Crosslinked nitrogen-containing vinyl copolymers processes for t

Details Crosslinked nitrogen-containing vinyl copolymers processes for t Crosslinked nitrogen-containing vinyl copolymers processes for t

1995-05-30

1997-05-20

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253284, 525355, 525368, 525369, 528481, C08F 842

Patent

active

056313268

ABSTRACT:
Crosslinked, nitrogen-containing vinyl copolymers having units of the formula I ##STR1## and physiologically tolerated salts thereof, in which, in formula I, A1, A2, R, w, x, y and z have the meanings given, a process for their preparation and the use of the compounds as medicaments, active compound carriers and foodstuff auxiliaries are described.

REFERENCES:
patent: 3558581 (1971-01-01), Beermann
patent: 4238579 (1980-12-01), Leonard
patent: 4421602 (1983-12-01), Brunnmueller et al.
patent: 4444667 (1984-04-01), Burkert et al.
patent: 4774285 (1988-09-01), Pfohl et al.
patent: 4880497 (1989-11-01), Pfhol et al.
patent: 4978427 (1990-12-01), Pfohl et al.
Derwent 91-274735/38 which relates to DE A-4007-312.
Patent Abstracts of Japan, vol. 10, No. 208 (C-361) (2264), Jul. 22, 1986.
Dissertation of Thomas Fisher, Marburg, Apr. 1992.

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