Patents by Inventor Bansi Lal

Bansi Lal 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: 5900436
    Abstract: Substituted Indanylidineacetylguanidines, process for their preparation, their use as medicaments or diagnostic and medicaments containing them:Indanylidineacetylguanidines I ##STR1## and their pharmaceutically acceptable salts wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and X have the meanings given in the claims, are effective inhibitors of the cellular sodium/proton antiport (Na.sup.+ /H.sup.+ exchanger), which, in numerous diseases (essential hypertension, atherosclerosis, diabetes and the like) is also increased in those cells which are readily accessible for measurements, such as, for example, in erythrocytes, platelets or leukocytes. They are also advantageous for the preparation of a medicament for the treatment or prophylaxis of disorders of lipid metabolism.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: May 4, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Nirogi Venkata Satya Ramakrishna, Arun Kumar Jain, Bansi Lal, Rao Venkata Satya Veerabhadra Vadlamudi, Anil Vasantrao Ghate, Ravindra Dattatraya Gupte, Andreas Weichert, Jan-Robert Schwark
  • Patent number: 5821252
    Abstract: Compounds of the formula III ##STR1## in which R.sub.4 and R.sub.5 are CH.sub.3 amd R.sub.6 is hydrogen, have prolonged spasmolytic and anaesthetic activity.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 13, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Swati Bal-Tembe, Jurgen Blumbach, Alihussein Nomanbhai Dohadwalla, deceased, Bansi Lal, Narayan Sudhindra Punekar, Ramanujam Rajgopalan, Richard Helmut Rupp, Martin Bickel
  • Patent number: 5776977
    Abstract: Compounds of formula I, ##STR1## wherein the substituents R.sub.1 -R.sub.4 and a have the given meanings and show an activity against inflammatory conditions.
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: July 7, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ramachandra Ganapati Naik, Vilas Narayan Mumbaikar, Rangarajan Vasumathy, Aftab Dawoodbhai Lakdawala, Mandakini Vithalrao Shirole, Bansi Lal, Jurgen Blumbach, Klaus Ulrich Weithmann, Robert Ryder Bartlett
  • Patent number: 5733934
    Abstract: Indenoylguanidines of formula I and formula II, the process for their preparation, their use as medicaments, medicaments containing them, their use as diagnostic agents and medicaments containing them are described. Compounds I are useful for treating cardiac arrhythmias. Further they are useful as cardioprotective agents in mammals, which comprises administering the compound of formula-I or II with the above properties in combination with pharmaceutically accepted carrier to said mammal.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: March 31, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Nigrogi Venkata Satya Ramakrishna, Tulsidas Sitaram More, Anagha Suhas Kulkarni, Bansi Lal, Rao Venkata Satya Veerabhadra Vadlamudi, Anil Vasantrao Ghate, Ravindra Dattatraya Gupte, Wolfgang Scholz, Hans Jochen Lang
  • Patent number: 5731422
    Abstract: Complexes of formulae I and II ##STR1## wherein the variables are as defined in the specification are useful as dyes for, for example, the mass dyeing of plastics and for lacquers.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 24, 1998
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Dominique Pflieger
  • Patent number: 5698683
    Abstract: A process for preparing a mixed aluminium-heavy metal dyestuff complex, in which the amount of heavy metal present is 10-98% and that of aluminium is 2 to 90% comprisingi) reacting the metal free dyestuff with less than a stoichiometric amount of a heavy metal compound followed byii) reacting the product with an aluminium compound in an amount to produce a stoichiometric excess of metal (calculated on all the metal present) to form a mixed aluminium-heavy metal complex.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: December 16, 1997
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Dominique Pflieger
  • Patent number: 5650515
    Abstract: Salts of the formulaF.sub.n.Awherein F is an anion of a metal-free anionic dye having m acid groupswhereinm is 1 to 4, inclusive,A is a cation of an amine containing 1 to 6 sterically hindered amine groups, andn is 1 or 2,with the proviso that the salt contains 1 to n.times.m groups selected from ammonium and immonium groups, useful as pigments, particularly for the coloring of solvent-free and solvent-containing plastic materials, lacquers and printing inks.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 22, 1997
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Angelos-Elie Vougioukas
  • Patent number: 5589514
    Abstract: Compounds of formula I, ##STR1## wherein the substituents R.sub.1 -R.sub.4 and a have the given meanings and show an activity against inflammatory conditions.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: December 31, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ramachandra G. Naik, Vilas N. Mumbaikar, Rangarajan Vasumathy, Aftab D. Lakdawala, Mandakini V. Shirole, Bansi Lal, Jurgen Blumbach, Klaus U. Weithmann, Robert R. Bartlett
  • 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: 5292751
    Abstract: The present invention relates to 5,7-Dihydroxy-2-methyl-8-[4-(3-hydroxy-1-(1-propyl))piperidinyl]-4H-1-benz opyran-4-one its preparation and its use.5,7-Dihydroxy-2-methyl-8-[4-(3-hydroxy-1-(1-propyl))piperidinyl]-4H-1-benzo pyran-4-one is useful for the treatment of arthritis and/or rheumatism and for the treatment of chronic inflammatory diseases.
    Type: Grant
    Filed: April 8, 1992
    Date of Patent: March 8, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ramachandra G. Naik, Shrikant V. Rao, Aftab D. Lakdawala, Mandakini V. Shirole, Bansi Lal, Noel J. de Souza, Jurgen Blumbach
  • Patent number: 5284856
    Abstract: Compounds of the formula I ##STR1## in which the substituents R.sub.1 -R.sub.5 and n and m are as defined are suitable for controlling tumors.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: February 8, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ramchandra G. Naik, Bansi Lal, Richard H. Rupp, Hans H. Sedlacek, Gerhard Dickneite
  • Patent number: 5252598
    Abstract: The present invention relates to labdane-derivatives of the formula ##STR1## a process for their preparation and the use of these substances as medicaments, preferably as medicaments having a positive ionotropic effect, an effect of lowering intraocular pressure and lowing blood pressure.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: October 12, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Greta Moraes, Bansi Lal, Vijay A. Aroskar, Alihussein N. Dohadwalla, Richard H. Rupp
  • Patent number: 5250682
    Abstract: Process for the manufacture of 6.beta.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: October 5, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Bansi Lal, Jurgen Blumbach
  • Patent number: 5246930
    Abstract: Compounds of formula I ##STR1## in which the substituted R has the given meaning, have an antimalarial and a antiviral activity.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: September 21, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bindumadhavan Venugopalan, Chintamani P. Bapat, Pravin J. Karnik, Bansi Lal, Dipak K. Chatterjee, Subramani N. Iyer, Jurgen Blumbach
  • Patent number: 5225427
    Abstract: 10-substituted ether derivatives of 3.alpha., 12.alpha.-Epoxy-3,4,5 5a.alpha., 6,7,8,8a.alpha.,9,10,12.beta., 12a-dodecahydro-10-hydroxy-3.beta.,6.alpha.,9.beta.-trimethylpyano-(4,3-j) (1,2) benzodioxepin, also known as Dihydroartemisinin or Dihydroquinghaosu (DHQ), pharmaceutically acceptable salts thereof, processes for their preparation and their use as chemotherapeutics against protozoal infections are provided.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: July 6, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bindumadhavan Venugopalan, Chintamani P. Bapat, Pravin J. Karnik, Bansi Lal, Dipak K. Chatterjee, Subramani N. Iver, Richard H. Rupp
  • Patent number: 5219865
    Abstract: The present invention relates to combinations of the malaria therapeutics artemisinine, dihydroartemisinine, arteether, artemether, artesunate or other artemisinine derivatives with one or more of the antimalarials chloroquine, 10-0-methylfloxacrine, quinine, mefloquine, amodiaquine, pyrimethamine, sulfadoxine and primaquine. Synergistic actions are achieved with them on treatment of mammals, including humans, with subcurative doses of the individual substances.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: June 15, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dipak C. Chatterjee, Bindumadhavan Venugopalan, Bansi Lal, Noel J. de Souza, Richard H. Rupp
  • Patent number: 5206241
    Abstract: Labdanes of the formula ##STR1## a process for their manufacture, pharmaceutical preparations containing an effective amount of these compounds and their use for the manufacture of a pharmaceutical preparation for treatment of cardiovascular diseases and high intraocular pressure.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: April 27, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Rajeshwari Kannan, Bansi Lal, Ramanujam Rajagopalan, Vijay A. Aroskar, deceased AliHussein N. Dohadwalla, Rashida A. Dohadwalla, Anis S. Dohadwalla, Samina A. Dohadwalla, Richard H. Rupp
  • Patent number: 5141936
    Abstract: Pyrimido-(6,1-a)-isoquinolin-4-one derivatives of the formula ##STR1## in which the substituents R.sup.1 -R.sup.6 have the meanings mentioned, are suitable for the prevention of hair loss and for strengthening hair growth.
    Type: Grant
    Filed: May 17, 1989
    Date of Patent: August 25, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Richard H. Rupp, Bansi Lal
  • Patent number: 5141942
    Abstract: Pharmaceutical compositions comprising labdane diterpenoid derivatives and pyrimido(6,1-a)-isoquinolin-4-one derivatives when administered to the skin of a mammal or of the man increase the rate of terminal hair growth, stimulate the conversion of vellus hair to growth as terminal hair and arrest hair loss. They can be used for the treatment of several kinds of alopecia.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: August 25, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Jurgen Blumbach, Alihussein N. Dohadwalla, Noel J. de Souza
  • Patent number: 5093331
    Abstract: The present invention relates to polyoxygenated labdane-derivatives of the formula ##STR1## a process for their preparation and the use of these substances as medicaments, preferably as medicaments having a positive inotropic effect, an effect of lowering intraocular pressure and lowering blood pressure.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: March 3, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Ashok K. Gangopadbya, Alihussein N. Dohadwalla, Ramanujam Rajgopalan, Richard H. Rupp