Patents by Inventor Louis Clark

Louis Clark 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: 9322027
    Abstract: The present invention provides promoters derived from a filamentous fungus. These promoters have application in the fields of molecular biology, microbiology, fungal genetics and production of biofuels and other products.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: April 26, 2016
    Assignee: Shell Oil Company
    Inventors: Jennifer L. Shock, Louis Clark
  • Publication number: 20160090612
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 31, 2016
    Inventors: Douglas A. HATTENDORF, Jennifer L. SHOCK, Louis CLARK
  • Patent number: 9260705
    Abstract: The present invention relates to cellobiohydrolase variants having improved thermostability in comparison to wild-type CBH2a.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: February 16, 2016
    Assignee: Codexis, Inc.
    Inventors: Dipnath Baidyaroy, Louis Clark, David Elgart, Rama Voladri, Xiyun Zhang
  • Publication number: 20160010115
    Abstract: Genetically engineered cells and microorganisms are provided that produce fatty alcohols and fatty acids. In particular, engineered microbial cells comprise a modified native gene having ?-ketoacyl-acp synthase activity.
    Type: Application
    Filed: December 4, 2013
    Publication date: January 14, 2016
    Applicant: Codexis, Inc.
    Inventors: Smita Shankar, Louis Clark, Robert Osborne, Jonathan Vroom, Fernando Valle, Catherine M. Cho
  • Patent number: 9175324
    Abstract: The invention relates to expression of a recombinant C1 ?-glucosidase. The invention also provides methods for producing a fermentable sugar from cellobiose by contacting cellobiose with a recombinant host cell comprising a polynucleotide sequence encoding C1 ?-glucosidase, operably linked to heterologous promoter, under conditions in which ?-glucosidase is expressed and secreted by the cell and the cellobiose is enzymatically converted by said ?-glucosidase to glucose. Methods of the invention may be used for conversion of a biomass substrate to a fermentable sugar, and ultimately to ethanol or other biofuel.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: November 3, 2015
    Assignee: Codexis, Inc.
    Inventors: Louis A. Clark, Dipnath Baidyaroy, Lorand Szabo
  • Patent number: 9163221
    Abstract: The present disclosure provides methods useful for producing fatty alcohol compositions from recombinant host cells. The disclosure further provides variant fatty acyl-CoA reductase (FAR) enzymes, polynucleotides encoding the variant FAR enzymes, and vectors and host cells comprising the same.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: October 20, 2015
    Assignee: CODEXIS, INC.
    Inventors: Behnaz Behrouzian, Louis Clark, Yihui Zhu, Michael Clay, Kristian Karlshoej
  • Patent number: 9157103
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 13, 2015
    Assignee: Shell Oil Company
    Inventors: Douglas A. Hattendorf, Jennifer L. Shock, Louis Clark
  • Patent number: 9150843
    Abstract: The invention relates to recombinantly produced ?-glucosidase variants with enhanced thermoactivity compared to naturally occurring proteins. The invention also provides methods for producing a variant ?-glucosidase polypeptide with improved thermoactivity by identifying performance sensitive positions in a target ?-glucosidase polypeptide and substituting the residue at that position with a thermoactivity enhancing residue.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: October 6, 2015
    Assignee: Codexis, Inc.
    Inventors: Xiyun Zhang, Jie Yang, Dipnath Baidyaroy, Sally R. Postlethwaite, Attila Andor, Louis A. Clark, Lisa Marie Newman
  • Publication number: 20150197736
    Abstract: The present invention relates to cellobiohydrolase variants having improved thermostability in comparison to wild-type CBH2a.
    Type: Application
    Filed: December 31, 2014
    Publication date: July 16, 2015
    Inventors: DIPNATH BAIDYAROY, LOUIS CLARK, DAVID ELGART, RAMA VOLADRI, XIYUN ZHANG
  • Publication number: 20150176040
    Abstract: Recombinant microorganisms are provided which have been engineered to produce fatty alcohols. Also provided are recombinant microorganisms which comprise a heterologous polynucleotide encoding a fatty alcohol reductase enzyme and an introduced polynucleotide encoding a ?-ketoacyl acyl carrier protein synthase.
    Type: Application
    Filed: July 19, 2013
    Publication date: June 25, 2015
    Applicant: Codexis, Inc.
    Inventors: Jonathan Vroom, Svetlana Balatskaya, Yoram Barak, Louis Clark, Trish Choudhary, Kristian Karlshoej, Fernando Valle, Kaman Chan
  • Publication number: 20150133698
    Abstract: The invention generally relates to the production of a fatty alcohol composition from recombinant microbial cells. The fatty alcohols are produced by expressing a gene encoding a heterologous fatty alcohol forming acyl-CoA reductase (“FAR”); a gene encoding a heterologous thioesterase (“TE”) gene and a gene encoding an acyl-CoA synthetase (“ACS”).
    Type: Application
    Filed: April 19, 2013
    Publication date: May 14, 2015
    Inventors: Kaman Chan, Fernando Valle, Yoram Barak, Louis Clark, Kristian Karlshoej
  • Patent number: 8993277
    Abstract: The present invention provides compositions and methods for the expression of recombinant ?-glucosidase variants, as well as their use in the production of fermentable sugars from cellulosic biomass.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 31, 2015
    Assignee: Codexis, Inc.
    Inventors: Dipnath Baidyaroy, Louis Clark, Lisa M. Newman
  • Publication number: 20150064766
    Abstract: The invention relates to recombinantly produced ?-glucosidase variants with enhanced thermoactivity compared to naturally occurring proteins. The invention also provides methods for producing a variant ?-glucosidase polypeptide with improved thermoactivity by identifying performance sensitive positions in a target ?-glucosidase polypeptide and substituting the residue at that position with a thermoactivity enhancing residue.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 5, 2015
    Inventors: Xiyun Zhang, Jie Yang, Dipnath Baidyaroy, Sally R. Postlethwaite, Attila Andor, Louis A. Clark, Lisa Marie Newman
  • Publication number: 20150050702
    Abstract: The invention relates to expression of a recombinant C1 ?-glucosidase. The invention also provides methods for producing a fermentable sugar from cellobiose by contacting cellobiose with a recombinant host cell comprising a polynucleotide sequence encoding C1 ?-glucosidase, operably linked to heterologous promoter, under conditions in which ?-glucosidase is expressed and secreted by the cell and the cellobiose is enzymatically converted by said ?-glucosidase to glucose. Methods of the invention may be used for conversion of a biomass substrate to a fermentable sugar, and ultimately to ethanol or other biofuel.
    Type: Application
    Filed: November 3, 2014
    Publication date: February 19, 2015
    Inventors: Louis A. Clark, Dipnath Baidyaroy, Lorand Szabo
  • Patent number: 8956845
    Abstract: The invention relates to recombinantly produced ?-glucosidase variants with enhanced thermoactivity compared to naturally occurring proteins. The invention also provides methods for producing a variant ?-glucosidase polypeptide with improved thermoactivity by identifying performance sensitive positions in a target ?-glucosidase polypeptide and substituting the residue at that position with a thermoactivity enhancing residue.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: February 17, 2015
    Assignee: Codexis, Inc.
    Inventors: Xiyun Zhang, Jie Yang, Dipnath Baidyaroy, Sally R. Postlethwaite, Attila Andor, Louis A. Clark, Lisa Marie Newman
  • Patent number: 8945903
    Abstract: The present invention relates to cellobiohydrolase variants having improved thermostability in comparison to wild-type CBH2a.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 3, 2015
    Assignee: Codexis, Inc.
    Inventors: Dipnath Baidyaroy, Louis Clark, David Elgart, Rama Voladri, Xiyun Zhang
  • Publication number: 20150017698
    Abstract: The present disclosure relates to recombinant host cells comprising one or more recombinant polynucleotides encoding enzymes in select pathways that provide the ability to use the cells to produce 1,3-butadiene. The present disclosure also provides methods of manufacturing the recombinant host cells, and methods for the use of the cells to produce 1,3-butadiene. The methods utilize recombinant host cells that comprise an engineered pathway of enzymes that provides for the conversion of naturally occurring intermediate crotonyl-CoA (or -ACP) to 1,3-butadiene through enzyme catalyzed steps involving the reduction of glutaconyl-CoA (or -ACP) to form the intermediate 5-hydroxypent-3-enoate. The disclosure provides alternative engineered pathway involving either decarboxylation of 5-hydroxypent-3-enoate directly to 1,3-butadiene, or phosphorylation of 5-hydroxypent-3-enoate followed by a phosphate elimination step catalyzed by a decarboxylase to produce 1,3-butadiene.
    Type: Application
    Filed: February 26, 2013
    Publication date: January 15, 2015
    Inventors: Gregory A. Cope, Louis Clark
  • Publication number: 20140357727
    Abstract: The present disclosure provides methods useful for producing fatty alcohol compositions from recombinant host cells. The disclosure further provides fatty acyl-CoA reductase (FAR) variant enzymes, polynucleotides encoding the FAR variant enzymes, and vectors and host cells comprising polynucleotides encoding the FAR variant enzymes.
    Type: Application
    Filed: December 13, 2012
    Publication date: December 4, 2014
    Inventors: Louis A. Clark, Kristian Karlshoej, Patricia Choudhary
  • Patent number: 8900847
    Abstract: The invention relates to expression of a recombinant C1 ?-glucosidase. The invention also provides methods for producing a fermentable sugar from cellobiose by contacting celiobiose with a recombinant host cell comprising a polynucleotide sequence encoding C1 ?-glucosidase, operably linked to heterologous promoter, under conditions in which ?-glucosidase is expressed and secreted by the cell and the cellobiose is enzymatically converted by said ?-glucosidase to glucose. Methods of the invention may be used for conversion of a biomass substrate to a fermentable sugar, and ultimately to ethanol or other biofuel.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 2, 2014
    Assignee: Codexis, Inc.
    Inventors: Louis Clark, Dipnath Baidyaroy, Lorand Szabo
  • Publication number: 20140336423
    Abstract: Recombinant bacterial microorganisms are provided which comprise heterologous fatty acyl reductases (“FAR”) polypeptides wherein said microorganisms have been engineered to produce increased amounts of saturated fatty alcohols and methods of making saturated fatty alcohols using the recombinant bacterial microorganisms.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 13, 2014
    Inventors: Fernando Valle, Svetlana Balatskaya, Yoram Barak, Louis Clark, Kristian Karlshoej, Patricia Choudhary, Catherine Cho, Kaman Chan, Jonathan Vroom