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:
Aug. 08, 1978
Filed:
Oct. 05, 1976
Applicant:
Inventors:
Horst Pennewiss, Darmstadt-Neu-Kranichstein, DE;
Hermann Plainer, Darmstadt, DE;
Peter Quis, Darmstadt-Neu-Kranichstein, DE;
Hans Trabitzsch, Seeheim, DE;
Juergen Masanek, Pfungstadt, DE;
Juergen Jakob, Lorsch, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
20415923 ; 9611 / ; 526208 ; 526213 ; 526303 ;
Abstract
A method for polymerizing or copolymerizing water-soluble monomers, in a layer thickness between 2 and 100 mm, and at a temperature between 0.degree. C. and 100.degree. C., by irradiation with ultraviolet light in the presence of atmospheric oxygen, wherein the material to be polymerized contains at least 1 ppm of a water-soluble anthraquinone unsubstituted in the 1,4,5, and 8-positions and at least 10 ppm of dissolved chloride ions.