Patents by Inventor Pulla Reddy Muddasani

Pulla Reddy Muddasani 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).

  • Publication number: 20150119587
    Abstract: Present invention relates to an improved and commercial process for the preparation of 2-sustituted-2-(6-(substituted)-7-methylbenzo[d][1,3]dioxol-4-yl)acetic acid derivatives of formula-I [Formula should be inserted here], wherein R1 is a O-protecting group such as methoxymethyl, ethoxymethyl, trialkylsilyl, arylmethyl, tetrahydropyran-2-yl, allyl; X is hydroxyl, halogen, mesylate, triflate, tosylate, acetate; Y is oxygen atom, NH or sulfur atom; R2 is C1-C6 alkyl. 2,4-Dihydroxy-3-methylbenzal-dehyde is selectively protected at C-4 position in the form of an ether compound of formula-XII, oxidized the aldehyde function to get the diol of formula-XIII, and condensed with ethyl glyoxalate under Casiraghi reaction conditions to get the compound of formula-XV. Compound of formula-XV is converted to compound of formula-I by conventional chemistry.
    Type: Application
    Filed: June 19, 2013
    Publication date: April 30, 2015
    Inventors: Pulla Reddy Muddasani, Manikumar Chintalapudi, Venkaiah Chowdary Nannapaneni
  • Patent number: 8759582
    Abstract: Present invention relates to an improved and commercial process for the preparation of lacosamide ((R)-2-acetamido-N-benzyl-3-methoxypropanamide) of formula (I). Present process utilizes high purity crystalline solids of formulae (XXXII) and (XIII) as key intermediates. Lacosamide is indicated for the adjunctive treatment of partial onset seizures in patients aged at least 17 years.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: June 24, 2014
    Assignee: Natco Pharma Limited
    Inventors: Pulla Reddy Muddasani, Veerababu Madalapu, Venkaiah Chowdary Nannapaneni
  • Publication number: 20130035508
    Abstract: Present invention relates to an improved and commercial process for the preparation of lacosamide ((R)-2-acetami-do-N-benzyl-3-methoxypropanamide) of formula (I). Present process utilizes high purity crystalline solids of formulae (XXXII) and (XIII) as key intermediates. Lacosamide is indicated for the adjunctive treatment of partial onset seizures in patients aged at least 17 years.
    Type: Application
    Filed: February 4, 2011
    Publication date: February 7, 2013
    Applicant: Natco Pharma Limited
    Inventors: Pulla Reddy Muddasani, Veerababu Madalapu, Venkaiah Chowdary Nannapaneni
  • Publication number: 20120172380
    Abstract: The invention relates to substituted 4-(tetrazol-5-yl)-quinazoline derivatives of the formula-I, or pharmaceutically acceptable salts thereof, which possess anti-proliferative activity such as anti-cancer activity and are accordingly useful in methods of treatment of the human or animal body. The invention also relates to processes for the manufacture of substituted 4-(tetrazol-5-yl)-quinazoline derivatives, to pharmaceutical compositions containing the compound and to its use in the manufacture of medicaments for the production of an anti-proliferative effect in a warm-blooded animal such as man.
    Type: Application
    Filed: December 19, 2011
    Publication date: July 5, 2012
    Applicant: Natco Pharma Limited
    Inventors: Durga prasad Konakanchi, Subba Rao Pula, Lakshmi Ananthaneni, Pulla Reddy Muddasani, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • Publication number: 20120058200
    Abstract: Present invention relates to a process for the preparation and pharmaceutical usage of dihydrate form of lanthanum carbonate. Present process produces lanthanum carbonate dihydrate (La2(CO3)3.2H2O) free of lanthanum hydroxycarbonate and is stable at ambient condition. Lanthanum carbonate dihydrate exhibit improved performance over standard lanthanum carbonate tetrahydrate in phosphate binding studies. Lanthanum carbonate dihydrate is useful for the treatment of hyperphosphataemia in patients with renal failure.
    Type: Application
    Filed: May 15, 2009
    Publication date: March 8, 2012
    Applicant: Natco Pharma Limited
    Inventors: Pulla Reddy Muddasani, Sambasiva Rao Talasila, Bhujanga Roa Adibhatla Kali Satya, Venkata Reddy Satti, Anil Kumar Lingamaneni, Venkaiah Chowdary Nannapaneni