Patents Assigned to R L Fine Chem
  • A METHOD FOR PREPARATION OF 1-(2-((2,4-DIMETHYLPHENYL)THIO)PHENYL) PIPERAZINE AND ITS SALTS
    Publication number: 20240101524
    Abstract: A method for preparation of 1-(2-((2,4-Dimethylphenyl)thio)phenyl)piperazine and its salts through a novel intermediate, 2-((2,4-dimethylphenyl)thio)-N-hydroxybenzamide involves mild conditions, eco-friendly and cost effective reagents to provide the target compound with purity level greater than 99.5% in high yield.
    Type: Application
    Filed: July 16, 2021
    Publication date: March 28, 2024
    Applicant: R L FINE CHEM PRIVATE LIMITED
    Inventors: Vinay KUMAR, V, Dantham SOWMYA, Rajat Rudragoud BIRADAR PATIL, Puttaraju BOREGOWDA, Sivakumar RALLAPALLI
  • Method of preparation of imipramine pamoate and novel crystalline form of imipramine pamoate thereof
    Patent number: 9334240
    Abstract: The present invention is in relation to preparation of Imipramine Pamoate by a simple two-step process. The process provides new form of Imipramine Pamoate. The present invention is cost effective, involves mild conditions to beget said compound.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: May 10, 2016
    Assignee: R.L. FINE CHEM
    Inventors: Andagar Ramakrishna Ramesha, Anjan Kumar Roy
  • METHOD OF PREPARATION OF IMIPRAMINE PAMOATE AND NOVEL CRYSTALLINE FORM OF IMIPRAMINE PAMOATE THEREOF
    Publication number: 20150225349
    Abstract: The present invention is in relation to preparation of Imipramine Pamoate by a simple two-step process. The process provides new form of Imipramine Pamoate. The present invention is cost effective, involves mild conditions to beget said compound.
    Type: Application
    Filed: April 23, 2014
    Publication date: August 13, 2015
    Applicant: R L Fine Chem
    Inventors: Andagar Ramakrishna RAMESHA, Anjan Kumar ROY