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:
Dec. 29, 1981
Filed:
Dec. 31, 1980
Applicant:
Inventors:
Kurt H Pilgram, Modesto, CA (US);
Richard D Skiles, Modesto, CA (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
548127 ; 71 90 ; 564147 ; 564148 ;
Abstract
Spiro-.DELTA..sup.3 -1,2,3-thiadiazolines of the formula: ##STR1## wherein R.sub.F represents a perfluoroalkyl group having from 1 to 6 carbon atoms, each X and each Y is independently selected from the class consisting of hydrogen, halogens, lower alkyl, and halogen-substituted lower alkyl, Z is fluorine, chlorine, or bromine, p is an integer from 2 to 6, and n is either 1 or 2; and a method for the preparation of such compounds comprising the reaction of certain acylated perfluorinated aliphatic aldehyde hydrazones with a thionyl halide.