Patents Represented by Law Firm Hammond & Littell
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Patent number: 4705803Abstract: This invention relates to a method of improving the resorption of injected antibacterially active substances or combinations. More specifically, this invention relates to a method of increasing the resorption of an antibacterially active substance or combination which does not have optimum resorbability and which is administered parenterally into tissue, which comprises administering to a host at least one benzylamine derivative of the formula ##STR1## wherein R.sub.1 is a hydroxyl group in the 2- or 4-position or an amino group in the 2-position;R.sub.2 is a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms; andR.sub.3 is a cyclohexyl group optionally substituted by a hydroxyl group,or a non-toxic, pharmacologically acceptable acid addition salt thereof with an inorganic or organic acid, in conjunction with said antibacterially active substance or combination.Type: GrantFiled: February 3, 1986Date of Patent: November 10, 1987Assignee: Boehringer Ingelheim Vetmedica GmbHInventors: Otto Kern, Franz Wilhelm, Ernst Salamon
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Patent number: 4705191Abstract: A re-usable mixing and spraying device in which the fill opening and the hand pump used to discharge the spray solution are arranged at different heights, and a concentrate and a diluent may be mixed together in the device which is tightly sealed off from the outside, the concentrate being enclosed in a sealing cap which can be ruptured by the device, so that the reservoir enclosing the concentrate is closed when the sealing cap and fill opening are loosely connected and opened toward the diluent when the sealing cap and fill opening are tightly connected.Type: GrantFiled: July 29, 1985Date of Patent: November 10, 1987Assignee: Celamerck GmbH & Co. KGInventors: Hanshelmut Itzel, Volker Barth
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Patent number: 4703003Abstract: A hybridoma which produces monoclonal antibodies having a high affinity and selectivity for digoxin is produced by immunizing mice with digoxin, fusing the spleen cells from the treated mice with mice myeloma cells, separating hybrids from non-fused cells, selecting the hybrids which produce monoclonal antibodies directed against digoxin and isolating the hybrids.Type: GrantFiled: August 13, 1984Date of Patent: October 27, 1987Assignee: Boehringer Ingelheim KGInventor: Carl-Julius Struck
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Patent number: 4699909Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen; alkyl of 1 to 7 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; monosubstituted alkyl of 1 to 3 carbon atoms, where the substituent is pyridyl, methypyridyl, phenyl, mono-, di- or trisubstituted phenyl, where the substituents on the phenyl ring, which may be identical to or different from each other, are selected from the group consisting of one amino, one dimethylamino, one to two hydroxyls, one to three methoxys and one to three halogens; .omega.-monosubstituted alkyl of 2 to 4 carbon atoms, where the substituent is hydroxyl or di(alkyl of 1 to 3 carbon atoms)amino; phenyl; monohalo-phenyl; unsubstituted or monosubstituted straight or branched alkanoyl of 1 to 6 carbon atoms, where the substituent is phenyl, methoxyphenyl or cycloalkyl of 3 to 7 carbon atoms; or unsubstituted or monosubstituted phenylsulfonyl, where the substituent is methyl or methoxy; andR.sub.Type: GrantFiled: July 24, 1986Date of Patent: October 13, 1987Assignee: Dr. Karl Thomae GmbHInventors: Norbert Hauel, Volkhard Austel, Joachim Heider, Manfred Reiffen, Willi Diederen, Walter Haarman
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Patent number: 4699910Abstract: The compound of the formula ##STR1## and non-toxic, pharmacologically acceptable acid addition salts thereof. The compound as well as its salts are useful as analgesics.Type: GrantFiled: November 22, 1985Date of Patent: October 13, 1987Assignee: Boehringer Ingelheim KGInventors: Rolf Banholzer, Herbert Merz, Klaus Stockhaus, Hans M. Jennewein
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Patent number: 4699915Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or methyl;R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, hydroxy(alkyl of 1 to 6 carbon atoms), mono- or di-(alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms), (alkyl of 1 to 6 cabon atoms)thio(alkyl of 1 to 6 carbon atoms), cyano(alkyl of 1 to 6 carbon atoms), alkenyl, alkynyl, or cycloalkyl;R.sub.2 is hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or halogen; andX is pyrazol-3-yl, 1,2,4-triazol-3-yl, pyridin-2-yl, pyridin-3-yl, thiazol-4-yl, 2-methyl-thiazol-4-yl or 2-methylamino-thiazol-4-yl;tautomers thereof, and non-toxic, pharmacologiically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antiulcerogenics and gastric acid secretion inhibitors.Type: GrantFiled: July 2, 1985Date of Patent: October 13, 1987Assignee: Istituto de Angeli S.p.A.Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
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Patent number: 4698096Abstract: This invention relates to a sintering process. More particularly, this invention relates to a process for preparing a sintered form having a tungsten content which comprises the steps of:(a) sintering a porous form of pressed tungsten alloy powders having a high tungsten content in solid phase, and(b) heat treating the sintered part from step (a) in a liquid phase.Type: GrantFiled: October 21, 1985Date of Patent: October 6, 1987Inventors: Rainer Schmidberger, Sylvia Hardtle
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Patent number: 4696931Abstract: There are disclosed novel imidazole derivatives of the formula. ##STR1## and derivatives of the formula ##STR2## the tautomers thereof, and non-toxic, pharmacologically acceptable addition salts thereof with inorganic or organic acids. The compounds described herein are useful in treating cardiac insufficiency.Type: GrantFiled: April 30, 1985Date of Patent: September 29, 1987Assignee: Dr. Karl Thomae GmbHInventors: Norbert Hauel, Volkhard Austel, Joachim Heider, Manfred Reiffen, Willi Diederen
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Patent number: 4696815Abstract: The invention is directed to novel galenic preparation forms for providing an oral anti-diabetic agent having an improved release of active substance and processes for producing these preparation forms. The novel pharmaceutical compositions are characterized in that the onset of the activity and the duration of activity are adapted to the particular needs of diabetics with regard to proper control of the metabolism and the associated proper release of insulin. A basic or acidic excipient in a solvent is added to the anti-diabetic active substance in a quantity such that the active substance is made soluble, and then a solubilizing agent is added. Polyvinyl pyrrolidone is dissolved as carrier in this solution, but the carrier may simultaneously serve as the solubilizing adjuvant. This solution is further processed with other excipients to form corresponding preparation forms.Type: GrantFiled: May 31, 1984Date of Patent: September 29, 1987Inventors: Gottfried Schepky, Rolf Brickl, Eckhard Rupprecht, Andreas Greischel
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Patent number: 4694085Abstract: The invention relates to 5,6-dihydro-pyrrolo[2,1-a]isoquinolines of the formula ##STR1## wherein R, R.sup.2, R.sup.3, and R.sup.7, which may be identical or different, each represent a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms;R.sup.1 represents a cyano, hydroxycarbonyl, or alkoxycarbonyl group having from 1 to 4 carbon atoms or a primary or secondary, substituted or unsubstituted, aliphatic, cycloaliphatic, araliphatic, aromatic, or heterocyclic aminocarbonyl group;R.sup.4 and R.sup.8, which may be identical or different, each represent a hydrogen atom, a hydroxyl group, an alkoxy or alkylthio group having up to 4 carbon atoms, or an NR.sup.9 R.sup.10 group;R.sup.5 and R.sup.6, which may be identical or different, each represent a hydroxy atom or an alkoxy or alkylthio group having from 1 to 4 carbon atoms, or together represent an --O--CH.sub.2 --O--, --O--CH.sub.2 --CH.sub.2 --O--, or --O--CH.dbd.CH--O group;R.sup.Type: GrantFiled: March 24, 1986Date of Patent: September 15, 1987Assignee: Boehringer Ingelheim KGInventors: Walter Losel, Otto Roos, Gerd Schnorrenberger
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Patent number: 4690923Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is a substituted alkoxy group, or an optionally substituted mercapto or amino group,R.sub.2 is a cyclic imino group,R.sub.3 is hydrogen, phenyl, alkyl or acyl, andn is 2 or 3,and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as antithrombotics.Type: GrantFiled: March 15, 1985Date of Patent: September 1, 1987Assignee: Karl Thomae GmbHInventors: Josef Roch, Erich Muller, Berthold Narr, Josef Nickl, Walter Haarmann, Johannes M. Weisenberger
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Patent number: 4686219Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, trifluoromethyl, hydroxyl, nitro, amino, cyano, methylsulfonamido, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 3 carbon atoms, (alkyl of 1 to 3 carbon atoms)thio or (alkanoyl of 2 to 4 carbon atoms)amino;R.sub.3 is hydrogen, fluorine, chlorine, bromine or alkyl of 1 to 3 carbon atoms;R.sub.Type: GrantFiled: February 7, 1986Date of Patent: August 11, 1987Assignee: Boehringer Ingelheim KGInventors: Gerhard Walther, Claus Schneider, Karl-Heinz Weber, Armin Fugner
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Patent number: 4683131Abstract: A novel divisible delayed release pharmaceutical tablet, wherein the rate of release of active ingredient is independent of the size and nature of the total surface area, and the fragments of which have the same characteristics of release of active ingredient as the undivided tablet.Type: GrantFiled: January 31, 1986Date of Patent: July 28, 1987Assignee: Boehringer Ingelheim KGInventors: Bernd Zierenberg, Arun R. Gupte
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Patent number: 4683238Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms or phenyl(alkyl of 1 to 6 carbon atoms);R.sub.2 is hydrogen, alkyl of 1 to 4 carbon atoms or phenyl(alkyl of 1 to 6 carbon atoms);R.sub.3 is hydrogen or alkyl of 1 to 6 carbon atoms;n and m are each independently 0, 1 or 2, the sum of n and m being 1 or 2;X, Y and Z are each independently oxygen, sulfur, --NR.sub.4 --, .dbd.CR.sub.5 --, --CHR.sub.5 --, ##STR2## provided that only one of X, Y and Z is O, S ##STR3## and one or two of X, Y and Z are --NR.sub.4 --; R.sub.4 is hydrogen or alkyl of 1 to 4 carbon atoms; andR.sub.5 is hydrogen or, together with a vicinal radical R.sub.5, a phenyl ring, or when m and n are both 1, the dihydro form with its double bond in conjugation with the C-terminal carboxylic group;or a non-toxic, pharmacologically acceptable salt thereof. The compounds as well as their salts are useful as antihypertensives.Type: GrantFiled: June 27, 1985Date of Patent: July 28, 1987Assignee: Boehringer Ingelheim KGInventors: Gerd Schnorrenberg, Otto Roos, Walter Losel, Ingrid Wiedemann, Wolfram Gaida, Wolfgang Hoefke
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Patent number: 4671900Abstract: This invention is directed to the preparation of .alpha.-sulfofatty acid esters. More particularly, this invention is directed to a process for the simplified preparation of light-colored, wash-active esters of .alpha.-sulfofatty acids with monovalent C.sub.1 to C.sub.8 alcohols or their salts from fats and oils of vegetable and/or animal origin comprising re-esterification with the monovalent alcohols or saponification and esterification with the monovalent alcohols, separation of the fatty acid ester formed, hydrogenation of the fatty acid ester, sulfonation, and bleaching, wherein a fatty acid ester fraction from which accompanying fatty acid glycerides have been removed to the extent of about 1 percent by weight or less, based upon the weight of the material to be sulfonated, is introduced into the sulfonation stage.Type: GrantFiled: July 31, 1981Date of Patent: June 9, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl Schmid, Werner Stein, Horst Baumann
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Patent number: 4670438Abstract: Compounds of the formula ##STR1## wherein A, B, C and D are --N.dbd., HN.dbd., R.sub.3 N.dbd., O.dbd.C.dbd., HC.tbd., HO--C.tbd. or R.sub.3 SO.sub.2 --O--C.tbd.; andR.sub.1 and R.sub.2 are substituents of various types.The compounds are useful as hypotensives and cardiotonics.Type: GrantFiled: June 22, 1984Date of Patent: June 2, 1987Assignee: Dr. Karl Thomae GmbHInventors: Volkhard Austel, Joachim Heider, Norbert Hauel, Manfred Reiffen, Jacobus C. A. van Meel, Willi Diederen
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Patent number: 4666910Abstract: Compounds of the formula ##STR1## wherein one of R.sub.1 and R.sub.2 is hydrogen, halogen, methyl, methoxy, amino or nitro and the other is hydrogen; orR.sub.1 and R.sub.2 are both halogen;R.sub.3 is hydrogen, halogen or methyl;R.sub.4 and R.sub.5 are each independently hydrogen or alkyl or 1 to 2 carbon atoms; orR.sub.4 and R.sub.5, together with each other and the nitrogen atom to which they are attached, are pyrrolidino or morpholino; andX is --O--, --NH--, or --S--;and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful anti-depressants.Type: GrantFiled: August 28, 1984Date of Patent: May 19, 1987Assignee: Boehringer Ingelheim KGInventors: Claus Schneider, Gerhard Walther, Karl-Heinz Weber, Wolf D. Bechtel, Karin Boke-Kuhn
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Patent number: 4666932Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or methyl;R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, dimethyldioxolylmethyl, hydroxymethyldioxolylmethyl, hydroxy(alkyl of 1 to 6 carbon atoms), mono- or di-(alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms), (alkyl of 1 to 6 carbon atoms)thio- (alkyl of 1 to 6 carbon atoms), (alkoxy of 1 to 6 carbon atoms)(alkyl of 1 to 6 carbon atoms)thio-(alkyl of 1 to 6 carbon atoms), cyano(alkyl of 1 to 6 carbon atoms), di-lower alkyl-amino(alkyl of 1 to 6 carbon atoms), alkenyl, alkynyl, or cycloalkyl;R.sub.2 and R.sub.3 are each independently hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or halogen; andZ is imidazol-2-yl or imidazol-4-yl;provided however that, when R.sub.1 is straight or branched alkyl, alkenyl, alkynyl, cycloalkyl or cyano and R, R.sub.2 and R.sub.3 are hydrogen, Z is other than imidazol-4-yl; tautomers thereof and non-toxic, pharmacologically acceptable acid addition salts thereof.Type: GrantFiled: July 2, 1985Date of Patent: May 19, 1987Assignee: Istituto de Angeli S.p.A.Inventors: Enzo Cereda, Giuseppe Bietti, Arturo Donetti, Piero del Soldato, Antonio Giachetti, Ferdinando Pagani
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Patent number: 4660230Abstract: This invention is directed to an improved baseball helmet. More particularly, this invention is directed to an improved baseball batting helmet comprising an outer shell which projects over at least one of a batter's ears and has webbing and/or padding on the interior side of the shell to cushion the helmet against the batter's head and having an outer member adjacent to at least one side of the helmet, an impact-release member being positioned between the outer surface of the shell and the inner surface of the outer member.Type: GrantFiled: June 17, 1986Date of Patent: April 28, 1987Assignees: Walter G. Weissenberger, William H. DippertInventor: Rudolf M. Mayling
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Patent number: 4655824Abstract: Compounds of the formula ##STR1## wherein W and X, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, iodine, nitro, alkyl of 1 to 4 carbon atoms, fluoro-substituted alkyl of 1 to 4 carbon atoms or chloro-substituted alkyl of 1 to 4 carbon atoms;Y is hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms, fluoro-substituted alkyl of 1 to 4 carbon atoms or chloro-substituted alkyl of 1 to 4 carbon atoms;Z is fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms, fluoro-substituted alkyl of 1 to 4 carbon atoms, chloro-substituted alkyl of 1 to 4 carbon atoms, --COOH or --COO-(alkyl of 1 to 4 carbon atoms); and n is 0 or 1;and, when Z is COOH, salts thereof, especially their alkali metal salts. The compounds as well as the salts are useful as selective herbicides.Type: GrantFiled: June 13, 1984Date of Patent: April 7, 1987Assignee: Celamerck GmbH & Co. KGInventors: Rudolf Mengel, Ludwig Schroder, Werner Stransky, Gerbert Linden, Sigmund Lust