Copolymer-1 improvements in compositions of copolymers

CAFC
  • US 7,199,098 B2
  • Filed: 04/05/2005
  • Issued: 04/03/2007
  • Est. Priority Date: 05/24/1994
  • Status: Expired due to Term
First Claim
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1. A copolymer-1 composition comprising a mixture of copolymers of alanine, glutamic acid, lysine and tyrosine, the copolymer species in the mixture being non-uniform with respect to molecular weight and sequence, wherein over 75% of the copolymers in the mixture, on a molar fraction basis, have a molecular weight in the range of 2 kDa to 20 kDa and less than 5% of the copolymers have a molecular weight above 40 kDa, and wherein the composition is suitable for treating multiple sclerosis.

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