Patents Assigned to R L FINECHEM PRIVATE LIMITED
  • Process for preparation of O-Desmethyltramadol and salts thereof
    Patent number: 10781163
    Abstract: A process of preparation of O-Desmethyl tramadol through potassium hydroxide mediated demethylation of Tramadol under phase transfer conditions.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: September 22, 2020
    Assignee: R L FINECHEM PRIVATE LIMITED
    Inventors: Ramesha Andagar Ramakrishna, Sidde Gowda
  • A PROCESS FOR PREPARATION OF O-DESMETHYLTRAMADOL AND SALTS THEREOF
    Publication number: 20200231536
    Abstract: A process of preparation of O-Desmethyl tramadol through potassium hydroxide mediated demethylation of Tramadol under phase transfer conditions.
    Type: Application
    Filed: November 8, 2017
    Publication date: July 23, 2020
    Applicant: R L FINECHEM PRIVATE LIMITED
    Inventors: Ramesha ANDAGAR RAMAKRISHNA, Sidde GOWDA
  • 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