Patent · US Expired

Insoluble polymers which can swell only slightly with modified amino groups, processes for their preparation, and their use

US6133392A · kind A · utility

2Cited by

5References

7Claims

0Family size

Assignee

BASF SE

Inventors

Jens Utecht · Neulußheim, DE
Martin Rubenacker · Altrip, DE
Claudia Nilz · Rödersheim-Gronau, DE
Rainer Rahm · Ludwigshafen, DE

Key dates

Filing date	Mar 11, 1999
Grant date	Oct 17, 2000
Priority date	—
Expiry date	Mar 11, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F8/00
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An insoluble, only slight swellable, polymer having modified amino groups, which contain units of the formulae: ##STR1## or both (I) and (II), wherein R.sup.1, R.sup.2, R.sup.3 and Me are as defined herein.

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