group having 1 to 24 carbon atoms,

AO represents an alkylene oxide repeating unit and

n is the average number of repeating units from 6 to 30,

RP5 represents an organic group according to formula (III)

RP51-(AO) p -  (III)

wherein RP51 represents a hydrocarbyl group having 1 to 24 carbon atoms,

AO represents an alkylene oxide repeating unit and

p is the average number of repeating units from 1 to 5,

wherein the mixture comprises compounds of formula (I) wherein

(A) RP1 is RP3 and RP2 is RP4,

(B) RP1 is RP4 and RP2 is RP5,

(C) RP1 is RP3 and RP2 is RP5.

17 . A coated article, wherein at least a part of the surface of the article is coated with the liquid composition according to claim 14 .