Patents by Inventor Abduvasit Kadyrov

Abduvasit Kadyrov 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).

  • N,N-bis-(decahydroquinolyl-N-methyl)imidazolin-2-thiones
    Patent number: 4287344
    Abstract: The present invention relates to novel derivatives of imidazolin-2-thione and a method of preparing same. These novel compounds comprise N,N'-bis-substituted imidazolin-2-thiones of the formula: ##STR1## wherein R.sub.1 is ##STR2## R.sub.2 is hydrogen or methyl. The method of preparing said compounds according to the present invention comprises reacting imidazolin-2-thione with formaldehyde and a compound of the formula: ##STR3## wherein R.sub.2 is hydrogen or methyl, at the molar ratio therebetween of 1:2:2 respectively in an aqueous medium or in a medium of polar organic solvents at a temperature ranging from 20.degree. to 80.degree. C. The method according to the invention makes it possible to obtain the desired product at a high yield (up to 93% of the theoretical value).
    Type: Grant
    Filed: August 3, 1977
    Date of Patent: September 1, 1981
    Inventors: Abidzhan Safaev, Abduvasit Kadyrov, Zhakhongir G. Saidaliev, Tulyagan F. Faiziev