Patent · US Expired

Preparation of polysulfide compositions

US6939941B2 · kind B2 · utility

13Cited by
1References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2002
Grant dateSep 6, 2005
Priority date
Expiry dateAug 27, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G75/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process is provided for the manufacture of liquid polysulfide polymers. In particular, the process allows for making the liquid form of the polysulfide polymer directly and eliminates the need to first make a solid polysulfide polymer and then convert it to a liquid.

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