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. 18, 1987
Filed:
Jun. 24, 1985
Applicant:
Inventors:
Detlef Ballschuh, Berlin, DD;
Horst Seibt, Berlin, DD;
Jochen Rusche, Berlin, DD;
Roland Ohme, Berlin, DD;
Assignee:
Akademie der Wissenschaften der DDR, Berlin, DD;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
26050112 ; 252554 ;
Abstract
Novel 2-substituted 3-sulfo propyl-ammonium betaines are disclosed which have the formula ##STR1## and which are obtained in accordance with the invention by reacting allyl-or methallyl ammonium salt with hydrogen sulfite in the pH-value- of 2,0 to 4,0 in the presence of a peroxo disulfates, if need be, in combination with other oxidation agents in watery solution. The novel compounds are useable in a wide pH-value effective tensides or may be used as reactive intermediary products.