Patents by Inventor Venkaiah Chowdary Nannapaneni

Venkaiah Chowdary Nannapaneni 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).

  • PHARMACEUTICAL COMPOSITIONS COMPRISING RIBOCICLIB
    Publication number: 20230310327
    Abstract: The present invention relates to pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to immediate release pharmaceutical compositions comprising Ribociclib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.
    Type: Application
    Filed: July 31, 2021
    Publication date: October 5, 2023
    Inventors: Krishna Murthy BHAVANASI, Rama Swamy Chowdary Tripuraneni, Chaitanya Kumar SAGI, Pavan BHAT, Venkaiah Chowdary NANNAPANENI
  • NOVEL PROCESS FOR THE PREPARATION OF ACALABRUTINIB AND ITS INTERMEDIATES
    Publication number: 20230081911
    Abstract: The present invention relates to an improved and industrially viable process for the preparation of Acalabrutinib and its Intermediates. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale. The present invention relates to process for the preparation Acalabrutinib of formula (1) and process for the preparation of Acalabrutinib key starting material.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 16, 2023
    Inventors: Shankar Reddy BUDIDETI, Srinivasa Krishna Murthy KONDURI, Jagan Mohan Reddy SANAPUREDDY, Ravi Kumar REMELLA, Sandeep Kumar THOOTA, Sunitha KOTHAMUNIREDDYGARI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of Tipiracil hydrochloride and intermediates thereof
    Patent number: 11465988
    Abstract: The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: October 11, 2022
    Assignee: NATCO PHARMA LIMITED
    Inventors: Srinivasulu Sakkani, Uma Naresh Babu Kotra, Dharmender Ragidi, Buchappa Gongalla, Durga Prasad Konakanchi, Pulla Reddy Muddasani, Venkaiah Chowdary Nannapaneni
  • A PROCESS FOR THE PREPARATION OF VENETOCLAX AND ITS POLYMORPHS THEREOF
    Publication number: 20220259204
    Abstract: The present invention relates to a process for the preparation of 4-(4-{[2-(4-chlorophenyl)-4,4dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4ylmethyl)amino]phenyl}sulfonyl)-2-(1H-pyrrolo[2,3-b] pyridin-5-yloxy)benzamide) compound of formula-1 which is represented by the following structural formula:
    Type: Application
    Filed: July 8, 2020
    Publication date: August 18, 2022
    Inventors: Balakrishna Reddy SIRIGIREDDY, Veeraswamy BALINA, Sreenivas RACHAKONDA, Veerender MURKI, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of ribociclib succinate and its novel crystalline forms thereof
    Patent number: 11414421
    Abstract: The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: August 16, 2022
    Assignee: NATCO PHARMA LTD
    Inventors: Arunkumar Thiriveedhi, Swapna Kondaveeti, Sathish Thumati, Naresh Ghanta, Janaki Rama Rao Ravi, Durga Prasad Konakanchi, Pulla Reddy Muddansani, Venkaiah Chowdary Nannapaneni
  • PROCESS FOR THE PREPARATION OF HIGH PURE ERIBULIN AND ITS MESYLATE SALT
    Publication number: 20220089607
    Abstract: The present invention relates to a process for the preparation of high pure Eribulin and Eribulin Mesylate. The present invention involves preparation of high pure Eribulin and its mesylate salt involving chiral acid addition salts of Eribulin.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 24, 2022
    Inventors: Prabhakar DIVYA, Srinivasu KASA, Durga Prasad KONAKANCHI, Ramesh DANDALA, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • IMPROVED PROCESS FOR THE PREPARATION OF TIPIRACIL HYDROCHLORIDE AND INTERMEDIATES THEREOF
    Publication number: 20220056016
    Abstract: The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities.
    Type: Application
    Filed: December 13, 2019
    Publication date: February 24, 2022
    Applicant: NATCO PHARMA LIMITED
    Inventors: Srinivasulu SAKKANI, Uma Naresh Babu KOTRA, Dharmender RAGIDI, Buchappa GONGALLA, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of pomalidomide and its purification
    Patent number: 11111228
    Abstract: The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification. wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: September 7, 2021
    Assignee: Natco Pharma Limited
    Inventors: Durga Prasad Konakanchi, Buchappa Gongalla, Dharmendher Ragidi, Uma Naresh Babu Kotra, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • Process for the preparation of N-(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride
    Patent number: 11091470
    Abstract: Present invention relates to an improved process for the preparation of N—(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: August 17, 2021
    Assignee: NATCO PHARMA LIMITED
    Inventors: Pulla Reddy Muddasani, Shankar Reddy Budideti, Srinivasa Krishna Murthy Konduri, Nagalingam Samatham, Venkaiah Chowdary Nannapaneni
  • Intermediates for the preparation of eribulin thereof
    Patent number: 11008296
    Abstract: The present invention relates to novel intermediates of Eribulin and process for the preparation of the same. The process of the present invention is commercially viable and can be easily adopted for plant scale operations. The present invention relates to tetrahydrofuran compounds of formula I, X, XI, D and B.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 18, 2021
    Assignee: Natco Pharma Limited
    Inventors: Bulli Babi Vipparla, Sreenivas Nagapuri, Sathaiah Kandula, Janaki Rama Rao Ravi, Durga Prasad Konakanchi, Pulla Reddy Muddasani, Venkaiah Chowdary Nannapaneni
  • AN IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB SUCCINATE AND ITS NOVEL CRYSTALLINE FORMS THEREOF
    Publication number: 20210122754
    Abstract: The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms.
    Type: Application
    Filed: January 10, 2019
    Publication date: April 29, 2021
    Inventors: Arunkumar THIRIVEEDHI, Swapna KONDAVEETI, Sathish THUMATI, Naresh GHANTA, Janaki Rama Rao RAVI, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Pharmaceutical compositions of pomalidomide
    Patent number: 10966971
    Abstract: The invention relates to pharmaceutical compositions of pomalidomide comprising pomalidomide and binder or filler at amount of at most 89% weight percent of total weight of the composition and process for the preparation of such compositions.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 6, 2021
    Assignee: Natco Pharma Limited
    Inventors: Satyanarayana Vattikuti, Krishna Murthy Bhavanasi, Naveen Krishna Yalamanchalli, Venkaiah Chowdary Nannapaneni
  • Process for the preparation of amorphous idelalisib
    Patent number: 10870650
    Abstract: The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: December 22, 2020
    Assignee: NATCO PHARMA LIMITED
    Inventors: Amala Kompella, Sreenivas Rachakonda, Venugopala Krishna Gampa, Subhash Kusumba, Durga Prasad Konakanchi, Pulla Reddy Muddasani, Venkaiah Chowdary Nannapaneni
  • AN IMPROVED PROCESS FOR THE PREPARATION OF N-(3-ETHYNYLPHENYL)-7-METHOXY-6-(3- MORPHOLINOPROPOXY) QUINAZOLIN -4-AMINE DIHYDROCHLORIDE
    Publication number: 20200331899
    Abstract: Present invention relates to an improved process for the preparation of N-(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 22, 2020
    Inventors: Pulla Reddy MUDDASANI, Shankar Reddy BUDIDETI, Srinivasa Krishna Murthy KONDURI, Nagalingam SAMATHAM, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of dasatinib polymorph
    Patent number: 10800771
    Abstract: The present invention is related to an improved process for the preparation of dasatinib anhydrous crystalline Neat form N-6 with high purity and high yield. The present invention also relates to purification of dasatinib crystalline Neat form N-6.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: October 13, 2020
    Assignee: NATCO PHARMA LIMITED
    Inventors: Durga Prasad Konakanchi, Buchappa Gongalla, Uma Naresh Babu Kotra, Srinivasulu Sakkani, Dharmender Ragidi, Kotayyababu Sikha, Venkaiah Chowdary Nannapaneni
  • INTERMEDIATES FOR THE PREPARATION OF ERIBULIN THEREOF
    Publication number: 20200299248
    Abstract: The present invention relates to novel intermediates of Eribulin and process for the preparation of the same. The process of the present invention is commercially viable and can be easily adopted for plant scale operations. The present invention relates to tetrahydrofuran compounds of formula I, X, XI, D and B.
    Type: Application
    Filed: November 20, 2018
    Publication date: September 24, 2020
    Inventors: Bulli Babi VIPPARLA, Sreenivas NAGAPURI, Sathaiah KANDULA, Janaki Rama Rao RAVI, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Process for the preparation of Ibrutinib
    Patent number: 10626117
    Abstract: The present invention relates to an improved process for the preparation of Ibrutinib with high purity and high yields. The present process is cost effective and feasible in large scale production also. The present process avoids the mitsunobu reagent conditions also. The present Invention also relates to a process for the preparation of Crystalline form A and Crystalline form C of Ibrutinib.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: April 21, 2020
    Assignee: NATCO PHARMA LIMITED
    Inventors: Pulla Reddy Muddasani, Shankar Reddy Budideti, Veerababu Madalapu, Anitha Gattu, Bala Ankireddy Konda, Venkaiah Chowdary Nannapaneni
  • Modified process for the preparation of Ceritinib and amorphous form of Ceritinib
    Patent number: 10604505
    Abstract: The present invention is related to an improved process for the preparation of Ceritinib with high yield and high purity. The present process is cost effective and feasible in large scale production also. The present invention also related to a stable amorphous form of Ceritinib and its preparation. The present invention also relates to a process for the preparation of Crystalline form A of Ceritinib.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: March 31, 2020
    Assignee: Natco Pharma Limited
    Inventors: Durga Prasad Konakanchi, Subba Rao Pula, Muni Bhaskar Pallooru, Radha Rani Samatham, Ramakrishna Pilli, Lakshmana Viswa Venkata Pavan Kumar Maddula, Sandeep Karnam, Pulla Reddy Muddasani, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • PROCESS FOR THE PREPARATION OF AMORPHOUS IDELALISIB
    Publication number: 20200095249
    Abstract: The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.
    Type: Application
    Filed: April 11, 2018
    Publication date: March 26, 2020
    Inventors: Amala KOMPELLA, Sreenivas RACHAKONDA, Venugopala Krishna GAMPA, Subhash KUSUMBA, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • PHARMACEUTICAL COMPOSITIONS OF POMALIDOMIDE
    Publication number: 20200054621
    Abstract: The invention relates to pharmaceutical compositions of pomalidomide comprising pomalidomide and binder or filler at amount of at most 89% weight percent of total weight of the composition and process for the preparation of such compositions.
    Type: Application
    Filed: May 17, 2017
    Publication date: February 20, 2020
    Inventors: Satyanarayana Vattikuti, Krishna Murthy Bhavanasi, Naveen Krishna Yalamanchalli, Venkaiah Chowdary Nannapaneni