Patent ID: 11891522
Assignee: OMYA INTERNATIONAL AG
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 34:
35. The process according to claim 34, wherein in the compound of formula (1a):
R1CO is selected from the group consisting of a saturated or unsaturated, linear or branched acyl group having from 12 to 24 carbon atoms;
R2 represents an alkylene radical having from 1 to 20 carbon atoms;
R3 represents a hydrocarbyl group having from 8 to 24 carbon atoms;
R4 represents a hydrocarbyl group having from 1 to 4 carbon atoms;
AO is an alkyleneoxy group having 2 to 4 carbon atoms;
X is an anion derived from an alkylating agent R4X, wherein X represents halogen, sulphate or carbonate;
x is a number within the range from 1 to 15;
p is a number within the range from 1 to 15; and
t is 0 or 1.