Patents Represented by Attorney Natalie Jensen
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Patent number: 4487830Abstract: A method for the determination of autoantibody in a test sample comprises contacting a substrate for the autoantibody with sample; treating the contacted substrate with labeled antihuman antibody selected from (1) a mixture comprising enzyme labeled antihuman antibody and fluorescent labeled antihuman antibody, and (2) antihuman antibody labeled with an enzyme and a fluorescent label; determining the enzyme activity of the treated substrate; and determining the immunofluorescent patterns in substrates exhibiting enzyme activity. The method is useful for the rapid screening and characterization of autoantibodies.Type: GrantFiled: May 14, 1982Date of Patent: December 11, 1984Assignee: American Hoechst CorporationInventors: Stephen R. Coates, Walter L. Binder
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Patent number: 4472499Abstract: Assay reagents for the determination of enzymes such as .alpha.-amylase, .alpha.-glucosidase, .beta.-glucosidase, and acid and alkaline phosphatases are described. The reagents comprise a substrate capable of releasing the chromophore p-nitrophenol at a rate proportional to the amount of enzyme being assayed and a buffer material that eliminates the temperature dependence of the chromophore.Type: GrantFiled: January 22, 1982Date of Patent: September 18, 1984Assignee: American Hoechst CorporationInventor: Ralph P. McCroskey
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Patent number: 4464165Abstract: An immunoadsorbent material comprising inactivated, protein-A bearing Staphlococcus aureus immobilized in a polymeric matrix is used to remove IgG immunoglobulins and immune complexes from whole blood.Type: GrantFiled: October 5, 1983Date of Patent: August 7, 1984Assignee: American Hoechst CorporationInventor: John K. Pollard, Jr.
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Patent number: 4434293Abstract: The novel compounds cis-3-hydroxy-4-mercaptotetrahydrothiophene (I) and octahydrodithieno(3,4-b:3',4'e) 1,4-dithin (II) are prepared from 1,4-dithiothreitol and 1,4-dithioerythritol respectively. (I) has utility as an antibacterial agent. (II) has utility as an odorant.Type: GrantFiled: August 5, 1981Date of Patent: February 28, 1984Assignee: American Hoechst CorporationInventor: Robert A. Sanchez
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Patent number: 4409330Abstract: An immunoadsorbent material comprising inactivated, protein-A bearing Staphlococcus aureus immobilized in a polymeric matrix is used to remove IgG immunoglobulins and immune complexes from whole blood.Type: GrantFiled: November 24, 1980Date of Patent: October 11, 1983Assignee: American Hoechst CorporationInventor: John K. Pollard, Jr.
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Patent number: 4403037Abstract: Erythrocytes are coated with specific hemagglutinating virus antigen and then treated to produce a stabilized, antigen coated erythrocyte preparation which is used in the determination of antibody in biological fluids.Type: GrantFiled: October 10, 1980Date of Patent: September 6, 1983Assignee: American Hoechst CorporationInventor: Stephen R. Coates
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Patent number: 4260681Abstract: A reagent system for assaying a biological specimen for a peptidase enzyme comprising a peptide substrate in which the C-terminal amino acid is dehydroalanine, the enzyme lactate dehydrogenase, the reduced coenzyme nicotinamide adenine dinucleotide and a buffer material.Type: GrantFiled: December 28, 1978Date of Patent: April 7, 1981Assignee: Calbiochem-Behring Corp.Inventor: John K. Pollard, Jr.
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Patent number: 4234680Abstract: Addition of a low concentration of an alkali metal metabisulfite completely stops color development in a peroxidase-labeled immunoassay wherein the peroxidase catalyzed reaction comprises oxidation of an achromatic substrate to the corresponding chromatic product in the presence of a peroxide.Type: GrantFiled: August 3, 1979Date of Patent: November 18, 1980Assignee: Calbiochem-Behring Corp.Inventors: Richard C. Hevey, Mark K. Malmros, Wayne W. Petko
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Patent number: 4228237Abstract: A method for determining the presence of a ligand in a liquid medium which utilizes enzyme labeled avidin and biotin labeled reagent in a specific binding process wherein the ligand to be detected is contacted with an insoluble phase containing specific binding substance for the ligand. Various protocols may be used to assay the resulting enzyme activity which is related to the amount of ligand in the liquid medium.Type: GrantFiled: September 21, 1978Date of Patent: October 14, 1980Assignee: Calbiochem-Behring Corp.Inventors: Richard C. Hevey, Mark K. Malmros
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Patent number: 4208204Abstract: Disclosed as novel compounds are 3-hydroxy-3-methylglutaric acid monoamide and the lower alkyl esters and salts thereof, 3-hydroxy-3-methylglutaramide mononitrile and 3-hydroxy-3-methylglutaramide. 3-Hydroxy-3-methylglutaric acid monoamide and derivatives thereof exhibit anti-germination and anti-growth utility against a wide variety of perennial and annual weed grasses. 3-Hydroxy-3-methylglutaramide mononitrile and 3-hydroxy-3-methylglutaramide have utility as intermediates in the preparation of 3-hydroxy-3-methylglutaric acid monoamide.Type: GrantFiled: October 7, 1977Date of Patent: June 17, 1980Assignee: Calbiochem-Behring Corp.Inventor: Andre H. Yavrouian
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Patent number: 4174798Abstract: A watch pocket for mounting on a belt includes a pair of pliable sheets shaped and secured together to form an upwardly opening pocket and a transverse belt receiving loop behind the pocket with a pair of vertical relief slits formed in the wall between the pocket and loop to provide relief of pressure on the center of the watch and permit the pocket to assume the curvature of the body around which the belt is fastened.Type: GrantFiled: October 27, 1977Date of Patent: November 20, 1979Inventor: Ray E. T. Pollard
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Patent number: 4146648Abstract: A therapeutic composition for treating adrenal cortical carcinoma comprising 1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane and an oil carrier or vehicle.Type: GrantFiled: July 14, 1977Date of Patent: March 27, 1979Assignee: Bristol-Myers CompanyInventor: Cynthia A. Yabut
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Patent number: 4133893Abstract: A topical preparation for the treatment of skin diseases such as acne vulgaris, acne rosacea, psoriasis and herpes simplex which comprises 1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane and a pharmaceutically acceptable carrier or diluent.Type: GrantFiled: May 26, 1977Date of Patent: January 9, 1979Assignee: Calbiochem Behring Corp.Inventor: Arthur S. Spangler, deceased
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Patent number: 4105794Abstract: Therapeutic composition useful for mitigating cholelithiasis in humans comprising 3-hydroxy-3-methylglutaric acid, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable non-toxic carrier.Type: GrantFiled: August 4, 1977Date of Patent: August 8, 1978Assignee: Calbiochem-Behring Corp.Inventors: William Drell, John K. Pollard, Jr.
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Patent number: 4055652Abstract: Novel 1-[.beta.-(R-thio)phenethyl]-imidazoles and the corresponding 1-[.beta.-(R-sulfinyl)phenethyl]imidazoles and 1-[.beta.-(R-sulfonyl)phenethyl]imidazoles wherein R is alkyl, alkenyl, aralkenyl, substituted aralkenyl, alkynyl, cycloalkyl, cycloalkyl alkyl, aralkyl, substituted aralkyl, aryl or substituted aryl; and the antimicrobial acid addition salts thereof, are useful as antifungal, anti-bacterial and anti-protozoal agents.Type: GrantFiled: March 8, 1976Date of Patent: October 25, 1977Assignee: Syntex (U.S.A.) Inc.Inventor: Keith A. M. Walker
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Patent number: 4049806Abstract: 3-[3-(1-Methyltetrazol-5-ylthio)-prop-1-(t)-enyl]-7.beta.-(.alpha.-phenylac etamido)-ceph-3-em-4-carboxylic acid; 7.beta.-(.alpha.-phenylacetamido)-3-[3-(1,2,4-triazol-5-ylthio)-prop-1-(t) -enyl]-ceph-3-em-4-carboxylic acid derivatives and salts thereof; and intermediates and processes for preparing such compounds. The compounds are useful as antibacterials and are active against a wide variety of gram positive and gram negative bacteria.Type: GrantFiled: August 15, 1975Date of Patent: September 20, 1977Assignee: Syntex (U.S.A.) Inc.Inventor: Philip J. Beeby
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Patent number: 4011315Abstract: 21-ACETALS AND MIXED ACETALS OF STEROIDS OF THE CORTICOID SERIES ARE PREPARED FROM THE CORRESPONDING 21-HYDROXY STEROIDS AND HAVE UTILITY AS ANTI-INFLAMMATORY AGENTS.Type: GrantFiled: July 7, 1975Date of Patent: March 8, 1977Assignee: Syntex (U.S.A.) Inc.Inventors: Michael Marx, Denis John Kertesz
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Patent number: 3996358Abstract: 21-Esters of 21-aldehyde hydrates and 21-aldehyde hemiacetals of steroids of the corticoid series are prepared from the corresponding 21-hydroxy steroids and have utility as antiinflammatory agents.Type: GrantFiled: July 7, 1975Date of Patent: December 7, 1976Assignee: Syntex (U.S.A.) Inc.Inventors: Michael Marx, Denis John Kertesz
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Patent number: 3983113Abstract: 3-[3-(1-Methyltetrazol-5-ylthio)-prop-1-(t)-enyl]-7.beta.-(.alpha.-substitu ted acetamido)-ceph-3-em-4-carboxylic acid; 7.beta.-(.alpha.-substituted acetamido)-3-[3-(1,2,4-triazol-5-ylthio)-prop-1-(t)-enyl]-ceph-3-em-4-carb oxylic acid derivatives and salts thereof; and ester intermediates and processes for preparing such compounds. The compounds are useful as antibacterials and are active against a wide variety of gram positive and gram negative bacteria.Type: GrantFiled: October 14, 1975Date of Patent: September 28, 1976Assignee: Syntex (U.S.A.) Inc.Inventor: Philip J. Beeby