Patents by Inventor Delf Schmidt

Delf Schmidt 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: 5145857
    Abstract: HMG-COA reductase-inhibiting compounds of the formula ##STR1## in which X represents a group of the formula --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,R represents a group of the formula ##STR2## R.sup.1 represents optionally substituted aryl, R.sup.2 represents --CH.sub.2 OR.sup.8 or --X--R, andR.sup.5 represents straight-chain or branched alkyl having up to 10 carbon atoms, orand their pharmaceutically acceptable salts.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: September 8, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fey, Rolf Angerbauer, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 5137881
    Abstract: Substituted pyrido-oxazines can be prepared by reduction of the corresponding ketones. They are useful active compounds in medicaments, in particular for the treatment of hyperlipoproteinaemia, lipoproteinaemia and arteriosclerosis.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: August 11, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Joachim Bender, Delf Schmidt
  • Patent number: 5138090
    Abstract: Substituted biphenyls can be prepared by reduction of appropriate ketones and, if appropriate, subsequent hydrolysis, cyclization, hydrogenation and separation of isomers. The substituted biphenyls can be used as active compounds in medicaments.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: August 11, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fey, Rolf Angerbauer, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Peter Petzinna, Delf Schmidt
  • Patent number: 5120782
    Abstract: Substituted pyrrolo-pyridines can be prepared by reduction of the corresponding ketones. They are useful active compounds for medicaments and can be employed, for example, for the treatment of hyperlipoproteinaemia, lipoproteinaemia and arteriosclerosis.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: June 9, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Joachim Bender, Delf Schmidt
  • Patent number: 5075311
    Abstract: New substituted pyrido(2,3-d)pyrimidines of the formula ##STR1## can be prepared by reduction of corresponding pyrido(2,3-d)-pyrimidines which are substituted by a ketone radical, and subsequent hydrolysis, cyclization or hydrogenation. The new compounds can be used to inhibit HMG-CoA reductase.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: December 24, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 5064841
    Abstract: HMG-CoA reductase-inhibiting imino-substituted pyridines of the formula ##STR1## in which R.sup.1 is optionally substituted aryl,R.sup.2 is optionally substituted aryl or alkyl, OH, alkoxy, aralkoxy, or optionally substituted aryloxy,R.sup.3 is cycloalkyl, or optionally substituted aaryl or alkyl,R.sup.4 is alkyl or cycloalkyl,X is --CH.sub.2 --CH.sub.2 -- or .sub.[CH.dbd.CH--,R is ##STR2## R.sup.6 is H or alkyl, and R.sup.7 is H, alkyl, phenylalkyl, aryl or a cation, and their salts.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: November 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Angerbauer, Peter Fey, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 5034399
    Abstract: Inhibitors of 3-hydrooxy-3-methyl-glutarylcoenzyme A reductase which are 1,8-naphthyridines of the formula ##STR1## in which Arepresents a 3- to 7-membered heterocycle which is optionally substituted, or aryl which is optionally substituted,Brepresents cycloalkyl or alkyl which is optionally substituted, aryl which is optionally substituted,D and E are identical or different andrepresents hydrogen, halogen, mercapto, hydroxyl, alkoxy, alkyl which is optionally substituted, or a group of the formula --NR.sup.1 R.sup.2, aryl, aryloxy or arylthio having 6 to 10 carbon atoms, which is optionally substituted,Yrepresents a group of the formula ##STR2## in which Jdenotes hydrogen, hydroxyl, mercapto or halogen, or alkyl, alkoxy or alkylthio which are optionally substituted, aryloxy, benzyloxy or arylthio or a group of the formula --NR.sup.1 R.sup.2,Zdenotes oxygen or sulphur,Gdenotes hydrogen, alkyl or alkenyl which is optionally substituted,Xrepresents a group of the formula --CH.sub.2 --CH.sub.2 -- or --CH.dbd.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: July 23, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 5032590
    Abstract: Substituted hydroxylamines of the formula ##STR1## in which R.sup.1 stands for an aromatic or heterocyclic radical,are especially useful in the treatment of hyperlipoproteinaemia, lipoproteinaemia and atherosclerosis.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: July 16, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 5032602
    Abstract: For inhibiting HMG-CoA reductase and cholesterol synthesis, the novel 2-pyridones and pyrid-2-thiones of the formula ##STR1## in which A is optionally substituted aryl or heterocyclic,B is optionally substituted alkyl, cycloalkyl or aryl,D and E independently are optionally substituted aryl or heterocyclic, H, nitro, cyano, optionally substituted alkyl, alkenyl or imino, amino, alkoxy or acyl, or forms a ring with B,G is O or S,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--, andR represents a group of the formula ##STR2## and salts thereof.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: July 16, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fey, Rolf Angerbauer, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 5006530
    Abstract: Novel compounds for treating hyperproteinaemia, lipoproteinaemia or arteriosclerosis of the formula ##STR1## in which A, B, D and E can have varied meanings,X is --CH.sub.2 --CH.sub.2 or --CH.dbd.CH--, andR is ##STR2## wherein R.sup.21 denotes hydrogen or alkyl andR.sup.22denotes hydrogen,denotes alkyl, aryl or aralkyl, ordenotes a cation,and their oxidation products.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: April 9, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Angerbauer, Peter Fey, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4992462
    Abstract: For inhibiting 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase, the novel substituted pyrroles of the formula ##STR1## in which R.sup.1 is optionally alkyl or cycloalkyl,R.sup.2 and R.sup.3 each is optionally substituted aryl or heteroaryl,R.sup.4 is H or an organic radical,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,A is ##STR2## R.sup.7 is H or alkyl, and R.sup.8 is H or an ester or cation radical.Novel intermediates therefor are also provided.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: February 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4988711
    Abstract: Inhibiting HMG-CoA reductase, as in treating hyperlipopproteinaemia, lipoproteinaemia and arteriosclerosis, with the new N-substituted N-amino-pyrroles of the formula ##STR1## in which R.sup.1 is an organic radical,R.sup.2 is an aryl or heteroaryl radical,R.sup.3 is a hydrogen or an organic radical,R.sup.4 and R.sup.5 each independently is hydrogen or an organic radical or, together, they complete a heterocylic ring,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,A is ##STR2## R.sup.10 is hydrogen or alkyl, and R.sup.11 is hydrogen, an organic radical or a cation.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: January 29, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Angerbauer, Walter Hubsch, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4973598
    Abstract: HMG-CoA reductase-inhibiting compounds of the formula ##STR1## in which R.sup.1 is an optionally substituted alkyl as cycloalkyl radical,R.sup.2 is an optionally substituted aryl or heteroaryl radical,R.sup.3 is hydrogen or an organic radical,B is O or S,X is --CH.sub.2 --CH.sub.2 or --CH.dbd.CH--,A is ##STR2## R.sup.6 is hydrogen or alkyl, and R.sup.7 is hydrogen, alkyl, aralkyl, aryl or a cation.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: November 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fey, Rolf Angerbauer, Walter Hubsch, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4968689
    Abstract: For the treatment of lipoproteinaemia and arteriosclerosis, the new disubstituted pyridines of the formula ##STR1## in which R.sup.1 is optionally substituted aryl or heteroaryl,R.sup.2 is cycloalkyl or optionally substituted alkyl,R.sup.3 is hydrogen, cycloalkyl, or optionally substituted alkyl, aryl or heteroaryl,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,A is ##STR2## R.sup.6 is hydrogen or alkyl, and R.sup.7 is hydrogen, alkyl, aralkyl or a cation.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Angerbauer, Peter Fey, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Thomas Gunter
  • Patent number: 4968681
    Abstract: Substituted hydroxylamines of the formula ##STR1## in which R.sup.1 stands for an aromatic or heterocyclic radical, are especially useful in the treatment of hyperlipoproteinaemia, lipoproteinaemia and atherosclerosis.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 4937255
    Abstract: For inhibiting 3-hydroxy-3-methylglutaryl coenzyme A and cholesterol biosynthesis, the novel disubstituted pyrroles of the formula ##STR1## in which R.sup.1 is aryl or heteroaryl,R.sup.2 is cycloalkyl or optionally substituted alkyl,R.sup.3 is hydrogen or cycloalkyl, or optionally substituted alkyl, aryl or heteroaryl,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,A is ##STR2## R.sup.6 is hydrogen or alkyl, and R.sup.7 is hydrogen, a cation or alkyl, aryl or aralkyl.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4670542
    Abstract: New antibiotics of the formula ##STR1## in which X is O or N--CO--NH.sub.2,R is the radical of an aminoacid other than serine, an oligopeptide other than HyoHyoHyoSer or a derivative thereof on the free amino group, or a radical from the group comprising HyoSer, HyoHyoSer, HyoHyoHyoAla, HyoHyoHyoThr, Hyo, HyoHyo or HyoHyoHyo, andHyo is N.sup.5 -acetyl-N.sup.5 -hydroxy-L-ornithine.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: June 2, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler
  • Patent number: 4626525
    Abstract: New antibiotics of the formula ##STR1## in which X is O or N--CO--NH.sub.2,R is the radical of an aminoacid other than serine, an oligopeptide other than HyoHyoHyoSer or a derivative thereof on the free amino group, or a radical from the group comprising HyoSer, HyoHyoSer, HyoHyoHyoAla, HyoHyoHyoThr, Hyo, HyoHyo or HyoHyoHyo, andHyo is N.sup.5 -acetyl-N.sup.5 -hydroxy-L-ornithine.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: December 2, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler
  • Patent number: 4546079
    Abstract: An antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (B) as described herein. The compound possesses antimicrobial activity. Also fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infection.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: October 8, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Horst Weyland, Gunter Benz, Theo Schroder
  • Patent number: 4474762
    Abstract: The invention relates to antimicrobial compounds of Formula (I) and semi-synthetic methods for their production. Also included in the invention are compositions containing said antimicrobial compounds and methods for the use of said compound and compositions.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: October 2, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler