Compounds and compositions useful as surfactants and methods for their preparation
US6576736B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2002 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Mar 6, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Products of the reaction betweenI) the reaction product of reactants comprisingA) a linking agent of formula IR4(Y)3  (I) wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups represent an oxygen atom, which is attached to two adjacent carbon atoms in the R4 group to form an epoxy group, and R4 is an alkanetriyl group containing from 3 to 10 carbon atoms; andB) a compound formula IIR3(EO)n(PO)m(BO)pX  (II) wherein R3 is a substituted or unsubstituted, saturated or unsaturated, aliphatic or araliphatic oxy or thio group having from 1 to 36 carbon atoms or a secondary amino group having from 2 to 36 carbon atoms; n is a number of from 0 to 50; m is a number of from 0 to 50; p is a number of from 0 to 50; and X is hydrogen, or X can be a mercapto group or an amino group in place of a terminal —OH group, provided that when X is mercapto or amino; the sum of n, m, and p must be at least 1; and the mole ratio of A:B is from about 0.2:1 to about 5:1; andII) a reactant selected from the group consisting of an epoxy compound, an isocyanate, a phosphate compound, a sulfate compound, an organic acid, an acrylate, and…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.