Patents by Inventor Jon Valgeirsson

Jon Valgeirsson 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).

  • Patent number: 9006443
    Abstract: Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of quinoline-3-carboxamide derivatives such as laquinimod, or a pharmaceutically acceptable salt thereof, in high yield and purity.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: April 14, 2015
    Assignee: Actavis Group PTC ehf
    Inventors: Girish Dixit, Krishnadatt Sharma, Kundan Singh Shekhawat, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20140005401
    Abstract: Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of quinoline-3-carboxamide derivatives such as laquinimod, or a pharmaceutically acceptable salt thereof, in high yield and purity.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 2, 2014
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Krishnadatt Sharma, Kundan Singh Shekhawat, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Patent number: 8552194
    Abstract: Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of quinoline-3-carboxamide derivatives such as laquinimod, or a pharmaceutically acceptable salt thereof, in high yield and purity.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: October 8, 2013
    Assignee: Actavis Group PTC EHF
    Inventors: Girish Dixit, Krishnadatt Sharma, Kundan Singh Shekhawat, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Patent number: 8354428
    Abstract: Provided herein is a novel crystalline form of laquinimod, process for the preparation, pharmaceutical compositions, and method of treating thereof. Provided also herein are novel amorphous and polymorphic forms of laquinimod sodium, process for the preparation, pharmaceutical compositions, and method of treating thereof.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 15, 2013
    Assignee: Actavis Group PTC EHF
    Inventors: Girish Dixit, Krishnadatt Sharma, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20120065404
    Abstract: Described herein is an improved, commercially viable and industrially advantageous process for the preparation of Repaglinide intermediate, ethyl (S)-2-ethoxy-4-[N-(1-(2-piperidino-phenyl)-3-methyl-1-butyl)-aminocarbonylmethyl]-benzoate. The process provides the Repaglinide intermediate in higher yield and purity compared to the previously disclosed processes, thereby providing for production of Repaglinide and its pharmaceutically acceptable salts in high purity and in high yield.
    Type: Application
    Filed: November 21, 2011
    Publication date: March 15, 2012
    Applicant: ACTAVIS GROUP PTC HF
    Inventors: Venkata Sasidhar Balla, Madhubabu Alapharthi, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Patent number: 8101769
    Abstract: Described herein is an improved, commercially viable and industrially advantageous process for the preparation of Repaglinide intermediate, ethyl (S)-2-ethoxy-4-[N-(1-(2-piperidino-phenyl)-3-methyl-1-butyl)-aminocarbonylmethyl]-benzoate. The process provides the Repaglinide intermediate in higher yield and purity compared to the previously disclosed processes, thereby providing for production of Repaglinide and its pharmaceutically acceptable salts in high purity and in high yield.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: January 24, 2012
    Assignee: Actavis Group PTC EHF
    Inventors: Venkata Sasidhar Balla, Madhubabu Alapharthi, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Patent number: 8101597
    Abstract: The present invention relates to novel and stable salt forms of quetiapine, processes for preparation, pharmaceutical compositions, and method of treating thereof. More particularly, the present invention provides novel acid addition salts of quetiapine wherein the acid counter ion is provided by an acid selected from the group consisting of benzene sulfonic acid, dibenzoyl-L-(+)-tartaric acid and di-p-toluoyl-L-(+)-tartaric acid. The present invention also provides novel polymorphic forms of quetiapine salts selected from the group consisting of quetiapine hydrobromide, quetiapine sulfate, quetiapine nitrate and quetiapine citrate.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: January 24, 2012
    Assignee: Actavis Group PTC EHF
    Inventors: Girish Dixit, Anil Shahaji Khile, Jayesh Laljibhai Patel, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110245536
    Abstract: Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of pregabalin in high yield and purity. The present invention also provides a process for the purification of (S)-pregabalin.
    Type: Application
    Filed: June 1, 2009
    Publication date: October 6, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Vikas Daulatrao Ahirrao, Depashri Vikas Ahirrao, Chandra Prakash Narani, Sandipan Prabhurao Bondge, Mayur Devjibhai Khunt, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110171138
    Abstract: Provided herein is a highly pure deferasirox or a pharmaceutically acceptable salt thereof substantially free of hydrazine impurity, 4-hydrazinobenzoic acid, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure deferasirox or a pharmaceutically acceptable salt thereof substantially free of hydrazine impurity.
    Type: Application
    Filed: June 2, 2009
    Publication date: July 14, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Rajendra Suryabhan Patil, Kishore Charugundla, Praveen Kumar Neela, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110171270
    Abstract: Provided herein is a novel crystalline form of laquinimod, process for the preparation, pharmaceutical compositions, and method of treating thereof. Provided also herein are novel amorphous and polymorphic forms of laquinimod sodium, process for the preparation, pharmaceutical compositions, and method of treating thereof.
    Type: Application
    Filed: June 30, 2009
    Publication date: July 14, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Krishnadatt Sharma, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110142883
    Abstract: The present invention relates to stable amorphous co-precipitates of atorvastatin pharmaceutically acceptable salts with pharmaceutically acceptable excipients, method for the preparation, pharmaceutical compositions, and method of treating thereof.
    Type: Application
    Filed: July 21, 2008
    Publication date: June 16, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Anil Shahaji Khile, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Patent number: 7947699
    Abstract: Described is a highly stable amorphous form of imatinib mesylate having a water content of less than 0.5 percent by weight, based on the total weight of the amorphous imatinib mesylate, (anhydrous amorphous imatinib mesylate), a process for preparation thereof, and pharmaceutical compositions.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: May 24, 2011
    Assignee: Actavis Group PTC EHF
    Inventors: Mayur Devjibhai Khunt, Nilesh Sudhir Patil, Haushabhau Shivaji Pagire, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110117200
    Abstract: Provided herein is rasagiline mesylate having a 90 volume-percent of the particles (D90) with a size of about 600 microns to about 1500 microns, and a process for the preparation thereof. Provided also herein are pharmaceutical compositions comprising rasagiline mesylate particles having a particle size which is suitable for homogeneous distribution of the drug substance in a tablet blend, in particular 90 volume-percent of the particles (D90) have a size of about 255 microns to about 1500 microns, and a process the preparation thereof.
    Type: Application
    Filed: March 31, 2009
    Publication date: May 19, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Nilesh Sudhir Patil, Haushabhau Shivaji Pagire, Praveen Kumar Neela, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110105756
    Abstract: Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of quinoline-3-carboxamide derivatives such as laquinimod, or a pharmaceutically acceptable salt thereof, in high yield and purity.
    Type: Application
    Filed: April 27, 2009
    Publication date: May 5, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Krishnadatt Sharma, Kundan Singh Shekhawat, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110097413
    Abstract: Provided herein are novel solid state forms of deferasirox salts, process for the preparation, pharmaceutical compositions, and method of treating thereof. The solid state forms of deferasirox salts are useful for preparing deferasirox (I) in high purity.
    Type: Application
    Filed: April 20, 2009
    Publication date: April 28, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Praveen Kumar Neela, Kishore Charugundla, Rajendra Suryabhan Patil, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110086103
    Abstract: Provided herein is a novel raantlelate sail of fesoterodine, process for the preparation, pharmaceutics!! compositions, and method of treating thereof. Provided also herein are solid state forms of fesoterodine mandelate, process for the preparation, pharmaceutical compositions, and method of treating thereof. The raandelate salt of fesoterodine is useful for preparing fesoterodine free base or a pharmaceutically acceptable salt thereof; particularly fesoterodine fumaraie, in high purity.
    Type: Application
    Filed: April 6, 2009
    Publication date: April 14, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Kishore Charugundla, Udhaya Kumar, Praveen Kumar Neela, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110046231
    Abstract: The present invention relates to solid forms of (±)-O-desmethylvenlafaxine salts, processes for preparation, pharmaceutical compositions, and method of treating thereof. More particularly, the present invention provides solid forms of acid addition salts of (±)-O-desmethylvenlafaxine wherein the acid counter ion is provided by an acid selected from the group consisting of oxalic acid, benzoic acid and lactic acid.
    Type: Application
    Filed: October 21, 2008
    Publication date: February 24, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Sonny Sebastian, Raman Buddhavarapu Pattabhi, Krishna Challa, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110021547
    Abstract: Described is a highly stable crystalline form of bosentan having a water content in the range of about 3-4% by weight, based on the total weight of the bosentan, (bosentan crystalline form A5), a process for preparation thereof, and pharmaceutical compositions comprising the bosentan crystalline form A5. Provided also herein is a bosentan impurity, p-tert-butyl-N[6-hydroxy-5-(2-methoxyphenoxy)-2-(2-pyrimidinyl)-4-pyrimidinyl]benzenesulfonamide (deshydroxyethyl bosentan impurity), and process for preparing and isolating thereof. Further provided are highly pure bosentan or a pharmaceutically acceptable salt thereof substantially free of deshydroxyethyl bosentan and bosentan dimer impurities, process for the preparation thereof, and pharmaceutical compositions comprising solid particles of highly pure bosentan or a pharmaceutically acceptable salt thereof, wherein 90 volume-percent of the particles (D90) have a size of less than about 300 microns.
    Type: Application
    Filed: January 22, 2009
    Publication date: January 27, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Nandkumar Gaikwad, Hima Prasad Naidu, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110014246
    Abstract: Disclosed herein is a novel and stable amorphous form of arformoterol L-(+)-tartrate, a process for its preparation, pharmaceutical compositions comprising amorphous arformoterol L-(+)-tartrate, and methods of treating with amorphous arformoterol L-(+)-tartrade.
    Type: Application
    Filed: February 27, 2009
    Publication date: January 20, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Nandkumar Gaikwad, Nitin Sharadchandra Pradhan, Jon Valgeirsson
  • Publication number: 20110014291
    Abstract: Disclosed herein are novel polymorphic forms of bosentan, processes for preparation, pharmaceutical compositions, and method of treating thereof.
    Type: Application
    Filed: October 13, 2008
    Publication date: January 20, 2011
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Girish Dixit, Nandkumar Gaikwad, Hima Prasad Naidu, Nitin Sharadchandra Pradhan, Jon Valgeirsson