Biodegradable vinylpyrrolidone polymers, their manufacture and u

Details Biodegradable vinylpyrrolidone polymers, their manufacture and u Biodegradable vinylpyrrolidone polymers, their manufacture and u

1978-12-28

1981-03-03

Hamrock, William F.

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

Synthetic resins

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

424 80, 525361, 525374, 525386, 525452, 525453, 526358, 525336, A61K 3179

Patent

active

042542391

ABSTRACT:
High molecular weight products based on N-vinylpyrrolidone, in which blocks of vinylpyrrolidone polymers or vinylpyrrolidone copolymers are linked by connecting units carrying ester, amide, urethane or urea groups, as a result of which these high molecular weight products are biodegradable and may be used as plasma substitutes, and the plasma substitutes thus obtained.

REFERENCES:
patent: 3216983 (1965-11-01), Shelanski et al.
patent: 3931111 (1976-01-01), Kopecek et al.
patent: 4053696 (1977-10-01), Hirrle et al.

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