ICI thickener composition and uses
US9550859B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2014 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Jan 1, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/58
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprising linked segments of: (a) a polyhydroxy segment derived from a compound independently selected an acyclic polyhydric alcohol having 4 to 6 carbon atoms and 4 to 6 reactive hydroxyl groups; a cyclic polyhydric alcohol having 4 to 6 carbon atoms and 4 to 6 reactive hydroxyl groups, a poly(hydroxyethyl) polyethyleneamine having 4 to 6 reactive hydroxyl groups and combinations thereof; (b) polyoxyalkylene segments wherein each hydroxyl group of the polyhydroxyl segment is linked to a polyoxyalkylene segment; (d) and aliphatic end segments or aromatic end segments, each end segment having 6 to 32 carbon atoms and a hydroxyl reactive group, wherein the mole ratio of the polyoxyalkylene segment to the polyhydroxy segment is at least 4:1 and the mole ratio of the aliphatic or aromatic end segment to the polyhydroxy segment is at least 0.25:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.