Patents by Inventor Walter Elger

Walter Elger 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: 5273971
    Abstract: There are provided 13-alkyl-11beta-phenyl-gonanes of formula I ##STR1## wherein Z is an oxygen atom or N--OH;R.sup.2 is alpha- or beta-position methyl or ethyl;R.sup.1 is selected from heteroaryl radicals, cycloalkyl radicals, cycloalkenyl radicals, aryl radicals, alkenyl radicals, and alkyl radicals where R.sup.2 is in the alpha-position and an ethyl radical where R.sup.2 is in the beta-position; andR.sup.3 and R.sup.4 are selected from one of two different groups of substituent pairs, the group from which the selection is made being determined by the position of R.sup.2.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: December 28, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Stefan Scholz, Eckhard Ottow, Guenter Neef, Walter Elger, Sybille Beier, Krzysztof Chwalisz
  • Patent number: 5244886
    Abstract: New 11.beta.-phenyl-14.beta.H-steroids of general formula (I), where Z is an oxygen atom or the hydroxyimino-grouping N.about.OH, and M and N are either jointly a second compound or L is a hydrogen atom and M is an .alpha.-permanent hydroxy group and either A and B together are a second compound and D is a hydrogen atom, where R.sup.1 is a five or six-part heteroalkyl residue or a cycloalkyl, cycloalkenyl or aryl residue or A is a hydrogen atom and B and D together are a methylene bridge, where R.sup.1 besides the aforementioned residues may be a possibly substituted hydrocarbon residue with up to 10 C atoms, a possibly substituted amino group, a hydroxy or C.sub.1-8 alkoxy, mercapto or thioalkyl group, R.sup.2 is a methyl or ethyl residue, and R.sup.3 /R.sup.4 represents the usual combination of substituents on the C17 atom in steroid chemistry, having antigestagenic and other properties.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: September 14, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Stefan Scholz, Gunter Neef, Eckhard Ottow, Walter Elger, Sybille Beier, Krzysztof Chwalisz
  • Patent number: 5232915
    Abstract: 9.alpha.-Hydroxy-19,11.beta.-bridged steroids of general formula I ##STR1## are described. The more detailed meaning of A, B, R.sup.1, R.sup.2, G, Z, R.sup.4 --Y and R.sup.4' --Y' follows from the description. The steroids of general formula I have antigestagen and/or antiglucocorticoidal action and can be used for the production of pharmaceutical agents.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: August 3, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Gunter Neef, Rudolf Wiechert, Walter Elger, Sybille Beier, Karl-Heinrich Fritzemeier
  • Patent number: 5204371
    Abstract: Compounds of the formula ##STR1## wherein the 9-chlorine atom can be in the .alpha.-or .beta.-position,A is --CH.sub.2 --CH.sub.2 -- or cis--CH.dbd.CH--,B is --CH.sub.2 --CH.sub.2,--, trans--CH.dbd.CH--, or --CH.tbd.C--, W is hydroxymethylene orD and E together represent a direct bond orD is a straight-chain or branched alkylene group of 1-10 carbon atoms, optionally substituted by fluorine, andE is oxygen or sulfur or a direct bond, andR.sub.4 is hydroxy or hydroxy etherified or esterified as defined for W above;R.sub.5 is a C.sub.1-10 hydrocarbon aliphatic group; a C.sub.1-10 hydrocarbon aliphatic group substituted by aryl, a substituted aryl as defined for R.sub.2 above, or halogen; or cycloalkyl, substituted cycloalkyl, aryl, substituted aryl or aromatic heterocyclic, all as defined for R.sub.2 above;or a physiologically acceptable salt thereof with a base when R.sub.1 is OH,have valuable pharmacologoical properties.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: April 20, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge, Ekkehard Schillinger
  • Patent number: 5134136
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: July 28, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerald Kirsch, Henry Laurent, Rudolf Wiechert, Sybille Beier, Walter Elger, James R. Bull, Gunter Neef
  • Patent number: 5132299
    Abstract: New 11.beta. phenyl-4,9,15-estratrienes of formula I ##STR1## are described, where X implies an oxygen atom or a hydroxyimino grouping N.about.OH,R.sup.1 stands for a hydrogen atom or a methyl group,R.sup.2 implies a hydrogen atom, an alkyl radical or an acyl radical with in each case 1 to 10 carbon atoms,R.sup.3 stands for a hydrogen atom, a cyanomethyl group, --(CH.sub.2).sub.n CH.sub.2 Z where n implies the numbers 0, 1, 2, 3, 4 or 5, Z=--H or --OR.sup.5 with R.sup.5 having the significance of a hydrogen atom or an alkyl or acyl group with in each case 1 to 10 carbon atoms, or for --(CH.sub.2).sub.m --C.tbd.C--Y where m=0-2 and Y implies a hydrogen, chlorine, fluorine, iodine or bromine atom, an alkyl, hydroxyalkyl, alkoxyalkyl or acyloxyalkyl group with in each case 1 to 10 carbon atoms,R.sup.4 represents a straight-chain or branched-chain, saturated or unsaturated hydrocarbon radical with up to 8 carbon atoms which contains the grouping ##STR2## with X having the above significance.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: July 21, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Helmut Hofmeister, Stefan Scholz, Guenter Neef, Walter Elger, Sybille Beier, Krzysztof Chwalisz
  • Patent number: 5095010
    Abstract: Combination products containing an antigestagen, a glucocorticoid and a prostaglandin are suitable for combined use in inducing labor or terminating pregnancy.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 10, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Walter Elger, Sybille Beier
  • Patent number: 5095129
    Abstract: New 19,11.beta.-bridged steroids of the general formula I ##STR1## where R.sup.1 stands for a methyl or ethyl radical,R.sup.2 for a hydrogen or chlorine atom or a C.sub.1 -C.sub.4 -alkyl radical,B and G, which are the same or different, respectively for a hydrogen atom, a C.sub.1 -C.sub.4 -alkyl radical or, together, for a second bond between the carbon atoms 6 and 7,B and R.sup.2 together for a methylene or an ethylene group,Z for the radical of a pentagonal or hexagonal ring, which is possibly substituted and possibly unsaturated,V stands for a possibly substituted carbocyclic or heterocyclic aryl radical,the ring A for ##STR2## M and N together meaning a second bond or M a hydrogen atom and N a hydroxy group,X means an oxygen atom, two hydrogen atoms or a hydroxyimino grouping N.about.OH,R.sup.3 and D, which are the same or different, respectively a hydrogen atom, a nitrile radical or a C.sub.1 -C.sub.4 -alkyl radical or, together, a methylene or ethylene group,E a hydrogen atom or a C.sub.1 -C.sub.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: March 10, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David A. Henderson
  • Patent number: 5093507
    Abstract: 10.beta.,11.beta.-bridged steroids of Formula I ##STR1## wherein R.sup.1 is H or methyl;R.sup.2 is H, a cyanide residue, a heteroaryl residue, a straight-chain or branched aliphatic, e.g., alkyl group of up to 20 carbon atoms, optionally exhibiting double or triple bonds and, if desired, being substituted by one or several oxo groups, a C.sub.4-7 cycloalkyl or C.sub.4-7 cycloalkenyl group, an OR.sup.3 --, SR.sup.3 --, --OSO.sub.2 --R.sup.11 -- group wherein R.sup.11 means a perfluroinated C.sub.1 -C.sub.4 -alkyl group or an NR.sup.3 R.sup.4 -group wherein R.sup.3 means an H atom or C.sub.1 -C.sub.8 -alkyl residue, R.sup.4 means R.sup.3, a cyanide or a C.sub.1 -C.sub.10 -acyl residue, or R.sup.3 and R.sup.4 jointly with the inclusion of N means of 5- or 6-membered heterocyclic ring wherein the ring can additionally contain a further hetero atom N, O, or S, or a 4-cyano-, 4-methoxy- or 4-dimethylamino-substituted phenyl group,A and B either mean jointly a further bond between C4 and C5, or A is an .alpha.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: March 3, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Cornelius Scheidges, Eckhard Ottow, Gunter Neef, Sybille Beier, Walter Elger
  • Patent number: 5089635
    Abstract: 13-alkyl-11.beta.-phenyl-gonanes of general formula I ##STR1## wherein A and B together stand for an oxygen atom, a CH.sub.2 group or a second bond between carbon atoms 9 and 10,X is an oxygen atom or the hydroxyimino grouping N.about.OH,R.sub.1 is a straight-chained or branched, saturated or unsaturated alkyl radical with up to 8 carbon atoms, which contains the grouping ##STR2## with X as described above, R.sub.2 is a methyl or ethyl radical in the .alpha. or .beta. position,R.sub.9, R.sub.10, R.sub.11 and R.sub.12 each stand for a hydrogen atom, a hydroxy, alkyl, alkoxy or acyloxy group with 1 to 4 carbon atoms respectively or a halogen atom and R.sub.3 and R.sub.4 have a variety of meanings, have antigestagenic and antiglucocorticoid effects.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Sybille Beier, Walter Elger, David Henderson, Eckard Otto, Ralph Rohde
  • Patent number: 5089488
    Abstract: 11 .beta.-(4-isopropenylphenyl)-estra-4,9-dienes of general Formula I ##STR1## wherein X is an oxygen atom or a hydroxyimino grouping ##STR2## R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a hydrogen atom or an acyl residue of 1-10 carbon atoms,R.sup.3 is a hydrogen atom, the cyanomethyl group, --(CH.sub.2).sub.n --, CH.sub.2 Z, --CH.dbd.CH--(CH.sub.2).sub.m Z or --C.dbd.CC--Y wherein n=0 to 5 and m=1 to 4, Z meaning a hydrogen atom or the OR.sup.4 group with R.sup.4 meaning a hydrogen atom, an alkyl or alkanoyl group each of 1-4 carbon atoms, and Y meaning a hydrogen, chlorine, fluorine, iodine or bromine atom, an alkyl, hydroxyalkyl, alkoxyalkyl or acyloxyalkyl group each of 1-4 carbon atoms in the alkyl or acyl residue, possess antiprogestational activity, e.g., for treating hormonal dependent tumors, and also antiglucocorticoidal activity.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Gunter Neef, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 5079259
    Abstract: A 9-chloroprostane of the formula ##STR1## wherein the 9-chlorine atom can be in the .alpha. or .beta.-position and R.sub.1, R.sub.4, R.sub.5, A, B, W, D and E are as described hereinafter which are useful as medical agents.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: January 7, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Skuballa, Bernd Raduechel, Helmut Vorbrueggen, Walter Elger, Olaf Loge, Ekkehard Schillinger
  • Patent number: 4983629
    Abstract: 11-Haloprostane derivatives of general Formula I ##STR1## wherein X is F, Cl or Br,R.sub.1 is the residue CH.sub.2 OH or ##STR2## wherein R.sub.2 means a hydrogen atom, an alkyl, cycloalkyl, aryl, phenacyl or heterocyclic residue,A is a --CH.sub.2 --CH.sub.2 -- or cis--CH.dbd.CH--group,B is a --CH.sub.2 --CH.sub.2 -- or trans--CH.dbd.CH-- or a --C.tbd.C--group,W is an ethylenedioxymethylene group or a hydroxymethylene group,D and E together mean a direct bond orD is a C.sub.1-10 -alkylene group,E is an oxygen or sulfur atom, a direct bond, a --C.tbd.C--bond or a --CR.sub.6 .dbd.CR.sub.7 -group with R.sub.6 and R.sub.7 meaning a hydrogen atom, a chlorine atom or an alkyl group,R.sub.4 is a hydroxy group,R.sub.5 is a hydrogen atom, an alkyl, a cycloalkyl, an aryl or a heterocyclic group, andthe salts thereof with physiologically compatible bases, processes for their preparation, and use thereof as agents inhibiting gastric acid secretion.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: January 8, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Vorbruggen, Norbert Schwarz, Olaf Loge, Claus-Steffen Sturzebecher, Walter Elger
  • Patent number: 4891365
    Abstract: 17-Substituted estradienes and estratrienes of Formula I ##STR1## wherein ##STR2## R is alkyl, alkenyl or cycloalkyl of up to 5 carbon atoms if ##STR3## R is hydrogen, alkyl, alkenyl or cycloalkyl of up to 5 carbon atoms if ##STR4## is a CC-single or CC-double bond, exhibit, an aldosterone-antagonistic activity and a strong gestagen potency.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: January 2, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Rudolf Wiechert, Sybille Beier, Walter Elger, Klaus Annen, Klaus Nickisch, Henry Laurent
  • Patent number: 4891368
    Abstract: Antigestagens are useful for softening the nonpregnant cervix.
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: January 2, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Krzysztof Chwalisz, Sybille Beier, Angelika Esch, Walter Elger
  • Patent number: 4888331
    Abstract: An agent containing at least one compound having antiprogestational activity and at least one compound having anti-estrogenic activity is disclosed. The agent is suitable for the induction of labor, termination of preganancy, as well as for the treatment of gynecological disorders.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: December 19, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Walter Elger, Sybille Beier, Marianne Fahnrich, Beate Kosub, Krzysztof Chwalisz, Syed H. Hasan
  • Patent number: 4870069
    Abstract: 11.beta.-substituted steroids of the formula ##STR1## wherein A and B together represent a second bond between the 6-position and 7-position carbon atoms, or, respectively, are each H;X is O, two H atoms or hydroximino;Z is the residue of a pentagonal or hexagonal ring which is optionally substituted and optionally saturated;R.sup.1 is vinyl, C.sub.3-7 -cyclo-1-alkenyl, phenyl, naphthyl or 5- or 6-membered heterocyclic aromatic having at least one N, O or S atom, each being unsubstituted or substituted by 1-3 halogen atoms, 1-3 C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -acyl, C.sub.2-10 -alkenyl, C.sub.1-4 -acyloxy, phenyl, nitro, hydroxy, carboxy, cyanide, COOR.sup.4 or amino optionally substituted by 1-2 C.sub.1-4 -alkyl;R.sup.2 is methyl or ethyl,R.sup.3 is H, Cl or methyl; andR.sup.4 is C.sub.1-4 -alkyl optionally substituted by phenyl which itself is optionally substituted by C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, halogen or phenylhave valuable pharmacological properties.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: September 26, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Rudolf Wiechert, Guenter Neef, Juergen Bardenhagen, Sybille Beier, Walter Elger, David Henderson
  • Patent number: 4870104
    Abstract: 11-Haloprostane derivatives of general formula I ##STR1## wherein X is F, Cl or Br,R.sub.1 is the residue CH.sub.2 OH or ##STR2## wherein R.sub.2 means a hydrogen atom, an alkyl, cycloalkyl, aryl, phenacyl or heterocyclic residue,A is a --CH.sub.2 --CH.sub.2 -- or cis-CH.dbd.CH-group,B is a --CH.sub.2 --CH.sub.2 -- or trans-CH.dbd.CH-- or a --C.tbd.C-group,W is an ethylenedioxymethylene group or a hydroxymethylene group,D and E together mean a direct bond orD is a C.sub.1-10 -alkylene group,E is an oxygen or sulfur atom, a direct bond, a --C.tbd.C-bond or a --CR.sub.6 .dbd.CR.sub.7 -group with R.sub.6 and R.sub.7 meaning a hydrogen atom, a chlorine atom or an alkyl group,R.sub.4 is a hydroxy group,R.sub.5 is a hydrogen atom, an alkyl, a cycloalkyl, an aryl or a heterocyclic group, andthe salts thereof with physiologically compatible bases, processes for their preparation, and use thereof as agents inhibiting gastric acid secretion.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: September 26, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Vorbruggen, Norbert Schwarz, Olaf Loge, Claus-Steffen Sturzebecher, Walter Elger
  • Patent number: 4870067
    Abstract: A combination product contains oxytocin and/or an oxytocin analog and an antigestagen for induction of birth.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: September 26, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Krzsysztof Chwalisz, Sybille Beier, Walter Elger, Guenter Neef
  • Patent number: 4829060
    Abstract: Descriptions are given of 11.beta.-aryl-estradienes of general formula I ##STR1## where X means an oxygen atom or a hydroxyimino group N.about.OH, where the hydroxy group may be in the syn or anti position,R.sup.1 means a methyl or ethyl groupR.sup.2 means a --C.tbd.C--CH.dbd.CH.sub.2, a --CH.sub.2 --(CH.sub.2).sub.n --Y--R.sup.3 or a --CH.dbd.CH--(CH.sub.2).sub.m --Y--R.sup.3 group,Y standing for an oxygen or sulfur atom, n for numbers 0 or 1, m for numbers 1, 2 or 3 and R.sup.3 for a hydrogen atom, for an alkyl or acyl radical with 1 to 4 carbon atoms respectively,with the proviso that when m stands for 1 and Y for an oxygen atom, R.sup.3 means an alkyl radical with 1 to 4 carbon atoms.The new 11.beta.-aryl-estradienes possess antigestagenic and antiglucocorticoid effects.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: May 9, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Eckhard Ottow, Guenter Neef, Ralph Rohde, Rudolf Wiechert, Sybille Beier, Walter Elger, David Henderson