Patents by Inventor Louis D. Heerze
Louis D. Heerze 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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Patent number: 9404051Abstract: The present invention relates to the bioupgrading of crude oil is directed to a process for decreasing the acidity of an acidic crude oil, comprising contacting an acidic crude oil with a mixture nitrogen containing compounds selected from the group comprising ammonia, ammonia hydroxide, amines and the salts thereof, and in the presence of lipase enzyme, under conditions of suitable temperature and pressure sufficient to form the corresponding amide. The resulting naphthenic acid derived amides can then be processed normally in a refinery using such processes as cracking or hydrotreating and converted to hydrocarbon, ammonia and carbon dioxide without causing damage to the refinery infrastructure. This enzyme process is done at reduced temperatures (40-60° C.) and pressures requiring less energy.Type: GrantFiled: April 14, 2009Date of Patent: August 2, 2016Assignee: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural ResourcesInventor: Louis D. Heerze
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Patent number: 8980620Abstract: The present invention relates to the use of microorganisms (biocatalysts), or catalysts derived from these organisms (enzymes), to improve the quality of crude oil and bitumen as an attractive alternative to current upgrading methods. The invention identifies and characterizes the microorganism species, in particular, N. muscorum (UTEX 2209) and Kocuria rhizophilia (ATCC533), that have the capability to biochemically convert organic acids into chemical species that do not possess corrosive properties.Type: GrantFiled: April 24, 2009Date of Patent: March 17, 2015Assignee: Her Majesty the Queen in Right of Canada as Represented by the Minister of Natural ResourcesInventors: Heather D. Dettman, Ryan Lister, Louis D. Heerze
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Publication number: 20120034683Abstract: The present invention relates to the use of microorganisms (biocatalysts), or catalysts derived from these organisms (enzymes), to improve the quality of crude oil and bitumen as an attractive alternative to current upgrading methods. The invention identifies and characterizes the microorganism species, in particular, N. muscorum (UTEX 2209) and Kocuria rhizophilia (ATCC533), that have the capability to biochemically convert organic acids into chemical species that do not possess corrosive properties.Type: ApplicationFiled: April 24, 2009Publication date: February 9, 2012Applicant: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural ResourcesInventors: Heather D. Dettman, Ryan Lister, Louis D. Heerze
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Publication number: 20120028341Abstract: The present invention relates to the bioupgrading of crude oil is directed to a process for decreasing the acidity of an acidic crude oil, comprising contacting an acidic crude oil with a mixture nitrogen containing compounds selected from the group comprising ammonia, ammonia hydroxide, amines and the salts thereof, and in the presence of lipase enzyme, under conditions of suitable temperature and pressure sufficient to form the corresponding amide. The resulting naphthenic acid derived amides can then be processed normally in a refinery using such processes as cracking or hydrotreating and converted to hydrocarbon, ammonia and carbon dioxide without causing damage to the refinery infrastructure. This enzyme process is done at reduced temperatures (40-60° C.) and pressures requiring less energy.Type: ApplicationFiled: April 14, 2009Publication date: February 2, 2012Inventor: Louis D. Heerze
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Patent number: 6465435Abstract: This invention relates to prevention and/or treatment of antibiotic associated diarrhea, including Clostridium difficile associated diarrhea (CDAD), pseudomembranous colitis (PMC) and other conditions associated with C. difficile infection, using oligosaccharide compositions which bind C. difficile toxin B. More specifically, the invention concerns neutralization of C. difficile toxin B associated with such conditions.Type: GrantFiled: June 13, 2000Date of Patent: October 15, 2002Assignee: SYNSORB Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Publication number: 20020054880Abstract: The present invention is directed to methods of suppressing inflammatory responses, inducing tolerance to an antigen, and suppressing cell adhesion, e.g., involved in metastasis, by the administration of lectin derived carbohydrate binding peptides or derivatives thereof, in particular, peptides capable of binding terminally linked &agr;-sialic acid(2→6)&bgr;Gal- and/or &agr;-sialic acid(2→3)&bgr;Gal-groups on structures or molecules comprising such groups. Pharmaceutical compositions containing such lectin derived carbohydrate binding peptides or derivatives thereof are also disclosed.Type: ApplicationFiled: April 18, 2001Publication date: May 9, 2002Inventors: Louis D. Heerze, Glen D. Armstrong, Richard Smith
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Patent number: 6358930Abstract: This invention relates to prevention and/or treatment of antibiotic associated diarrhea, including Clostridium difficile associated diarrhea (CDAD), pseudomembranous colitis (PMC) and other conditions associated with C. difficile infection, using oligosaccharide compositions which bind C. difficile toxin B. More specifically, the invention concerns neutralization of C. difficile toxin B associated with such conditions.Type: GrantFiled: November 4, 1999Date of Patent: March 19, 2002Assignee: Synsorb Biotech Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 6245883Abstract: The present invention is directed to lectin derived carbohydrate binding peptides or derivatives thereof useful for suppressing inflammatory responses, inducing tolerance to an antigen, and suppressing cell adhesion, e.g., involved in metastasis. In particular, peptides capable of binding terminally linked &agr;-sialic acid(2-6)&bgr;Gal- and/or &agr;-sialic acid(2-3)&bgr;Gal-groups on structures or molecules comprising such groups are provided. Pharmaceutical compositions containing such lectin derived carbohydrate binding peptides are also disclosed.Type: GrantFiled: September 9, 1998Date of Patent: June 12, 2001Assignee: Alberta Research CouncilInventors: Louis D. Heerze, Glen D. Armstrong, Richard Smith
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Patent number: 6107282Abstract: This invention relates to prevention and/or treatment of antibiotic associated diarrhea, including Clostridium difficile associated diarrhea (CDAD), pseudomembranous colitis (PMC) and other conditions associated with C. difficile infection, using oligosaccharide compositions which bind C. difficile toxin B. More specifically, the invention concerns neutralization of C. difficile toxin B associated with such conditions.Type: GrantFiled: October 18, 1999Date of Patent: August 22, 2000Assignee: SYNSORB Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 6069137Abstract: This invention relates to treatment of traveller's diarrhea, including diarrhea caused by enterotoxigenic E. coli (ETEC), using oligosaccharide compositions which bind E. coli heat-labile toxin (LT) and/or one or more serotypes of enterotoxigenic E. coli organisms. More specifically, the invention concerns neutralization and removal of LT associated with traveller's diarrhea. This invention also relates to prevention of ETEC from colonizing the intestinal tract and inducing disease.Type: GrantFiled: April 30, 1998Date of Patent: May 30, 2000Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 6013635Abstract: This invention relates to prevention and/or treatment of antibiotic associated diarrhea, including Clostridium difficile associated diarrhea (CDAD), pseudomembranous colitis (PMC) and other conditions associated with C. difficile infection, using oligosaccharide compositions which bind C. difficile toxin B. More specifically, the invention concerns neutralization of C. difficile toxin B associated with such conditions.Type: GrantFiled: May 28, 1998Date of Patent: January 11, 2000Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5939397Abstract: This invention relates to treatment of cholera and related conditions using oligosaccharide compositions which bind V. cholera toxin and/or one or more serotypes of the organism V. cholera. More specifically, the invention concerns neutralization and removal of V. cholera toxin and/or organisms from the intestinal tract.Type: GrantFiled: March 25, 1998Date of Patent: August 17, 1999Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5891860Abstract: This invention relates to treatment of traveller's diarrhea, including diarrhea caused by enterotoxigenic Escherichia coli (ETEC), using an oligosaccharide-containing composition. The composition contains an oligosaccharide sequence covalently attached to a pharmaceutically acceptable solid, inert support through a non-peptidyl compatible linker arm. The oligosaccharide-containing composition binds E. coli heat-labile toxin (LT). More specifically, the invention concerns neutralization and removal of LT associated with traveller's diarrhea.Type: GrantFiled: April 16, 1998Date of Patent: April 6, 1999Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5833990Abstract: The present invention is directed to methods of suppressing inflammatory responses, inducing tolerance to an antigen, and suppressing cell adhesion, e.g., involved in metastasis, by the administration of lectin derived carbohydrate binding peptides or derivatives thereof, in particular, peptides capable of binding terminally linked .alpha.-sialic acid(2.fwdarw.6).beta.Gal- and/or .alpha.-sialic acid(2.fwdarw.3).beta.Gal-groups on structures or molecules comprising such groups. Pharmaceutical compositions containing such lectin derived carbohydrate binding peptides or derivatives thereof are also disclosed.Type: GrantFiled: February 17, 1995Date of Patent: November 10, 1998Assignee: Alberta Research CouncilInventors: Louis D. Heerze, Glen D. Armstrong, Richard Smith
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Patent number: 5817633Abstract: This invention relates to treatment of cholera and related conditions using oligosaccharide compositions which bind V. cholerae toxin and/or one or more serotypes of the organism V. cholerae. More specifically, the invention concerns neutralization and removal of V. cholerae toxin and/or organisms from the intestinal tract.Type: GrantFiled: July 9, 1996Date of Patent: October 6, 1998Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5811409Abstract: This invention relates to treatment of cholera and related conditions using oligosaccharide compositions which bind V. cholerae toxin and/or one or more serotypes of the organism V. cholerae. More specifically, the invention concerns neutralization and removal of V. cholerae toxin and/or organisms from the intestinal tract.Type: GrantFiled: June 5, 1995Date of Patent: September 22, 1998Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5747040Abstract: The present invention is directed to methods of suppressing inflammatory responses, inducing tolerance to an antigen, and suppressing cell adhesion, e.g., involved in metastasis, by the administration of lectin derived carbohydrate binding peptides or derivatives thereof, in particular, peptides capable of binding terminally linked .alpha.-sialic acid(2.fwdarw.6).beta.Gal- and/or .alpha.-sialic acid(2.fwdarw.3).beta.Gal- groups on structures or molecules comprising such groups. Pharmaceutical compositions containing such lectin derived carbohydrate binding peptides or derivatives thereof are also disclosed.Type: GrantFiled: February 17, 1995Date of Patent: May 5, 1998Assignee: Alberta Research CouncilInventors: Louis D. Heerze, Glen D. Armstrong, Richard Smith
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Patent number: 5736143Abstract: The present invention is directed to methods of suppressing inflammatory responses, including tolerance to an antigen, and suppressing cell adhesion, e.g., involved in metastasis, by the administration of lectin derived carbohydrate binding peptides or derivatives thereof, in particular, peptides capable of binding terminally linked .alpha.-sialic acid (2.fwdarw.6).beta.Gal- and/or .alpha.-sialic acid(2.fwdarw.3).beta.Gal-groups on structures or molecules comprising such groups. Pharmaceutical compositions containing such lectin derived carbohydrate binding peptides or derivatives thereof are also disclosed.Type: GrantFiled: February 17, 1995Date of Patent: April 7, 1998Assignee: Alberta Research CouncilInventors: Louis D. Heerze, Glen D. Armstrong, Richard Smith
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Patent number: 5661131Abstract: This invention relates to treatment of cholera and related conditions using oligosaccharide compositions which bind V. cholerae toxin and/or one or more serotypes of the organism V. cholerae. More specifically, the invention concerns neutralization and removal of V. cholerae toxin and/or organisms from the intestinal tract.Type: GrantFiled: June 5, 1995Date of Patent: August 26, 1997Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong
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Patent number: 5637576Abstract: This invention relates to treatment of traveller's diarrhea, including diarrhea caused by enterotoxogenic Escherichia coli (ETEC), using an oligosaccharide-containing composition. The composition contains an oligosaccharide sequence covalently attached to a pharmaceutically acceptable solid, inert support through a non-peptidyl compatible linker arm. The oligosaccharide-containing composition binds E. coli heat-labile toxin (LT). More specifically, the invention concerns neutralization and removal of LT associated with traveller's diarrhea.Type: GrantFiled: June 5, 1995Date of Patent: June 10, 1997Assignee: Synsorb Biotech, Inc.Inventors: Louis D. Heerze, Glen D. Armstrong