Patents by Inventor Jochen Lang

Jochen Lang 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: 5516805
    Abstract: 3,5-Substituted aminobenzoylguanidines, process for their preparation, their use as a medicament or diagnostic and medicament containing themThere are described benzoylguanidines of the formula I ##STR1## where one of the substituents R(1), R(2), R(3) or R(4) is: an amino group ##STR2## where R(5), R(6)=inter alia, H or alkyl, or alternatively R(5) and R(6), together with the nitrogen atom, are a 5-7-membered ring, and the other substituents R(1), R(2), R(3) and R(4) in each case are: H, Hal, CN, CF.sub.3, NO.sub.2, CF.sub.3 --O--, C.sub.m F.sub.2m+1 --CH.sub.2 --O--, R(11)--C.sub.q H.sub.2q --X.sub.p --, X=O or NR(12), R(11)=H, (cyclo)alkyl, phenyl, and where R(1) and R(4) are not simultaneously hydrogen.The compounds I have very good antiarrhythmic and cardio-protective properties, but no undesired salidiuretic properties.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: May 14, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Heinrich Englert, Andreas Weichert, Heinz-Werner Kleemann, Wolfgang Scholz, Udo Albus
  • Patent number: 5498617
    Abstract: Guanidinealkyl-1,1-bisphosphonic acid derivatives, process for their preparation and their useCompounds of the tautomeric formula Ia, Ib or Ic, ##STR1## where R is a radical of the formula ##STR2## are effective compounds for the treatment and prophylaxis of degenerative bone disorders. They are used as pharmaceuticals.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: March 12, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christoph Naumann, Hans-Jochen Lang, Jurgen Sandow, Anne-Marie Moura
  • Patent number: 5416094
    Abstract: Described are guanidinocarbonyl isoquinolines of the formula I, ##STR1## wherein R(1) is hydrogen, (amino) (cyclo) (aryl)alk(en)yl (heteroaryl); R(2) is hydrogen, halogen, alkyl, or aryl; G is a radical of the formula VII: ##STR2## X(2), X(3) and X(4) are hydrogen, halogen, nitro, amino, alkyl, sulfonamide, (mono) (di) (lower alkyl) (amino), benzyloxy, hydroxy; X(1) hydrogen, oxygen, sulfur and NR(7)R(8), and their pharmaceutically acceptable salts; described is also a process for their preparation, their use as medicaments, and medicaments containing them for treating congestive heart failure, and arrhythmic conditions as well as cardioprotective agents in mammals.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: May 16, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Ramesh Gidwani, Ramanujam Rajagopalan, Radha Panicker, Chinnakulandai Sankar, Hans-Jochen Lang, Heinrich Englert, Wolfgang Scholz
  • Patent number: 5395826
    Abstract: Compounds of the tautomeric formula Ia, Ib or Ic, ##STR1## where R is a radical of the formula ##STR2## are effective compounds for the treatment and prophylaxis of degenerative bone disorders. They are used as pharmaceuticals.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: March 7, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christoph Naumann, Hans-Jochen Lang, Jurgen Sandow, Anne-Marie Moura
  • Patent number: 5373024
    Abstract: Benzoylguanidines of the formula I ##STR1## are described where R(1) is R(4)--SO.sub.m or R(5)R(6)N--SO.sub.z --, where R(4) and R(5) are alk(en)yl or --C.sub.n H.sub.2n --R(7), and where R(7) is a cycloalkyl or phenyl, where R(5) also has the meaning of H, and R(6) is H or C.sub.1 -C.sub.4 -alkyl, R(2) is hydrogen, halogen, alkyl, O--(CH.sub.2).sub.m C.sub.p F.sub.2p+1, --X--R(10), where X is O, S or NR(11), R(10) is H, (cyclo)alkyl(methyl) or --C.sub.n H.sub.2n --R(12) where R(12) is phenyl, and R(3) is defined, inter alia, as R(1), and their pharmaceutically tolerable salts.The compounds I are obtained by reaction of compounds of the formula II ##STR2## with guanidine, in which L is a leaving group which can be easily nucleophilically substituted.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: December 13, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Florian Lang, Hans-Jochen Lang, Dieter Mania, Andreas Weichert, Wolfgang Scholz, Udo Albus, Heinrich Englert
  • Patent number: 5364868
    Abstract: Amino-substituted benzoylguanidines, process for their preparation, their use as a medicament and medicament containing themBenzoylguanidines of the formula I ##STR1## are described in which R(1) or R(2) is an amino group --NR(3)R(4), where R(3) and R(4) are H or (cyclo)alkyl or R(3) is phenyl-(CH.sub.2).sub.p -- where p=0, 1, 2, 3 or 4, or phenyl, or R(3) and R(4) can also together be a methylene chain, and in which the other substituent R(1) or R(2) in each case is H, F, Cl, alkyl, alkoxy, CF.sub.3, C.sub.m F.sub.2m+1 --CH.sub.2 --, benzyl or phenoxy, and their pharmaceutically tolerable salts.The compounds according to the invention have very good antiarrhythmic properties, as occur, for example, in the case of oxygen deficiency symptoms.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: November 15, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich Englert, Dieter Mania, Hans-Jochen Lang, Wolfgang Scholz, Wolfgang Linz, Udo Albus
  • Patent number: 5317029
    Abstract: Pharmaceutical compositions for the inhibition of bone resorption comprising a pharmaceutical carrier and a therapeutically effective amount of a benzopyran derivative represented by the general formula (I) ##STR1## wherein the broken-lined bond denotes an optional double bond, R.sub.1 denotes a hydrogen atom or a hydroxyl group, R.sub.2 denotes a cyano group, a phenylsulfonyl group or a halogen-substituted methoxyl group, and R.sub.3 denotes a group having the formula ##STR2## Since they inhibit bone resorption, they are useful for the treatment and prevention of diseases associated with bone metabolism.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: May 31, 1994
    Assignee: Hoechst Japan Limited
    Inventors: Mizuho Inazu, Ryoichi Satoh, Tsutomu Inoue, Hiroshi Kitagawa, Masakazu Katoh, Heinrich Englert, Denis Carniato, Hans-Jochen Lang
  • Patent number: 5294608
    Abstract: The invention describes tautomeric compounds of the formula Ia, Ib or Ic ##STR1## and/or their physiologically tolerable salts, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are a hydrogen atom, substituted (C.sub.1 -C.sub.7)-alkyl, (C.sub.3 -C.sub.10)-cycloalkyl, substituted phenyl or (C.sub.1 -C.sub.4)-alkylphenyl, R.sup.2 is substituted phosphoric acid, R.sup.2 and R.sup.3, R.sup.2 and R.sup.5 or R.sup.4 and R.sup.5 form a monocyclic 5- to 7-membered saturated or unsaturated heterocyclic ring which is mono- or polysubstituted, R.sup.8, R.sup.9, R.sup.10 and R.sup.11 are a hydrogen atom or (C.sub.1 -C.sub.5)-alkyl, X is a hydrogen atom, hydroxyl or halogen, l and n are an integer from 0 to 7, m is an integer from 0 to 2, and the sum of the numbers l, m and n is less than or equal to 10, a process for the preparation of the compounds of the formula Ia, Ib or Ic, pharmaceuticals and their use for the prophylaxis or treatment of osteoporosis.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: March 15, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Christoph Naumann, Denis Carniato, Anne-Marie Moura, Ryoichi Satoh, Masakazu Katoh
  • Patent number: 5292755
    Abstract: Benzoylguanidines of the formula I ##STR1## where R(1) or R(2) is equal to R(6)--S(O).sub.n -- or R(7)R(8)N--O.sub.2 S--and the other substituent R(1) or R(2) is in each case equal to H, F, Cl, Br, I, alkyl, alkoxy or phenoxy, R(6)--S(O).sub.n or R(7)R(8)N--and R(6) is equal to alkyl, cycloalkyl, cyclopentylmethyl, cyclohexylmethyl or phenyl,R(7) and R(8) are equal to alkyl or phenylalkyl or phenyl,and in which R(7) and R(8) may also together be a C.sub.4 --C.sub.7 chain, and in which R(7) and R(8), together with the nitrogen atom to which they are bonded, may be a dihydroindole, tetrahydroquinoline or tetrahydroisoquinoline system,and where R(3), R(4) and R(5) are equal to hydrogen or alkyl, or R(3) and R(4) are together an alkylene chain or R(4) and R(4) are together an alkylene chain,and where n is equal to zero, 1 or 2and their pharmaceutically tolerable salts are outstanding antiarrhythmics.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: March 8, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Hans-Jochen Lang, Wolfgang Linz, Bernward Scholkens, Wolfgang Scholz
  • Patent number: 5215990
    Abstract: Pyrimidine derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, X and Y have the stated meaning, the salts thereof and a process for the preparation thereof are described. Because of their sorbitol-accumulating activity, they are suitable for use as reagents for an advantageous pharmacological screening model for testing aldose reductase inhibitors.
    Type: Grant
    Filed: August 8, 1991
    Date of Patent: June 1, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Geisen, Roland Utz, Hildegard Nimmesgern, Hans-Jochen Lang
  • Patent number: 5145867
    Abstract: Naphthylalkylamino-substituted sulfamoylbenzoic acid derivatives, processes for the preparation thereof and the use thereof as medicines.Compounds I ##STR1## R(1) hydrogen, (C.sub.1 -C.sub.4)-alkyl and Na, K, NH.sub.4, Ca, Mg, R(2) and R(3) hydrogen, alkyl groups which can also be linked together in a ring,X oxygen, sulfur, SO, SO.sub.2, NR(6) [with R(6)=hydrogen-alkyl], CH.sub.2, CO, or a bond,R(4) phenyl, thienyl, which are unsubstituted or substitutedR(5) hydrogen, (C.sub.1 -C.sub.4)-alkyl,n 1, 2, 3 or 4,where the naphthyl system is unsubstituted or substituted like the phenyl radical of R(4),and where X and R(4) together can also be Cl are medicaments for treating sickle-cell anemia.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: September 8, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: John C. Ellory, Heinrich C. Englert, Hans-Jochen Lang, Dieter Mania, Wulf Merkel
  • Patent number: 5143937
    Abstract: Compounds of the formula I ##STR1## where R.sup.1 to R.sup.5 have the meaning indicated, a process for their preparation and their use as medicaments are described. They are effective lipid-lowering agents with antioxidative properties from the benzenesulfonamide series. They do not have hypotensive and diuretic properties.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: September 1, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Ernold Granzer, Bela Kerekjarto
  • Patent number: 5138058
    Abstract: Pyrimidine derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the indicated meanings, the salts thereof, and a process for the preparation thereof are described. Because of their sorbitol-accumulating activity, they are suitable as a tool in a pharmacological screening model for aldose reductase inhibitors.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: August 11, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Geisen, Hans-Jochen Lang, Hildegard Nimmesgern, Klaus Weidmann
  • Patent number: 5114955
    Abstract: Substituted thienoimidzaole derivatives, processes for their preparation, pharmaceutical preparations containing them and their use as inhibitors of gastric acid secretion.The invention relates to substituted thienoimidazole derivatives of the formula ##STR1## in which A stands for ##STR2## T denotes --S--, --SO-- or --SO.sub.2 --, R.sup.7 denotes a substituted aryloxy or aralkoxy radical and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.8 have the meanings indicated in the description, processes for their preparation, pharmaceutical preparations containing them and their use as medicaments.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: May 19, 1992
    Assignee: Hoechst Aketiengesellschaft
    Inventors: Hans-Jochen Lang, Klaus Weidmann, Karl-Heinz Scheunemann, Hildegard Nimmesgern, Robert Rippel, Andreas W. Herling
  • Patent number: 5091394
    Abstract: Benzoylguanidines of the formula I ##STR1## where R(1) or R(2) is equal to R(6)--S(O).sub.n -- or R(7)R(8)N--O.sub.2 S--and the other substituent R(1) or R(2) is in each case equal to H, F, Cl, Br, I, alkyl, alkoxy or phenoxy, R(6)--S(O).sub.n or R(7)R(8)N--and R(6) is equal to alkyl, cycloalkyl, cyclopentylmethyl, cyclohexylmethyl or phenyl,R(7) and R(8) are equal to alkyl or phenylakyl or phenyl,and in which R(7) and R(8) may also together be a C.sub.4 -C.sub.7 chain, and in which R(7) and R(8), together with the nitrogen atom to which they are bonded, may be dihydroindole, tetrahydroquinoline or tetrahydroisoquinoline system,and where R(3), R(4) and R(5) are equal to hydrogen or alkyl, or R(3) and R(4) are together an alkylene chain or R(4) and R(5) are together an alkylene chain,and where n is equal to zero, 1 or 2 and their pharmaceutically tolerable salts are outstanding antiarrhythmics.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: February 25, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Hans-Jochen Lang, Wolfgang Linz, Bernward Scholkens, Wolfgang Scholz
  • Patent number: 4999371
    Abstract: 3,4-Dihydro-2H-benzo[b]pyrans of the formula I ##STR1## are described, in which R.sup.1 is H, OH, (C.sub.1 -C.sub.2)-alkoxy, (C.sub.1 -C.sub.2)-alkyl or NR.sup.4 R.sup.5,R.sup.4 and R.sup.5 being identical or different and representing H, (C.sub.1 -C.sub.2)-alkyl or (C.sub.1 -C.sub.3)-alkylcarbonyl,R.sup.2 and R.sup.3 are identical or different and are alkyl having 1-4 carbon atoms,Ar is an aromatic or heteroaromatic system which is unsubstituted or substituted,n is 1 or 2 andX is a (CH.sub.2).sub.r chain which can be interrupted by a heteroatom O, S or NR.sup.6, R.sup.6 being H or (C.sub.1 -C.sub.4)-alkyl andr being one of the numbers 2, 3, 4 or 5.Processes for the preparation of these compounds, their use and pharmaceutical products based on these compounds are also described.
    Type: Grant
    Filed: February 2, 1988
    Date of Patent: March 12, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Hans-Jochen Lang, Dieter Mania, Bernward Scholkens
  • Patent number: 4994493
    Abstract: Compounds I ##STR1## with R equal to hydrogen or (C.sub.1 -C.sub.4)-alkyl,X equal to (CH.sub.2).sub.n with n=1-4, unsubstituted or substituted, andAr is equal to an aromatic or heteroaromatic system, optionally substituted,and their pharmaceutically tolerated salts are valuable pharmaceuticals for the treatment of cerebral edema or diarrhea.
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: February 19, 1991
    Assignees: Max-Planck-Gesellschaft zur Forderung der Wissenschaften, Hoechst Aktiengesellschaft
    Inventors: Rainer Greger, Heinrich C. Englert, Hans-Jochen Lang, Max Hropot
  • Patent number: 4956366
    Abstract: Substituted thienoimidazole derivatives, a process for the preparation thereof, pharmaceutical compositions containing them, and the use thereof as inhibitors of gastric acid secretion, as gastroprotectives and as medicaments for intestinal inflammationsThe invention relates to compounds of the formula ##STR1## in which A represents ##STR2## T denotes --S--, --SO-- or --SO.sub.2 --, R.sup.1 to R.sup.10, X, Y and Z have the meanings indicated in the description, to a process for the preparation thereof, to pharmaceutical compositions containing them, and to the use thereof as inhibitors of gastric acid secretion, as gastroprotectives and as medicaments for intestinal inflammations.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: September 11, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hildegard Nimmesgern, Klaus Weidmann, Hans-Jochen Lang, Robert Rippel, Andreas W. Herling
  • Patent number: 4943576
    Abstract: Substituted quinoxalyl-imidazolidine-2,4-diones, processes for their preparation, their use as medicaments and pharmaceutical preparations 5-Quinoxalyl-imidazolidine-2,4-diones of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings given, and physiologically tolerated salts thereof and processes for their preparation are described. The compounds inhibit aldose reductase and can be used as medicaments.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: July 24, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heiner Glombik, Roland Utz, Hans-Jochen Lang, Karl Geisen, Friedrich E. Beyhl
  • Patent number: 4942176
    Abstract: A description is given of a process for the preparation of a compound of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 (identical or different) represent H, alkyl having 1-2 carbon atoms and F, Cl, Br or I;R.sup.4 represents H, alkyl having 1-4 carbon atoms, n represents the numbers 2-5, andR.sup.5 represents a radical which can be eliminated under physiological conditions or represents hydrogen, and its physiologically tolerated salts.They are effective remedies for diarrhea.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: July 17, 1990
    Assignee: Hoechst Aktiengellschaft
    Inventors: Heinrich C. Englert, Max Hropot, Hans-Jochen Lang, Rainer Greger