Patent · US Expired

Process for the preparation of fluorinated monomers

US5432259A · kind A · utility

5Cited by

2References

9Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Thomas Schottle · Burghausen, DE
Klaus Hintzer · Woodbury, US
Hans J. Staudt · Haiming, DE
Herbert Weber · Backnang, DE

Key dates

Filing date	Oct 4, 1994
Grant date	Jul 11, 1995
Priority date	—
Expiry date	Oct 4, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/367
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The pyrolysis of fluorine polymers leads to a high yield of pure fluorinated monomers if the finely divided polymer is introduced, with steam, into a fluidized bed reactor which contains an inert, granular material as the fluidized material, the steam functioning as the fluidizing gas.

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