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. 04, 1984
Filed:
Oct. 20, 1983
Applicant:
Inventors:
Marta Brendel nee Hajnoczki, Tiszavasvari, HU;
Imre Gulyas, Tiszavasvari, HU;
Istvan Gyoker, Tiszavasvari, HU;
Kalman Zsupan, Tiszavasvari, HU;
Istvan Csorvassy, Hajdunanas, HU;
Zoltan Salamon, Tiszavasvari, HU;
Gabor Somogyi, Tiszavasvari, HU;
Istvan Szentkiralyi, Tiszavasvari, HU;
Tibor Timar, Tiszavasvari, HU;
E Biro nee Czapary, Tiszavasvari, HU;
Istvan Fodor, Tiszavasvari, HU;
Janos Repasi, Tiszavasvari, HU;
Assignee:
Alkaloida Vegyeszeti Gyar, Tiszavasvari, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2605 / ; 562567 ; 260941 ;
Abstract
N-phosphonomethylglycine is prepared from glycine and parsformaldehyde to obtain an intermediate which is reacted with dialkylphosphite to obtain an ester of the desired compound which is then hydrolyzed.