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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kashkina; Nadezhda Alexandrovna
Address:
Riga, SU
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
4005070 Polymer derivative of -diethylaminoethyl ester of p-aminobenzoic acid with celluloseglycolic aci January 25, 1977
A novel substance, viz., the salt of .beta.-diethylaminoethyl p-aminobenzoate with celluloseglycolic acid has the following general formula: ##STR1## WHERE X STANDS FOR THE DEGREE OF SUBSTITUTION RANGING FROM 75 TO 100n stands for the degree of polymerization ranging from 30 to 120.A
3973007 High-molecular derivative of 2-dimethylaminoethyl ester of p-butylaminobenzoic acid, method for August 3, 1976
The high-molecular weight derivative of the 2-dimethylaminoethyl ester of p-butylaminobenzoic acid having the formula ##EQU1## where x is the degree of substitution from 0.6 to 1.5 and n is the degree of polymerization from 30 to 120.
3943150 Salt of b-diethylaminoethyl ester of p-aminobenzoic acid with acetal of polyvinyl alcohol and gl March 9, 1976
A salt of .beta.-diethylaminoethyl ester of p-aminobenzoic acid with the acetal of polyvinyl alcohol and glyoxalic acid which has the formula: ##EQU1## wherein n is a degree of polymerization within the range of from 100 to 1,200; x is a degree of substitution within the range of fro










 
 
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