Patents by Inventor Milda Yanovna Pormale

Milda Yanovna Pormale has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Local anaesthetic
    Patent number: 3978215
    Abstract: A local anaesthetic which comprises as active ingredient a high-molecular weight derivative of the hydrochloride of the 2-diethylaminoethyl ester of p-aminobenzoic acid of the following general formula: ##SPC1##Where x is the degree of substitution from 0.6 to 1.0 and n is the degree of polymerization from 40 to 120 -- combined with a pharmaceutical solvent or an ointment base.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: August 31, 1976
    Inventors: Yan Shuster, Valdis Danielovich Mikazhan, Milda Yanovna Pormale, Nadezhada Alexandrovna Kashkina, Arvid Yanovich Kalninsh
  • High-molecular derivative of 2-dimethylaminoethyl ester of p-butylaminobenzoic acid, method for preparing same and application thereof
    Patent number: 3973007
    Abstract: 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.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: August 3, 1976
    Inventors: Milda Yanovna Pormale, Nadezhda Alexandrovna Kashkina, Elfrida Indrikovna Veinberg, Arvid Yanovich Kalninsh, Janis Shusters, Valdis Danielovich Mikazhans, Indulis Valdovich Purvinsh, Antons Petrovich Skutelis
  • Salt of b-diethylaminoethyl ester of p-aminobenzoic acid with acetal of polyvinyl alcohol and glyoxalic and method of preparing same
    Patent number: 3943150
    Abstract: 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 from 5 to 30 mol.%. The compound has local anaesthetic properties.A method of preparing said salt of .beta.-diethylaminoethyl ester of p-aminobenzoic acid and the acetal of polyvinyl alcohol and glyoxalic acid which comprises reacting the acetal of polyvinyl alcohol and glyoxalic acid with .beta.-diethylaminoethyl ester of p-aminobenzoic acid in an aqueous medium, followed by isolating the desired product from the resulting solution.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: March 9, 1976
    Inventors: Nadezhda Alexandrovna Kashkina, Milda Yanovna Pormale, Arvid Yanovich Kalnish, Yan Alexandrovich Surna