Hydrosilylation process
US5270424A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing organosilicon compounds having silicon-bonded groups containing olefinic unsaturation by reaction of a silicon compound having SiH groups with a diene having at least 5 carbon atoms and in which the unsaturation is located at the terminal carbon atoms. The process is carried out in the presence of a catalyst which has been prepared by reacting (i) an inorganic solid having surface reactive groups, (ii) an organosilicom compound having a group reactive with the inorganic solid and a group containing nitrogen and/or sulphur and (iii) a platinum compound or complex PtLb in which L is a ligand. Products have reduced content of isomers resulting from migration of double bond to internal position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.