Patents by Inventor Ranjan Patnaik

Ranjan Patnaik 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).

  • METHOD FOR PRODUCING BUTANOL USING EXTRACTIVE FERMENTATION
    Publication number: 20110097773
    Abstract: A method for producing butanol through microbial fermentation, in which the butanol product is removed by extraction into a water-immiscible extractant composition comprising a first solvent and a second solvent, is provided. The first solvent is selected from the group consisting of C12 to C22 fatty alcohols, C12 to C22 fatty acids, esters of C12 to C22 fatty acids, C12 to C22 fatty aldehydes, C12 to C22 fatty amides and mixtures thereof. The second solvent is selected from the group consisting of C7 to C11 alcohols, C7 to C11carboxylic acids, esters of C7 to C11 carboxylic acids, C7 to C11 aldehydes, and mixtures thereof. Also provided is a method for recovering butanol from a fermentation medium.
    Type: Application
    Filed: April 13, 2010
    Publication date: April 28, 2011
    Applicant: BUTAMAX(TM) ADVANCED BIOFUELS LLC
    Inventors: MICHAEL CHARLES GRADY, JOHN W. HALLAM, MEHMEDALIJA JAHIC, RANJAN PATNAIK
  • METHOD FOR PRODUCING BUTANOL USING TWO-PHASE EXTRACTIVE FERMENTATION
    Publication number: 20100221802
    Abstract: A method of making butanol from at least one fermentable carbon source that overcomes the issues of toxicity resulting in an increase in the effective titer, the effective rate, and the effective yield of butanol production by fermentation utilizing a recombinant microbial host wherein the butanol is extracted into specific organic extractants during fermentation
    Type: Application
    Filed: April 13, 2010
    Publication date: September 2, 2010
    Applicant: BUTAMAX(TM) ADVANCED BIOFUELS LLC
    Inventors: MICHAEL CHARLES GRADY, MEHMEDALIJA JAHIC, RANJAN PATNAIK
  • Ribulose, 1,5-bisphosphate carboxylase/oxygenase polypeptides and related polynucleotides
    Patent number: 7745186
    Abstract: The present invention relates to novel ribulose-1,5-bisphosphate carboxylase/oxygenase polypeptides and the polynucleotides that encode them. The invention also provides related host cells and methods.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: June 29, 2010
    Assignee: Codexis, Inc.
    Inventors: Ranjini Chatterjee, Michelle M. Chen, Ranjan Patnaik, Stephen L. Schmidt
  • PROCESS FOR FERMENTIVE PREPARATION OF ALCOHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100139154
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • PROCESS FOR FERMENTIVE PREPARATION FO ALCOHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100144000
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • Process for Fermentive Preparation of Alcohols and Recovery of Product
    Publication number: 20100143995
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • Process for Fermentive Preparation of Alcohols and Recovery of Product
    Publication number: 20100143992
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E. I du Pont de Nemours and Company
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • PROCESS FOR FERMENTIVE PREPARATION OF ALCOHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100140166
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • PROCESS FOR FERMENTIVE PREPARATION OF ALCOHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100143999
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • PROCESS FOR FERMENTIVE PREPARATION OF ALCOHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100143994
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • PROCESS FOR FERMENTIVE PREPARATIONFOR ALCOLHOLS AND RECOVERY OF PRODUCT
    Publication number: 20100143993
    Abstract: This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jeanine M. Erdner-Tindall, Keith W. Hutchenson, Mark Brandon Shiflett, Ranjan Patnaik
  • Method for producing an L-tyrosine over-producing bacterial strain
    Patent number: 7700328
    Abstract: An enteric bacterial strain was engineered to over-produce L-tyrosine using a one-step method. The pheA-tyrA chromosomal region of the bacterial genome was replaced with an engineered chromosomal segment, resulting in inactivation of the pheA coding region and strong expression of the tyrA coding region, resulting in high levels of L-tyrosine production.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: April 20, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Anthony A. Gatenby, Ranjan Patnaik, Fateme Sima Sariaslani, Wonchul Suh, Tina K. Van Dyk
  • METHOD FOR PRODUCING BUTANOL USING TWO-PHASE EXTRACTIVE FERMENTATION
    Publication number: 20090305370
    Abstract: A method of making butanol from at least one fermentable carbon source that overcomes the issues of toxicity resulting in an increase in the effective titer, the effective rate, and the effective yield of butanol production by fermentation utilizing a recombinant microbial host wherein the butanol is extracted into specific organic extractants during fermentation
    Type: Application
    Filed: June 4, 2009
    Publication date: December 10, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Michael Charles Grady, Mehmedalija Jahic, Ranjan Patnaik
  • RIBULOSE, 1,5-BISPHOSPHATE CARBOXYLASE/OXYGENASE POLYPEPTIDES AND RELATED POLYNUCLEOTIDES
    Publication number: 20090162895
    Abstract: The present invention relates to novel ribulose-1,5-bisphosphate carboxylase/oxygenase polypeptides and the polynucleotides that encode them. The invention also provides related host cells and methods.
    Type: Application
    Filed: March 17, 2008
    Publication date: June 25, 2009
    Applicant: Codexis, Inc.
    Inventors: Ranjini CHATTERJEE, Michelle M. Chen, Ranjan Patnaik, Stephen L. Schmidt
  • Method for producing an L-tyrosine over-producing bacterial strain
    Publication number: 20080118958
    Abstract: An enteric bacterial strain was engineered to over-produce L-tyrosine using a one-step method. The pheA-tyrA chromosomal region of the bacterial genome was replaced with an engineered chromosomal segment, resulting in inactivation of the pheA coding region and strong expression of the tyrA coding region, resulting in high levels of L-tyrosine production.
    Type: Application
    Filed: June 7, 2006
    Publication date: May 22, 2008
    Inventors: Anthony A. Gatenby, Ranjan Patnaik, Fateme Sima Sariaslani, Wonchul Suh, Tina K. Van Dyk
  • Ribulose 1,5-bisphosphate carboxylase/oxygenase polypeptides and related polynucleotides
    Patent number: 7351562
    Abstract: The present invention relates to novel ribulose-1,5-bisphosphate carboxylase/oxygenase polypeptides and the polynucleotides that encode them. The invention also provides related host cells and methods.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: April 1, 2008
    Assignee: Codexis, Inc.
    Inventors: Ranjini Chatterjee, Michelle M. Chen, Ranjan Patnaik, Stephen L. Schmidt
  • Methods for the preparation of para-hydroxycinnamic acid and cinnamic acid at alkaline PH
    Publication number: 20050260724
    Abstract: Methods for the microbial production of para-hydroxycinnamic acid (pHCA) and cinnamic acid (CA) are provided. Microbes producing either tyrosine or phenylalanine are grown in the presence of either tyrosine ammonium lyase or phenylalanine ammonium lyase respectively where some part of the fermentation is accomplished at alkaline pH. The process results in greater yields and higher rates of para-hydroxycinnamic acid (pHCA) and cinnamic acid (CA) production as compared with fermentation exclusively at physiological pH.
    Type: Application
    Filed: April 13, 2005
    Publication date: November 24, 2005
    Inventors: Arie Ben-Bassat, Fateme Sariaslani, Lisa Huang, Ranjan Patnaik, David Lowe
  • Ribulose 1,5-bisphosphate carboxylase/oxygenase polypeptides and related polynucleotides
    Publication number: 20040038262
    Abstract: The present invention relates to novel ribulose-1,5-bisphosphate carboxylase/oxygenase polypeptides and the polynucleotides that encode them. The invention also provides related host cells and methods.
    Type: Application
    Filed: April 28, 2003
    Publication date: February 26, 2004
    Inventors: Ranjini Chatterjee, Michelle M. Chen, Ranjan Patnaik, Stephen L. Schmidt
  • Molecular breeding of transposable elements
    Publication number: 20020072097
    Abstract: Methods for producing transposable elements with improved properties as vectors are provided. Directed evolution procedures are employed to improve characteristics of transposable elements, including transposons and insertion sequences as vectors. Methods for generating diversity in vivo and in vitro using transposable elements as vectors are provided.
    Type: Application
    Filed: July 5, 2001
    Publication date: June 13, 2002
    Inventors: Stephen delCardayre, Ranjan Patnaik, Phillip Patten, Matthew Tobin, Jon E. Ness, Anthony Cox, Lorraine J. Giver, Kevin McBride, Kenneth Zahn