Patents by Inventor Ram Pratap

Ram Pratap 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: 20160009752
    Abstract: The present invention relates to the synthesis of pregnane-oximino-aminoalkyl-ethers and their antidiabetic and antidyslipidemic activities. More particularly, the invention relates to the synthesis of compounds of formula 3 and biological profile thereof. Further the invention relates to compounds of formula 3 and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: January 24, 2014
    Publication date: January 14, 2016
    Inventors: Prem Chandra VERMA, Jyoti GUPTA, Dharmendra Pratap SINGH, Varsha GUPTA, Hari Narayan KUSHWAHA, Anamika MISRA, Neha RAHUJA, Rohit SRIVASTAVA, Natasha JAISWAL, Ashok Kumar KHANNA, Akhilesh Kumar TAMRAKAR, Shio Kumar SINGH, Anil Kumar DWIVEDI, Arvind Kumar SRIVASTAVA, Ram PRATAP
  • Publication number: 20110077294
    Abstract: The present invention provides an optically active compound of general formula (I) and salts thereof: wherein R? is selected from a group consisting of t-butyl amine, n-butylamine, iso-butylamine, iso-propyl amine, 4-phenyl-piperazine-1-ylamine, 4-(2-methoxyphenyl)-piperazin-1-ylamine, and 3,4-dimethoxy phenethyl amine; wherein R1, R2 and R3 are selected from the group consisting of hydrogen, methyl or iso pentenyl; R4, R5 and R6 are selected from the group consisting of Oil, O-alkyl, O-benzyl, O-substituted phenyl or combination thereof.
    Type: Application
    Filed: August 2, 2007
    Publication date: March 31, 2011
    Inventors: Ram Pratap, Himanshu Singh, Alok Kumar Verma, Amar Bahadur Singh, Priti Priti Tiwari Tiwari, Mukesh Srivastava, Arvind Kumar Srivastava, Anil Kumar Dwivedi, Satyawan Singh, Pratima Pnahma Svivastva Srivastava, Shio Kumar Singh, Chandishwar Nath, Ram Raghubir
  • Patent number: 7807712
    Abstract: The present invention provides appropriately substituted chalcones, such as, for example, represented by the structural formula as shown herein below Wherein R1, R2 and R3 are selected from the group consisting of H, OH, O-alkyl, O-phenyl and O-substituted phenyl; B represents Ar—Z—O or RO; where Z is an alkane having up to 5 carbon atoms; R is substituted propanol amino, wherein substituted amino groups are selected from the group consisting of t-butyl, n-butyl, i-butyl, i-propyl, 4-phenyl piperazine-1-yl, 4-(2-methoxyphenyl)-piperazin-1-yl and 3,4-dimethoxy phenethyl; and Ar is thiazolidine-dione methylene phenoxy. The compounds prepared have been demonstrated to exhibit significant antidiabetic effect in various animal models indicating potential for further exploitation.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: October 5, 2010
    Inventors: Ram Pratap, Mavurapu Satyanarayana, Chandeshwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Kumar Tripathi, Arvind Kumar Srivastava
  • Patent number: 7635779
    Abstract: The present invention provides novel substituted flavone derivatives which exhibit anti-hyperglycemic and antidyslipedemic activity. The invention also provides a method for controlling type II diabetes and associated hyperlipidemic conditions in a mammal by administering compound of the present invention and compositions containing these derivatives.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: December 22, 2009
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ram Pratap, Mavurapu Satyanarayana, Chandeshwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Kumar Tripathi, Arvind Kumar Srivastava
  • Patent number: 7404962
    Abstract: A combination kit for the treatment of malaria caused by Plasmodium vivax (P. vivax) having individual doses of an anti-malarial agent, 3-[1-[[4-[(6-methoxy-8-quinolinyl)amino]pentyl]amino]ethylidene]-dihydro-2(3H)-furanone (I) in the form of capsules; individual doses of the anti-malarial agent, chloroquine in the form of tablets; and instruction material for the administration of the two anti-malarial drugs. The combination kit is particularly suited for a 6 days treatment regimen where the treatment is rendered by five tablets containing 500 mg of chloroquine phosphate (equivalent to 300 mg base), three to be taken on day one and one each on days two and three; and five capsules containing 25 mg of 3-[1-[[4-[(6-methoxy-8-quinolinyl)amino]pentyl]amino]ethylidene]-dihydro-2(3H)-furanone (I), one each to be taken on days two to six.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: July 29, 2008
    Assignees: Nicholas Piramal India Limited, Council of Scientific and Industrial Research
    Inventors: Francis Joseph Pinto, Swati Ajay Piramal, Ram Pratap, Amiya Prasad Bhaduri, Harsh Pati Thapliyal, Sunil Kumar Puri, Guru Prasad Dutta, Anil Kumar Dwivedi, Satyawan Singh, Pratima Srivastava, Vikash Chandra Pandey, Sudhir Srivastava, Shio Kumar Singh, Ram Chandra Gupta, Jagdishwar Sahai Srivastava, Omkar Prasad Asthana
  • Patent number: 7365218
    Abstract: The present invention provides an improved process for the preparation of Guggulsterones which comprises epoxidising 16-dihydropegnenolone acetate (16 DPA) by reacting 16DPA with hydrogen peroxide reagent adduct in the presence of a co-base in a polar solvent to obtain 3 ? hydroxy-16 ?, 17-oxido-5 pregnen-20-one, converting the 3 ? hydroxy-16?, 17-oxido-5-pregnen-20-one by reacting with hydrazine in the presence of a strong base at refluxing temperature followed by oxidation to obtain desired guggulsterones viz. to 5, 17-(20)-cis and trans pregnadiene-3 ?, 16-diol of the formula Ia and Ib.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: April 29, 2008
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ram Pratap, Dharmendra Pratap Singh, Raghavendra Pal, Satyawan Singh
  • Patent number: 7183291
    Abstract: The present invention a novel use of primaquine derivative N1-(3-ethylidinotetrahydrofuran-2-one)-N4-(6-methoxy-8-quinolinyl)-1,4-pentanediamine in the treatment and controlling the spread of malaria. In particular, the present invention discloses a method of treatment of malaria by the use of primaquine derivative N1-(3-ethylidinotetrahydrofuran-2-one)-N4-(6-methoxy-8-quinolinyl)-1,4-pentanediamine as a gametocytocidal agent.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: February 27, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ram Pratap, Amiya Prasad Bhaduri, Harsh Pati Thapliyal, Sunil Kumar Puri, Guru Prasad Dutta, Anil Kumar Dwivedi, Satyawan Singh, Pratima Srivastava, Vikash Chandra Pandey, Sudhir Srivastava, Shio Kumar Singh, Ram Chandra Gupta, Jagdishwar Sahai Srivastava, Omkar Prasad Asthana
  • Publication number: 20060178373
    Abstract: The present invention provides novel substituted flavone derivatives which exhibit anti-hyperglycemic and antidyslipedemic activity. The invention also provides a method for controlling type II diabetes and associated hyperlipidemic conditions in a mammal by administering compound of the present invention and compositions containing these derivatives.
    Type: Application
    Filed: February 9, 2005
    Publication date: August 10, 2006
    Inventors: Ram Pratap, Mavurapu Satyanarayana, Chandeshwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Tripathi, Arvind Srivastava
  • Publication number: 20060142303
    Abstract: The present invention provides novel substituted chalcone derivatives which exhibit anti-hyperglycemic and anti-dyslipedemic activity. The invention also provides a method for treating type II diabetes and associated hyperlipidemic conditions in a mammal by administering the compounds of the present invention and compositions containing these derivatives.
    Type: Application
    Filed: December 22, 2004
    Publication date: June 29, 2006
    Inventors: Ram Pratap, Mavurapu Satyanarayana, Chandeshwar Nath, Ram Raghubir, Anju Puri, Ramesh Chander, Priti Tiwari, Brajendra Tripathi, Arvind Srivastava
  • Patent number: 6896901
    Abstract: The present invention provides new uses of Gugulipid, an ethyl acetate extract of the resin of the plant Comiphora wighitii, for controlling or preventing cognitive dysfunction, hyperglycemia and some infective conditions of the skin and a method of preparing Gugulipid by agitating the resin in shake flask assembly or sonicating assembly and preparing a solid or a creamy dosage forms.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: May 24, 2005
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ram Pratap, Raghwendra Pal, Satyawan Singh, Girja Shankar, Chandeshwar Nath, Hemant Kumar Singh, Depak Raina, Arwind Kumar Srivastava, Anil Kumar Rastogi, Puvvada Sri Ramachandra Murthy, Sudhir Srivastava, Onkar Prasad Asthana, Narenda Singh, Nitya Nand
  • Patent number: 6875758
    Abstract: The invention provides a method of using pregnadienones and pregnadienols represented by the structural formula (I) as shown herein below Wherein X?OH or O or combination thereof and positioning of olefinic bonds are at 4(5); 5(6); 16(17); 17(20) or various combinations and said compounds containing at least one olefinic bond in or on their D-ring for the treatment of hyperlipidemic and hyperglycemic conditions in mammals, said method comprising administering an effective amount of the said compounds to the recipient mammals.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: April 5, 2005
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ram Pratap, Ram Chandra Gupta, Ramesh Chander, Ashok Kumar Khanna, Arvind Kumar Srivastava, Deepak Raina, Satyavan Singh, Savita Srivastava, Anil Kumar Rastogi, Omkar Prasad Asthana, Swarn Nityanand, Nitya Anand, Ashim Ghatak, Narinder Kumar Kapoor, Sukh Dev
  • Publication number: 20040186306
    Abstract: The present invention provides an improved process for the preparation of Guggulsterones which comprises epoxidising 16-dihydropegnenolone acetate (16 DPA) by reacting 16DPA with hydrogen peroxide reagent adduct in the presence of a co-base in a polar solvent to obtain 3 &bgr; hydroxy-16 &agr;, 17-oxido-5 pregnen-20-one, converting the 3 &bgr; hydroxy-16&agr;, 17-oxido-5-pregnen-20-one by reacting with hydrazine in the presence of a strong base at refluxing temperature followed by oxidation to obtain desired guggulsterones viz. to 5, 17-(20)-cis and trans pregnadiene-3 &bgr;, 16-diol of the formula Ia and Ib.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 23, 2004
    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Ram Pratap, Dharmendra Pratap Singh, Raghavendra Pal, Satyawan Singh
  • Publication number: 20030216363
    Abstract: The invention provides a method of using pregnadienones and pregnadienols represented by the structural formula (I) as shown herein below 1
    Type: Application
    Filed: March 14, 2003
    Publication date: November 20, 2003
    Applicant: Council of Scientific & Industrial Research
    Inventors: Ram Pratap, Ram Chandra Gupta, Ramesh Chander, Ashok Kumar Khanna, Arvind Kumar Srivastava, Deepak Raina, Satyavan Singh, Savita Srivastava, Anil Kumar Rastogi, Omkar Prasad Asthana, Swarn Nityanand, Nitya Anand, Ashim Ghatak, Narinder Kumar Kapoor, Sukh Dev
  • Publication number: 20030199697
    Abstract: The present invention a novel use of primaquine derivative N1-(3-ethylidinotetrahydrofuran-2-one)-N4-(6-methoxy-8-quinolinyl)-1,4-pentanediamine in the treatment and contolling the spread of malaria. In particular, the present invention discloses a method of treatment of malaria by the use of primaquine derivative N1-(3-ethylidinotetrahydrofuran-2-one)-N4-(6-methoxy-8-quinolinyl)-1,4-pentanediamine as a gametocytocidal agent.
    Type: Application
    Filed: May 21, 1999
    Publication date: October 23, 2003
    Inventors: RAM PRATAP, AMIYA PRASAD BHADURI, HARSH PATI THAPLIYAL, SUNIL KUMAR PURI, GURU PRASAD DUTTA, ANIL KUMAR DWIVEDI, SATYAWAN SINGH, PRATIMA SRIVASTAVA, VIKASH CHANDRA PANDEY, SUDHIR SRIVASTAVA, SHIO KUMAR SINGH, RAM CHANDRA GUPTA, JAGDISHWAR SAHAI SRIVASTAVA, OMKAR PRASAD ASTHANA
  • Patent number: 6579862
    Abstract: The invention provides a method of using pregnadienones and pregnadienols represented by the structural formula (I): containing at least one olefinic bond in or on their D-ring for the treatment of hyperlipidemic and hyperglycemic conditions in mammals wherein X═OH or O and the olefinic bonds are at 4(5); 5(6); 16(17); or 17(20) or various combinations, and wherein the compounds contain at lest one olefinic bond in or on their D-ring. The method comprises administering an effective amount of said compounds to recipient mammals.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: June 17, 2003
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ram Pratap, Ram Chandra Gupta, Ramesh Chander, Ashok Kumar Khanna, Arvind Kumar Srivastava, Deepak Raina, Satyavan Singh, Savita Srivastava, Anil Kumar Rastogi, Omkar Prasad Asthana, Swarn Nityanand, Nitya Anand, Ashim Ghatak, Narinder Kumar Kapoor, Sukh Dev
  • Publication number: 20030099729
    Abstract: The present invention provides new uses of Gugulipid, an ethyl acetate extract of the resin of the plant Comiphora wighitii, for controlling or preventing cognitive dysfunction, hyperglycemia and some infective conditions of the skin and a method of preparing Gugulipid by agitating the resin in shake flask assembly or sonicating assembly and preparing a solid or a creamy dosage forms.
    Type: Application
    Filed: December 20, 2002
    Publication date: May 29, 2003
    Inventors: Ram Pratap, Raghwendra Pal, Satyawan Singh, Girja Shankar, Chandeshwar Nath, Hemant Kumar Singh, Depak Raina, Arwind Kumar Srivastava, Anil Kumar Rastogi, Puvvada Sri Ramachandra Murthy, Sudhir Srivastava, Onkar Prasad Asthana, Narendra Singh, Nitya Nand
  • Publication number: 20020119206
    Abstract: The present invention provides new uses of Gugulipid, an ethyl acetate extract of the resin of the plant Comiphora wighitii, for controlling or preventing cognitive dysfunction, hyperglycemia and some infective conditions of the skin and a method of preparing Gugulipid by agitating the resin in shake flask assembly or sonicating assembly and preparing a solid or a creamy dosage forms.
    Type: Application
    Filed: December 22, 2000
    Publication date: August 29, 2002
    Inventors: Ram Pratap, Raghwendra Pal, Satyawan Singh, Girja Shankar, Chandeshwar Nath, Hemant Kumar Singh, Depak Raina, Arwind Kumar Srivastava, Anil Kumar Rastogi, Puvvada Ramachandra Murthy, Sudhir Srivastava, Onkar Prasad Asthana, Narendra Singh, Nitya Nand