Patents by Inventor Rajiv Malik

Rajiv Malik 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: 7793329
    Abstract: Method and system for reducing switching delays between digital video feeds using multicast slotted transmission technique. Method, system, computer program stored on a computer readable medium for reducing switching delays between digital video feeds or different video or data channels using a slotted distribution and transmission technique. Method and system for performing a fast channel change operation. A computer propagated data signal. An article of manufacture comprising a digital video signal set.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: September 7, 2010
    Assignee: Kasenna, Inc.
    Inventors: Vinay Joshi, Jayakumar Muthukumarasamy, Satish Menon, Rajiv Malik
  • Publication number: 20080109557
    Abstract: Multi-media and video content distribution and transmission scheme. Method and system for reducing video media channel switching delays that might conventionally occur between different digital video feeds using a personalized unicast video distribution and personalized transmission techniques. Method and system for performing a unicast channel change operation between a client and a server coupled with the client. A fast channel change appliance.
    Type: Application
    Filed: February 6, 2007
    Publication date: May 8, 2008
    Inventors: Vinay Joshi, Jayakumar K. Muthukumarasamy, Rajiv Malik
  • Publication number: 20080044468
    Abstract: The present invention relates to a method for the preparation of bioavailable dosage form of modafinil.
    Type: Application
    Filed: July 24, 2003
    Publication date: February 21, 2008
    Inventors: Romi Barat Singh, Pananchukunnath Manoj Kumar, Vishnubhotla Nagaprasad, Sunilendu Bhshan Roy, Rajiv Malik
  • Publication number: 20070250890
    Abstract: Method and system for reducing switching delays between digital video feeds using multicast slotted transmission technique. Method, system, computer program stored on a computer readable medium for reducing switching delays between digital video feeds or different video or data channels using a slotted distribution and transmission technique. Method and system for performing a fast channel change operation. A computer propagated data signal. An article of manufacture comprising a digital video signal set.
    Type: Application
    Filed: February 6, 2007
    Publication date: October 25, 2007
    Inventors: Vinay Joshi, Jayakumar Muthukumarasamy, Satish Menon, Rajiv Malik
  • Publication number: 20070185194
    Abstract: The present invention relates to stable oral compositions of azithromycin monohydrate with reduced bitterness, processes for making these compositions, and methods of using these compositions for the treatment of microbial infections. The stable oral compositions of azithromycin include an azithromycin premix, at least one pharmaceutically accepted excipient, and, optionally, at least one taste-masking agent. The azithromycin premix includes azithromycin monohydrate and at least one additive.
    Type: Application
    Filed: July 1, 2004
    Publication date: August 9, 2007
    Inventors: Kamal Mehta, Rajeev Mathur, Sujata Paul, Sanjeev Sethi, Rajiv Malik
  • Publication number: 20070167380
    Abstract: A pharmaceutical composition includes erythromycin A or a derivative thereof and alginic acid. The alginic acid provides taste masking of the erythromycin A or derivative. The erythromycin A derivative may be clarithromycin and the alginic acid may be one or both of alginic acid and its salt. The salt may be one or more of sodium alginate and calcium alginate. The pharmaceutical composition may further include one or more of a binder, a disintegrant, a flavoring agent, and a coating. The pharmaceutical composition also may include one or more active ingredients, including omeprazole, metronidazole, amoxicillin, rifampicin, lansoprazole, ciprofloxacin, ethambutol, and ritonavir. The erythromycin A or a derivative thereof and the one or more active ingredients may be combined in a single pharmaceutical composition.
    Type: Application
    Filed: April 3, 2003
    Publication date: July 19, 2007
    Inventors: Rahul Dabre, Vishnubhotla Nagaprasad, Rajiv Malik
  • Publication number: 20060270715
    Abstract: The technical field of the present invention relates to stable solid dosage forms of amlodipine base; and process of preparation thereof. In particular, it relates to solid dosage forms free of dicalcium phosphate. The stable amlodipine solid dosage form includes amlodipine base, microcrystalline cellulose, is substantially free of dicalcium phosphate, and has less than about 0.5% concentration (w/w) of Impurity D after three months at 40° C. and 75% relative humidity.
    Type: Application
    Filed: February 27, 2004
    Publication date: November 30, 2006
    Inventors: Romi Singh, Nidhi Singh, Vishnubhetla Nagaprasad, Rajiv Malik
  • Publication number: 20060233875
    Abstract: The technical field of the present invention relates to uncoated, taste masked sumatriptan tablets for oral administration and processes for their preparation. It also relates to wax polished sumatriptan tablets and processes for their preparation.
    Type: Application
    Filed: July 17, 2003
    Publication date: October 19, 2006
    Inventors: Rajeev Mathur, T. Kumar, Sunilendu Roy, Rajiv Malik
  • Patent number: 7115281
    Abstract: The invention relates to processes for preparing, and pharmaceutical compositions of, modafinil dosage forms for oral administration. The dosage forms include a mixture of coarse and fine particles of modafinil. The process for preparing modafinil oral dosage forms includes forming a dosage form that includes about 7%–25% by weight of modafinil particles having diameters greater than 220 ?m and about 75%–93% by weight of modafinil particles having diameters less than 220 ?m.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: October 3, 2006
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Romi Barat Singh, Pannanchukunnath Manoj Kumar, Vishnubhotla Nagaprasad, Sunilendu Bhushan Roy, Rajiv Malik
  • Publication number: 20060189565
    Abstract: The technical field of the invention relates to pharmaceutical compositions of 9-(1,3-dihydroxy-2-propoxymethyl) guanine (ganciclovir) that are stable and contain more than 1% water content. One pharmaceutical composition includes ganciclovir having more than about 1% water content, and one or more pharmaceutically acceptable excipients. The ganciclovir retains at least about 97% of its initial purity after one month, at least about 96% of its initial purity after two months, and at least about 95% of its initial purity after three months when stored at 40° C. and 75% RH. In particular, the water content may be between about 2% and about 6%.
    Type: Application
    Filed: October 22, 2003
    Publication date: August 24, 2006
    Inventors: Rajeev Mathur, Pananchukunnath Kumar, Sunilendu Roy, Rajiv Malik
  • Publication number: 20060159758
    Abstract: The present invention relates to coating compositions for taste masking and methods for applying the coating compositions to dosage forms to mask the taste of a medicinal substance. The taste masking coating compositions generally include a copolymer of acrylate and methacrylate with a quaternary ammonium group in combination with sodium carboxymethylcellulose and a polyvinyl alcohol-polyethylene glycol copolymer.
    Type: Application
    Filed: December 11, 2003
    Publication date: July 20, 2006
    Inventors: Rajesh Gandhi, Chayapathy Issa, Rajiv Malik
  • Publication number: 20060148826
    Abstract: The technical field of the present invention relates to stable aqueous solution of risperidone for oral administration; and process for preparation thereof.
    Type: Application
    Filed: August 25, 2003
    Publication date: July 6, 2006
    Inventors: Ashish Gogia, Sunilendu Roy, Rajiv Malik
  • Publication number: 20060147528
    Abstract: The present invention relates to oral extended release, multiple unit dosage forms of phenytoin sodium in which individual units comprising phenytoin sodium are coated with one or more film forming polymers. The individual units include between greater than 75% w/w and about 90% w/w of phenytoin sodium.
    Type: Application
    Filed: February 27, 2004
    Publication date: July 6, 2006
    Inventors: Deepak Murpani, Rajiv Malik
  • Publication number: 20060147519
    Abstract: The invention relates to robust formulations of valacyclovir hydrochloride tablets. A robust tablet includes a hydrated form of valacyclovir hydrochloride having a water of hydration content of more than approximately 3% w/w and a particle size of less than approximately 355 ?m.
    Type: Application
    Filed: June 24, 2003
    Publication date: July 6, 2006
    Inventors: Ashish Gogia, Romi Singh, Pananchukunnath Kumar, Sunilendu Roy, Rajiv Malik
  • Publication number: 20060141023
    Abstract: The present invention relates to an orally administered pharmaceutical composition that is a combination of two or more antidiabetic agents in which one of the antidiabetic agents is present in an extended release form and the other antidiabetic agent is present in an immediate release form.
    Type: Application
    Filed: November 13, 2003
    Publication date: June 29, 2006
    Inventors: Anupam Trehan, Sumit Madan, Vinod Arora, Rajiv Malik
  • Publication number: 20060110445
    Abstract: The present invention relates to a process for the preparation of a dispersible tablet dosage form comprising ?-lactam antibiotics for oral administration.
    Type: Application
    Filed: July 16, 2003
    Publication date: May 25, 2006
    Inventors: Shashikanth Isloor, Shishir Bhand, Sunilendu Bhushan, Rajiv Malik
  • Publication number: 20060039968
    Abstract: The present invention is generally directed to methods for preparing stable gabapentin tablets by wet granulation. A wet granulation method for preparing gabapentin tablets includes forming a mixture by dry mixing of a first portion of a binder with the gabapentin, one or more excipients, or a combination of the gabapentin and the one or more excipients; and adding a second portion of the binder to the mixture, wherein the second portion of the binder is in the form of a solution or dispersion.
    Type: Application
    Filed: October 8, 2003
    Publication date: February 23, 2006
    Inventors: Ramalingam Manikandan, Ashish Gogia, Sunilendu Roy, Rajiv Malik
  • Publication number: 20060039981
    Abstract: The invention relates to taste masked dosage forms utilizing low amounts of taste masking polymer, and simple and economical processes for the preparation of the taste masked dosage forms. The taste-masked dosage form includes one or more drugs and one or more cationic polymers synthesized from dimethylaminoethyl methacrylate and neutral methacrylic acid esters. The wt/wt ratio of the drug to polymer is less than about one to two.
    Type: Application
    Filed: September 4, 2003
    Publication date: February 23, 2006
    Inventors: Deepak Murpani, Vinod Arora, Rajiv Malik
  • Publication number: 20060002997
    Abstract: The present invention generally relates to controlled release dosage forms which provide immediate release and sustained release of nitrofurantoin, and processes for their preparation. The controlled release dosage form includes a sustained release portion and an immediate release portion. The sustained release portion includes nitrofurantoin and one or more pH dependent hydrophilic polymers. The immediate release portion includes nitrofurantoin.
    Type: Application
    Filed: August 25, 2003
    Publication date: January 5, 2006
    Inventors: Puneet Shamar, Pananchukunnath Kumar, Vishnubhotla Nagaprasad, Sunilendu Roy, Rajiv Malik
  • Publication number: 20060002998
    Abstract: The present invention relates to orally administered pharmaceutical compositions that include a combination of antidiabetic agents wherein one agent is present in an extended release form and the other agent is present in an immediate release form. For example, in one embodiment the dosage form includes an extended release layer that includes a biguanide; and an immediate release layer that includes a sulfonylurea.
    Type: Application
    Filed: November 17, 2003
    Publication date: January 5, 2006
    Inventors: Anupam Trehan, Sumit Madan, Vinod Arora, Rajiv Malik