Patents by Inventor Siddegowda S. MARAVANAHALLI

Siddegowda S. MARAVANAHALLI 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).

  • Process for preparation of 1-[2-(dimethyl amino)-1-(4-hydroxyphenyl) ethyl]-cyclohexanol and salts thereof
    Patent number: 10464873
    Abstract: A high yield process of preparation of [1-[2-(Dimethylamino)-1-(4-hydroxyphenyl)ethy]-cyclohexanol] through potassium salt mediated demethylation of [1-[2-(Dimethyl amino-1-(4-methoxyphenyl) ethyl cyclohexanol] in monoethylene glycol under phase transfer conditions, as well as the preparation of salt of [1-[2-(Dimethylamino)-1-(4-hydroxyphenyl)ethyl]-cyclohexanol].
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 5, 2019
    Assignee: R L FINECHEM PRIVATE LIMITED
    Inventors: Ramesha A. Ramakrishna, Siddegowda S. Maravanahalli
  • A PROCESS FOR PREPARATION OF 1-[2-(DIMETHYL AMINO)-1-(4-HYDROXYPHENYL) ETHYL]-CYCLOHEXANOL AND SALTS THEREOF
    Publication number: 20180251417
    Abstract: A high yield process of preparation of, [1-[2-(Dimethylamino)-1-(4-hydroxyphenyl)ethy]-cyclohexanol] through potassium hydroxide mediated demethylation of [1-[2-(Dimethyl amino-1-(4-methoxyphenyl) ethyl cyclohexanol] in monoethylene glycol under phase transfer conditions, as well as the preparation of salt of [1-[2-(Dimethylamino)-1-(4-hydroxyphenyl)ethyl]-cyclohexanol].
    Type: Application
    Filed: March 31, 2017
    Publication date: September 6, 2018
    Applicant: R L FINECHEM PRIVATE LIMITED
    Inventors: Ramesha A. RAMAKRISHNA, Siddegowda S. MARAVANAHALLI