Patent · US Expired

Catalyst for a process for producing silicones

US4450282A · kind A · utility

20Cited by
6References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1981
Grant dateMay 22, 1984
Priority date
Expiry dateJul 29, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J23/72
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An improved direct process for producing organohalosilanes and particularly diorganodihalosilanes from silicon metal and an organohalide comprising contacting the two reactants in the presence of a partially oxidized copper catalyst having a surface area of at least 3.5 m.sup.2 /gm and wherein 100% of the particles are less than 35 microns in size and wherein 100% of the particles are over 0.7 microns in size.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.