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:
Jan. 24, 1978
Filed:
Jan. 28, 1975
Applicant:
Inventors:
Dieter Kraemer, Mainz, DT;
Klaus Lehmann, Rossdorf via Darmstadt, DT;
Horst Pennewiss, Darmstadt-Neu-Kranichstein, DT;
Hermann Plainer, Darmstadt, DT;
Roland Schweder, Darmstadt-Eberstadt, DT;
Assignee:
Rohm GmbH, Darmstadt, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 526261 ; 526264 ; 526273 ; 526303 ; 526320 ; 526909 ; 526910 ; 528493 ; 195 63 ; 195D / ; 260 / ; 260 / ; 260-8 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 424 81 ; 526203 ; 526219 ; 526220 ; 526232 ; 526260 ;
Abstract
Water-swellable, cross-linked, bead copolymers of (A) an ethylenically unsaturated monomer having a carboxylic acid anhydride, glycidyl or succinimide group, (B) a comonomer having at least two radical-polymerizable carbon double bonds, and (C) a radical-polymerizable water-soluble comonomer are disclosed to be excellent carriers capable of bonding with biologically active substances such as enzymes, enzyme substrates, inhibitors, hormones, antibiotics, antigens, and peptides.