The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1992
Filed:
Dec. 12, 1991
Applicant:
Inventors:
Dayton T Reardan, Hercules, CA (US);
Dane A Goff, Menlo Park, CA (US);
Assignee:
Xoma Corporation, Berkeley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
528 68 ; 528 69 ; 435181 ; 530405 ; 564 51 ; 564149 ; 564159 ; 564163 ; 564443 ; 564 50 ;
Abstract
Macromolecular species such as enzymes, proteins, drugs, and solid supports which contain reactive carbonyl, groups or groups which are readily converted to reactive carbonyl groups are modified by reaction with a compound of the formula ##STR1## in which R.sup.1 is H, C.sub.1 -C.sub.20 alkyl, phenyl, (C.sub.1 -C.sub.10 alkyl)-substituted phenyl, or phenyl-substituted C.sub.1 -C.sub.10 alkyl; R.sup.2 is C.sub.2 -C.sub.5 alkylene or (C.sub.1 -C.sub.4 alkoxy)-substituted C.sub.2 -C.sub.5 alkylene; R.sup.3 is ##STR2## R.sup.4 is H or C.sub.1 -C.sub.4 alkyl; n is at least 5; and m is zero or 1.