Modified chitin for biocompatible dialysis membranes III and pro

Details Modified chitin for biocompatible dialysis membranes III and pro Modified chitin for biocompatible dialysis membranes III and pro

1990-10-19

1992-03-03

Page, Thurman K.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 20, 536 30, 536 32, 536 33, 536 34, 536 43, 536 44, 536 56, 536 58, 536 59, 536 62, 536 63, 536 64, 536 65, 536 66, 536 67, 536 68, 536 69, 536 84, 536 90, 536 91, 536 92, 536 93, 536 95, 536 96, 536 98, 536100, 536101, C08B 3708, C08B 102, C08B 316, C08B 1102

Patent

active

050934880

ABSTRACT:
A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case of chitin, R' is CH.sub.3 and/or C.sub.2 H.sub.5 and/or C.sub.3 H.sub.7, X denotes specified functional groups, R" is H or R, R"' denotes R, x+t=0.75 to 2.85, t=0 to 2.85, x=0 to 2.85, and r=0 to 1. A process for preparation of the cellulose and/or chitin derivatives is also disclosed.

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