Patents Assigned to APICORE US LLC
  • Publication number: 20200347013
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10752580
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2, 5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: August 25, 2020
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10626086
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: April 21, 2020
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10590071
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: March 17, 2020
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10519121
    Abstract: Processes are disclosed for making vortioxetine and pharmaceutically acceptable salts thereof. A propylene glycol solvate of vortioxetine hydrobromide is disclosed. A novel crystalline form of vortioxetine hydrobromide propylene glycol solvate, designated form AC1, is disclosed along with a method for making same. Form AC1 may be characterized by an x-ray powder diffraction pattern with peaks at about 19.64, 22.85, 25.51, 29.57, 30.18±0.2 degrees 2-theta.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: December 31, 2019
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Rao Kannapan, Ananda Babu Thirunavakarasu, Veerabhadra Rao Bobbili, Gaurav Yadav
  • Patent number: 10508080
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2, 5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 17, 2019
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10464888
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 5, 2019
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10442832
    Abstract: Novel processes for making the N-pyrrazole substituted 2-adenosine derivative regadenoson and a novel polymorph thereof. The novel polymorph of regadenoson designated form H and drug substances and pharmaceutical compositions including the novel polymorph H are disclosed.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: October 15, 2019
    Assignee: APICORE US LLC
    Inventors: Ravishanker Kovi, Ashish Naik, Piyush Fadadu, Jayaraman Kannapan
  • Patent number: 10392417
    Abstract: Processes are provided for the preparation of a stable polymorphic form C of regadenoson, the process involving steps of a) obtaining a solution of regadenoson in benzyl alcohol solvent, b) maintaining the reaction mixture of step a) to about 10° C. to about 90° C., and c) isolating the stable polymorphic form C of regadenoson. Polymorphic form C may be characterized by an x-ray powder diffraction pattern with peaks at about 6.1, 10.2, 10.6, 19.0 and 25.4.±0.2 degrees 2-theta.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: August 27, 2019
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Piyush D. Fadadu, Piyush B. Thumar
  • Publication number: 20190218177
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Publication number: 20190177269
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2, 5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: February 1, 2019
    Publication date: June 13, 2019
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Publication number: 20190169119
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2, 5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: February 1, 2019
    Publication date: June 6, 2019
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Patent number: 10221184
    Abstract: Novel crystalline ponatinib hydrochloride forms designated Form alpha and Form beta are disclosed. Form alpha is characterized by data selected from an XRPD pattern with peaks at about 6.5, 9.0, 12.25, 14.4, 16.70, 19.6, 22.2, 24.5, 28.2±0.2 degrees 2-theta; an XRPD pattern substantially as depicted in FIG. 1; and/or a combination thereof. Form beta is characterized by data selected from an XRPD pattern with peaks at about 10.7, 15.2, 15.8, 16.4 23.1, 25.0, 27.8±0.2 degrees 2-theta; an XRPD pattern substantially as depicted in FIG. 3; and/or combinations thereof. Processes for making Form alpha and Form beta are disclosed.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: March 5, 2019
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Gaurav Yadav, Veerabhadra Rao Bobbili, Shivnath Sahebrao Patil, Sanjay F. Thakor
  • Publication number: 20190062268
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: October 25, 2018
    Publication date: February 28, 2019
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Publication number: 20190002421
    Abstract: Processes are disclosed for making vortioxetine and pharmaceutically acceptable salts thereof. A propylene glycol solvate of vortioxetine hydrobromide is disclosed. A novel crystalline form of vortioxetine hydrobromide propylene glycol solvate, designated form AC1, is disclosed along with a method for making same. Form AC1 may be characterized by an x-ray powder diffraction pattern with peaks at about 19.64, 22.85, 25.51, 29.57, 30.18±0.2 degrees 2-theta.
    Type: Application
    Filed: December 26, 2017
    Publication date: January 3, 2019
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Rao Kannapan, Ananda Babu Thirunavakarasu, Veerabhadra Rao Bobbili, Gaurav Yadav
  • Publication number: 20180208599
    Abstract: Novel crystalline ponatinib hydrochloride forms designated Form alpha and Form beta are disclosed. Form alpha is characterized by data selected from an XRPD pattern with peaks at about 6.5, 9.0, 12.25, 14.4, 16.70, 19.6, 22.2, 24.5, 28.2±0.2 degrees 2-theta; an XRPD pattern substantially as depicted in FIG. 1; and/or a combination thereof. Form beta is characterized by data selected from an XRPD pattern with peaks at about 10.7,15.2, 15.8, 16.4 23.1, 25.0, 27.8±0.2 degrees 2-theta; an XRPD pattern substantially as depicted in FIG. 3; and/or combinations thereof. Processes for making Form alpha and Form beta are disclosed.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 26, 2018
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Gaurav Yadav, Veerabhadra Rao Bobbili, Shivnath Sahebrao Patil, Sanjay F. Thakor
  • Patent number: 9988389
    Abstract: Methods are disclosed for making 3-(imidazo[1,2-b]pyridazin-3-ylethynyl)-4-methyl-N-[4-[(4-methylpiperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl]benzamide, intermediates and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: June 5, 2018
    Assignee: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Sanjay F. Thakor, Ashish Naik, Dhakhada Chetana Bharatbhai, Khichi Kuldip Fatehlal, Shivnath Sahebrao Patil
  • Publication number: 20180127452
    Abstract: Processes are provided for the preparation of a stable polymorphic form C of regadenoson, the process involving steps of a) obtaining a solution of regadenoson in benzyl alcohol solvent, b) maintaining the reaction mixture of step a) to about 10° C. to about 90° C., and c) isolating the stable polymorphic form C of regadenoson. Polymorphic form C may be characterized by an x-ray powder diffraction pattern with peaks at about 6.1, 10.2, 10.6, 19.0 and 25.4.±0.2 degrees 2-theta.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 10, 2018
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Piyush D. Fadadu, Piyush B. Thumar
  • Publication number: 20180057454
    Abstract: Isosulfan blue and processes for the preparation thereof are provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid, sodium salt of formula (2), used in the preparation thereof and a procedure for the isolation of benzaldehyde-2,5-disulfonic acid, di-sodium salt of the formula (3). Also provided is a process for the preparation of an isoleuco acid of formula (4), which upon oxidation gives rise to isosulfan blue of pharmaceutical grade which can be used for preparation of pharmaceutical formulations. The isolation and purification procedures provided in the process provide substantially pure isosulfan blue with HPLC purity 99.5% or greater.
    Type: Application
    Filed: November 2, 2017
    Publication date: March 1, 2018
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Satyam Nampalli, Peter Xavier Tharial
  • Publication number: 20180037606
    Abstract: Racemization-free methods are disclosed for the synthesis of carfilzomib. Novel intermediates and methods of making carfilzomib employing fragment condensation using the novel intermediates are disclosed. Amorphous carfilzomib and methods of making same are disclosed.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Applicant: Apicore US LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Vasanthakumar G. Ramu, Alaparthi Lakshmi Prasad, Talluri Bhushaiah Chowdary, Gaurav Kulkarni, Saiyed Akeel Ahmed Shakeel Ahmed, Veerabhadra Rao Bobbili, N V Raghavalu Dusanapudi, Anand V. Mantri