Patent · US Expired

Polymers and processes thereof

US6093770A · kind A · utility

1Cited by
18References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 1998
Grant dateJul 25, 2000
Priority date
Expiry dateFeb 2, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/1133
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for the preparation of polymers which comprises generating a solution of water and polyvinyl alcohol with acetate groups; adding thereto a mixture of an alkali metal iodide and iodine; adding thereto initiator, and optional crosslinking agent; adding monomer, a mixture of monomers, or a monomer/polymer mixture; homogenizing, and polymerizing; and wherein there is formed an iodide/iodine/acetate complex prior to said polymerizing.

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