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. 14, 1997
Filed:
Nov. 14, 1995
Francis Brion, Gagny, FR;
Jean Buendia, Perreux Sur Marne, FR;
Christian Diolez, Palaiseau, FR;
Michel Vivat, Lagny Sur Marne, FR;
Other;
Abstract
A compound having a formula ##STR1## in which K is defined as above, C--P being CH.sub.2 or --C.dbd.CH.sub.2 or ##STR2## and J is --SO.sub.2 R.sub.2, or C--P is C.dbd.O and J is --CH.sub.2 Hal.sub.2, or C--P is --CH SO.sub.2 R.sub.2 and J is CO.sub.2 R or Hal.sub.1, R.sub.2 is methyl, phenyl, tolyl or xylyl, R is alkyl of 1 to 6 carbon atoms, aralkyl of 7 to 15 is carbon atoms or a silylated remainder selected from the group consisting of trimethylsilyl, tert.-butyldimethylsilyl, triphenylsilyl and diphenyltert.-butylsilyl, Hal.sub.1 is halogen, Hal.sub.2 is chlorine, bromine or iodine and the wavy lines symbolize any one of the isomer forms or their mixtures which are intermediates.