Patents by Inventor Pullela Venkata Srinivas
Pullela Venkata Srinivas 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).
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Publication number: 20120277297Abstract: The present invention relates to pharmaceutical composition comprising the naturally occurring compounds selected from (±) Marrnesin, Columbianetin, Dihydroxanthyletin and substituted coumarin derivatives of 7-allyloxy coumarin, 7-benzyloxy coumarin, 7 -methoxycoumarin, 7-acetyloxy coumarin, 4-methyl-7-hydroxy coumarin and 4-methyl-7-acetyloxy coumarin. The said compositions possess a high degree of acetylcholinesterase inhibitory (AChE) property.Type: ApplicationFiled: April 30, 2012Publication date: November 1, 2012Applicant: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Bhimapaka China Raju, Pullela Venkata Srinivas, Katragadda Suresh Babu, Jhillu Singh Yadav, Kondapuram Vijaya Raghvan, Hemant Kumar Singh, Chandiswar Nath
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Publication number: 20120209011Abstract: This invention relates to novel process for the preparation of prostaglandin compounds having formula (K), wherein R is selected from the group consisting of C1-C7 alkyl; C7-C17 aralkyl wherein the aryl group is unsubstituted or substituted with one to three substituents selected from the group consisting of C1-C6 alkyl, halo and CF3; and (CH2)nOR2 wherein n is from 1 to 3 and R2 represents a C6-C10 aryl group which is unsubstituted or substituted with one to three substituents selected from the group consisting of C1-C6 alkyl, halo and CF3; and R1 is selected from OR3 and NHR3 wherein R3 is C1-C6 alkyl, H; and dashed lines represents a double bond or a single bond, is disclosed. Novel intermediates are also disclosed.Type: ApplicationFiled: December 21, 2009Publication date: August 16, 2012Inventors: Chandrashekar Aswathanarayanappa, Pullela Venkata Srinivas, Divya Kangath, Thilak Gregory Soundararajan, Anegondi Sreenivasa Prasad, Suriyan Masinaickenpatty Raghavendran
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Patent number: 8188143Abstract: The present invention relates to pharmaceutical composition comprising the naturally occurring compounds selected from (±) Marmesin, Columbianetin, Dihydroxanthyletin and substituted coumarin derivatives of 7-allyloxy coumarin, 7-benzyloxy coumarin, 7-methoxy coumarin, 7-acetyloxy coumarin, 4-methyl-7-hydroxy coumarin and 4-methyl-7-acetyloxy coumarin. The said compositions posses a high degree of acetylcholinesterase inhibitory (AChE) property.Type: GrantFiled: March 20, 2007Date of Patent: May 29, 2012Assignee: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Bhimapaka China Raju, Pullela Venkata Srinivas, Katragadda Suresh Babu, Jhillu Singh Yadav, Kondapuram Vijaya Raghvan, Hemant Kumar Singh, Chandiswar Nath
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Publication number: 20120022274Abstract: The present disclosure provides a crystalline form of orlistat, particularly form A of orlistat. The characterization of said form is performed using X-ray diffraction studies, IR and Differential Scanning calorimetry melting endotherm studies. Also, the disclosure provides a simple process to arrive at said crystalline form.Type: ApplicationFiled: March 6, 2009Publication date: January 26, 2012Inventors: Umesh Sannachikkanna, Chandrashekar Aswathanarayanappa, Pullela Venkata Srinivas
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Publication number: 20110245285Abstract: The present invention is in relation to a process for preparation of HMG-CoA reductase inhibitor. More particularly, the present invention provides a process for preparation of (3R,5S,6E) 6-{2-[4-(4-Fluoro-phenyl)-6-isopropyl-2-(methanesulfonyl-methyl-amino)-pyrimidin-5-yl]-vinyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid, calcium salt (Rosuvastatin acetonide calcium) which is used for treating hypercholesterolemia.Type: ApplicationFiled: October 22, 2008Publication date: October 6, 2011Applicant: BIOCON LIMITEDInventors: Pullela Venkata Srinivas, Sreenivasa Prasad Anegondi, Shanmughasamy Rajmahendra, Thangarasu Ponnusamy
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Patent number: 7285571Abstract: The present invention relate to a novel synergistic composition of lignans exhibiting anticancer activities for breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate cancer obtained from the plant extract of Cedrus deodra, said composition comprising of (?)-Matairesinol in the range of 9 to 13% by weight, (?)-Wikstromol in the range of 75 to 79% by weight, Dibenzylbutyrolactol in the range of 7 to 11% by weight, and Unidentified material in the range of 2.6 to 3% by weight; further, the synergistic composition of lignan is used in combination with pharmaceutically acceptable carriers for inhibiting growth of various human cancer cell lines selected from breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate tissues.Type: GrantFiled: June 17, 2003Date of Patent: October 23, 2007Assignee: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan, Ajit Kumar Saxena, Mutiah Shanmugavel, Himani Kampasi, Gulam Nabi Qazi
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Patent number: 7081260Abstract: The present invention relates to a method for providing ?-glucosidase inhibition to a subject by administering a pharmaceutical composition comprising a ?-glucosidase inhibitory agent selected from pipataline (formula 1a), sesamin (formula 1b), pellitorine (Formula 1c), guineensine (Formula 1d) and brachystamide-B (formula 1e) having therapeutic application for diabetes mellitus, cancer, viral diseases such as hepatitis B and C, HIV, AIDS etc; also the invention provides a process for the isolation of said ?-glucosidase inhibitory agent from the plant source Piper longum in significant yields.Type: GrantFiled: October 29, 2002Date of Patent: July 25, 2006Assignee: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Vummenthala Anuradha, Ashok Kumar Tiwari, Amtul Zehra Ali, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
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Publication number: 20040081711Abstract: The present invention relates to a method for providing &agr;-glucosidase inhibition to a subject by administering a pharmaceutical composition comprising a &agr;-glucosidase inhibitory agent selected from pipataline (formula 1a), sesamin (formula 1b), pellitorine (Formula 1c), guineensine (Formula 1d) and brachystamide-B (formula 1e) having therapeutic application for diabetes mellitus, cancer, viral diseases such as hepatitis B and C, HIV, AIDS etc; also the invention provides a process for the isolation of said &agr;-glucosidase inhibitory agent from the plant source Piper longum in significant yields.Type: ApplicationFiled: October 29, 2002Publication date: April 29, 2004Inventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Vummenthala Anuradha, Ashok Kumar Tiwari, Amtul Zehra Ali, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
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Publication number: 20030216464Abstract: The present invention relate to a novel synergistic composition of lignans exhibiting anticancer activities for breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate cancer obtained from the plant extract of Cedrus deodra, said composition comprising of (−)-Matairesinol in the range of 9 to 13% by weight, (−)-Wikstromol in the range of 75 to 79% by weight, Dibenzylbutyrolactol in the range of 7 to 11% by weight, and Unidentified material in the range of 2.6 to 3% by weight; further, the synergistic composition of lignan is used in combination with pharmaceutically acceptable carriers for inhibiting growth of various human cancer cell lines selected from breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate tissues.Type: ApplicationFiled: June 17, 2003Publication date: November 20, 2003Applicant: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan, A.K. Saxena, M. Shanmugavel, Himani Kampasi, Gulam Nabi Qazi
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Patent number: 6649650Abstract: The present invention relate to a novel synergistic composition of lignans exhibiting anticancer activities for breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate cancer obtained from the plant extract of Cedrus deodra, said composition comprising of (−)-Matairesinol in the range of 9 to 13% by weight, (−)-Wikstromol in the range of 75 to 79% by weight, Dibenzylbutyrolactol in the range of 7 to 11% by weight, and Unidentified material in the range of 2.6 to 3% by weight; further, the synergistic composition of lignan is used in combination with pharmaceutically acceptable carriers for inhibiting growth of various human cancer cell lines selected from breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate tissues.Type: GrantFiled: December 7, 2001Date of Patent: November 18, 2003Assignee: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan, Ajit Kumar Saxena, Mutiah Shanmugavek, Himani Kampasi, Gulam Nabi Qazi
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Publication number: 20030118676Abstract: The present invention relate to a novel synergistic composition of lignans exhibiting anticancer activities for breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate cancer obtained from the plant extract of Cedrus deodra, said composition comprising_of (−)-Matairesinol in the range of 9 to 13% by weight, (−)-Wikstromol in the range of 75 to 79% by weight, Dibenzylbutyrolactol in the range of 7 to 11% by weight, and Unidentified material in the range of 2.6 to 3% by weight; further, the synergistic composition of lignan is used in combination with pharmaceutically acceptable carriers for inhibiting growth of various human cancer cell lines selected from breast, cervix, neuroblastoma, colon, liver, lung, mouth, ovary and prostate tissues.Type: ApplicationFiled: December 7, 2001Publication date: June 26, 2003Inventors: Janaswamy Madhusudana Rao, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan, A.K. Saxena, M. Shanmugavel, Himani Kampasi, Gulam Nabi Qazi
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Patent number: 6537593Abstract: This invention relates to the isolation of compound namely (−)-wikstromol and together with or associated with a therapeutically acceptable additive and useful as hepatoprotective agent.Type: GrantFiled: January 29, 2002Date of Patent: March 25, 2003Assignee: Council of Scientific and Industrial ResearchInventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
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Publication number: 20020094351Abstract: This invention relates to the isolation of compound namely (−)-wikstromol and together with or associated with a therapeutically acceptable additive and usefull as hepatoprotective agent.Type: ApplicationFiled: January 29, 2002Publication date: July 18, 2002Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCHInventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan