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, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Gerold Braun, Ludwigshafen, DE;
Chung-Ji Tschang, Bad Durkheim, DE;
Christos Vamvakaris, Kallstadt, DE;
Klaus Glaser, Mutterstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544-2 ; 546339 ; 546248 ; 546102 ; 546151 ; 546182 ; 544109 ; 544336 ; 544235 ; 544283 ; 544353 ; 544 90 ; 544105 ; 544224 ; 544335 ; 544392 ; 544403 ; 544358 ; 544 88 ; 544158 ; 548378 ; 548574 ; 548341 ; 548217 ; 548241 ; 548333 ; 548372 ; 548215 ; 548240 ; 548300 ; 548356 ; 558 27 ;
Abstract
Sulfatobetaines are prepared by reacting an addition compound of sulfur trioxide and a tertiary amine with an alkylene carbonate.