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:
Jun. 02, 1981
Filed:
Mar. 13, 1980
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544 87 ; 26032656 ; 2603 / ; 544174 ; 544175 ; 544357 ; 544399 ; 546190 ; 546237 ; 564342 ; 564344 ; 564345 ;
Abstract
Compounds of the formula I ##STR1## wherein Ar.sup.1 and Ar.sup.2 represent unsubstituted or substituted phenyl, R.sup.1 represents hydrogen, alkyl, alkoxy, hydroxyalkyl, allyl, benzyl or a group --O--R.sup.2 -NR.sup.3 R.sup.4, R.sup.2 represents alkylene and --NR.sup.3 R.sup.4 is an open chain or cyclic organic amino group, are effective initiators for the photopolymerization of unsaturated compounds or for the photocrosslinking of polyolefins. They can be obtained by different methods which are in themselves known, in particular by reaction of the corresponding haloalkyl ethers or haloalkyl ketals with primary or secondary amines.