Copolymer-1 improvements in compositions of copolymers

Details Copolymer-1 improvements in compositions of copolymers Copolymer-1 improvements in compositions of copolymers

2005-09-06

2005-09-06

Krass, Fred (Department: 1614)

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

C424S078370, C424S078170, C424S078260, C424S078290, C514S002600, C514S012200, C514S561000, C514S903000, C525S420000, C525S434000, C525S435000, C528S328000

Reexamination Certificate

active

06939539

ABSTRACT:
The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

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