Polyethylene-protein conjugates
First Claim
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1. A physiologically active protein conjugate of the formula ##STR10## wherein R is lower alkyl;
- R2 is O;
R3 is S; and
m and n are selected from any combination of numbers such that the molecular weight of the conjugate excluding the protein is from 300 to 30,000 daltons and the conjugate has at least a portion of the biological activity of the protein which forms the conjugate.
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Abstract
The present invention is a physiologically active, substantially non-immunogenic water soluble polyethylene glycol protein conjugate having the same utility as the protein which forms the conjugate, without having the same properties of producing an immunogenic response possessed by the protein which forms this conjugate.
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Citations
5 Claims
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1. A physiologically active protein conjugate of the formula ##STR10## wherein R is lower alkyl;
- R2 is O;
R3 is S; and m and n are selected from any combination of numbers such that the molecular weight of the conjugate excluding the protein is from 300 to 30,000 daltons and the conjugate has at least a portion of the biological activity of the protein which forms the conjugate. - View Dependent Claims (2, 3, 4, 5)
- R2 is O;
Specification