Patents Represented by Attorney Howard W. Bremer
  • Patent number: 4879283
    Abstract: In accordance with the present invention a method of preserving organs using a perfusate or storage solution containing a specific synthetic hydroxyethyl starch in place of human serum albumin is disclosed. A suitable composition is provided. Disclosed is a cold-storage solution and perfusate that has provided 72 hour preservation for the pancreas, 48 hour storage for the kidney and at least 24 hour preservation for the liver.
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: November 7, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Folkert D. Belzer, James H. Southard
  • Patent number: 4873230
    Abstract: The present invention relates to new compositions for the preservation of organs prior to implantation comprising hydroxyethyl starch substantially free of ethylene glycol, ethylene chlorohydrin and acetone in a pharmaceutically acceptable organ perfusate.
    Type: Grant
    Filed: July 27, 1988
    Date of Patent: October 10, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Folkert O. Belzer, James H. Southard
  • Patent number: 4861724
    Abstract: The invention provides a process for preparing optically-active 2,2'-dihydroxy-1,1'-binaphthyl by subjecting esters of (+) 2,2'-dihydroxy-1,1'-binaphthyl to the enantioselective hydrolytic enzymatic action of microorganisms of the orders Moniliales and Mucorales.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: August 29, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Charles J. Sih
  • Patent number: 4857518
    Abstract: This invention is directed to new 24-homo-vitamin D compounds, to methods for preparing the same and novel intermediate compounds.The compounds are characterized by vitamin D-like activity of the order of 1.alpha.,25-dihydroxyvitamin D.sub.3, the recognized circulating hormonal form of vitamin D, or various of its derivatives and by greater antineoplastic activity than such compounds but without their attendant calcemic activity. The compounds are useful in the treatment of disease states characterized by calcium-phosphorous imbalances and where antineoplastic activity is indicated.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: August 15, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Nobuo Ikekawa, Yoko Tanaka
  • Patent number: 4851400
    Abstract: This invention is directed to new 26-homo-vitamin D compounds, to methods for preparing the same and novel intermediate compounds.The compounds are characterized by vitamin D-like activity of the order of 1.alpha.,25-dihydroxyvitamin D.sub.3, the recognized circulating hormonal form of vitamin D, or various of its derivatives and by greater antineoplastic activity than such compounds but without their attendant calcemic activity. The compounds are useful in the treatment of disease states characterized by calcium-phosphorous imbalances and where antineoplastic activity is indicated.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: July 25, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Nobuo Ikekawa, Yoko Tanaka
  • Patent number: 4841038
    Abstract: The invention relates to a new method for preparing all trans- and 13-cis retinoyl CoA.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: June 20, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Andrzej Kutner, Heinrich K. Schnoes
  • Patent number: 4800198
    Abstract: The invention provides a method for inducing the differentiation of malignant cells utilizing certain seco-sterol compounds, such as the differentiation of leukemia cells to normal macrophages and thereby affords a method for treating leukemic disorders.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: January 24, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Wan F. Lau
  • Patent number: 4798824
    Abstract: The present invention relates to new compositions for the preservation of organs prior to implantation comprising hydroxyethyl starch substantially free of ethylene glycol, ethylene chlorohydrin and acetone in a pharmaceutically acceptable organ perfusate.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: January 17, 1989
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Folkert O. Belzer, James H. Southard
  • Patent number: 4769181
    Abstract: The invention is directed to the preparation of hydroxylated compounds of the vitamin D.sub.2 series and specifically to a process for synthesizing 1.alpha.,25-dihydroxyvitamin D.sub.2, 1.beta.,25-dihydroxyvitamin D.sub.2, their corresponding 5,6-trans isomers and the C-24 epimers of these compounds.The hydroxylated vitamin D.sub.2 compounds obtained exhibit vitamin D-like activity and can be substituted for vitamin D.sub.3 or various of its known metabolites where such compounds are applied.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: September 6, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Rafal R. Sicinski, Yoko Tanaka
  • Patent number: 4757140
    Abstract: The invention relates to new coenzyme A and N-hydroxysuccinimidyl esters of all-trans- and 13-cis-retinoic acid and to methods for preparing the same. A new method for preparing all-trans-retinoic acid anhydride is also disclosed.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 12, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Andrzej Kutner, Heinrich K. Schnoes
  • Patent number: 4755329
    Abstract: The invention relates to ring A-diol units suitable for synthesizing 1.alpha.-hydroxyvitamin D compounds by subsequent condensation with appropriate .sup.C /.sub.D -ring fragments and to methods for preparing such ring A-diol units.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: July 5, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Seok H. Lee
  • Patent number: 4755463
    Abstract: The invention provides a method for enhancing the degradation of the side chain of sterols possessing branched chains at C-24 utilizing microbiological means by including an exogenous source of bicarbonate ion (HCO.sub.3 --) in the medium in which the degradation is being carried out.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: July 5, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Charles J. Sih
  • Patent number: 4751182
    Abstract: This invention relates to a process for resolving DL-carnitine by contacting a racemic mixture of DL-carnitine with a microorganism which preferentially metabolizes D-carnitine and permits accumulation of L-carnitine in the reaction medium and to novel strains of such microorganisms and mutants of such strain.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: June 14, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventor: Charles I. Sih
  • Patent number: 4719204
    Abstract: The invention provides, as novel vitamin D derivatives, analogs of vitamin D.sub.2 compounds which lack the 24-methyl substituent and are identified as 1.alpha.-hydroxy-28-norvitamin D.sub.2 and 1.alpha.,25-dihydroxy-28-norvitamin D.sub.2.The compounds of the invention are characterized by unexpectedly high vitamin D-like activity as well as a novel activity pattern. Because of such activity they would find ready application as substitutes for vitamin D or various of the known vitamin D metabolites in their various application for the treatment of calcium disorders.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: January 12, 1988
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Rafal R. Sicinski, Yoko Tanaka
  • Patent number: 4719205
    Abstract: Novel 1-hydroxylated vitamin D compounds containing a 22, 23-cis double bond in the side chain are provided. The compounds are characterized by an unexpectedly high binding affinity for the protein receptor forecasting their ready applicability as substitutes for vitamin D or various of its metabolites in their various known applications and in the treatment of various metabolic bone diseases.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: January 12, 1988
    Assignee: Wisconsin Alumini Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Rafal R. Sicinski, Yoko Tanaka
  • Patent number: 4717721
    Abstract: This invention relates to a method for enhancing cell differentiation in malignant cells by exposing the cells to a 1.alpha.-hydroxylated vitamin D derivative characterized by a 17-side chain greater in length than the cholesterol or ergosterol side chains.The method finds application in the treatment of neoplastic diseases including leukemoid diseases and, specifically, leukemia.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: January 5, 1988
    Assignee: Howard W. Bremer
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Nobuo Ikekawa, Voula Ostrem
  • Patent number: 4689180
    Abstract: The invention provides a novel vitamin D derivative, 1.alpha.,25-dihydroxy-22Z-dehydrovitamin D.sub.2.The compound is characterized by unexpectedly high ability to raise serum calcium levels. The compound could therefore, find ready application as a substitute for vitamin D or its metabolites in the treatment of metabolic bone diseases or in other of their known applications.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: August 25, 1987
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Rafal R. Sicinski, Yoko Tanaka
  • Patent number: 4630094
    Abstract: Patterned structures of submicron dimension formed of supported or unsupported amorphous metals having submicron feature sizes characterized by etching behavior sufficient to allow delineation of sharp edges and smooth flat flanks, resistance to time-dependent dimensional changes caused by creep, flow, in-diffusion of unwanted impurities, out-diffusion of constituent atoms, void formation, grain growth or phase separation and resistance to phase transformations or compound formation.
    Type: Grant
    Filed: March 8, 1985
    Date of Patent: December 16, 1986
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: John D. Wiley, John H. Perepezko
  • Patent number: 4619920
    Abstract: The invention provides a new derivative of vitamin D.sub.3, 26,26,26,27,27-pentafluoro-1.alpha.-hydroxy-27-methoxy-cholecalciferol and a process for preparing the same.The compound is characterized by some vitamin D-like activity except that it exhibits negligible activity in mobilizing bone. This characteristic indicates that the compound would find ready application in the treatment of disease or physiological states which evince loss of bone mass and application in other situations where metabolic calcium imbalances are found.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: October 28, 1986
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Nobuo Ikekawa, Yoshiro Kobayashi, Yoko Tanaka
  • Patent number: 4594192
    Abstract: The invention provides new derivatives of vitamin D.sub.3, 2.alpha.-fluorovitamin D.sub.3 and the acylates thereof.The compounds are characterized by vitamin D-like activity in their ability to increase intestinal calcium transport and serum calcium indicating their ready application as substitutes for vitamin D.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: June 10, 1986
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Yoko Tanaka, Nobuo Ikekawa, Yoshiro Kobayashi