Patent · US Expired

Process for decolorizing N-containing polymers

US5618910A · kind A · utility

2Cited by

8References

20Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Torsten Groth · Reinbek, DE
Winfried Joentgen · Neunburg vorm Wald, DE
Lutz Heuer · Blomberg, DE
Gerd Schmitz · Leverkusen, DE

Key dates

Filing date	Aug 4, 1995
Grant date	Apr 8, 1997
Priority date	—
Expiry date	Aug 4, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G73/0611
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

N-containing polymers having repeating succinyl units are decolorized using activated hydrogen.

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