Patents by Inventor Waldemar Pfrengle

Waldemar Pfrengle 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: 7329663
    Abstract: The invention provides a method of treating or inhibiting the growth of cancerous tumor cells and associated diseases in a mammal in need thereof which comprises administering to said mammal an effective amount of a substituted triazolopyrimidine derivative or a pharmaceutically acceptable salt thereof and further provides a method of treating or inhibiting the growth of cancerous tumor cells and associated diseases in a mammal in need thereof by interacting with tubulin and microtubules and promoting microtubule polymerization which comprises administering to said mammal an effective amount of a substituted triazolopyrimidine derivative or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: February 12, 2008
    Assignee: Wyeth
    Inventors: Mark R. Schmitt, Donald R. Kirsch, Jane E. Harris, Carl F. Beyer, Klaus-Jüergen Pees, Paul A. Carter, Waldemar Pfrengle, Guido Albert
  • Publication number: 20080020987
    Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 to R6 and R7a, R7b, R7c are defined according to claim 1. Furthermore the present invention relates to processes for preparing educts and intermediates in the above processes and to intermediates as such.
    Type: Application
    Filed: July 20, 2006
    Publication date: January 24, 2008
    Inventor: Waldemar Pfrengle
  • Publication number: 20070208037
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxycarbonyl, ?wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, NR5 or a single bond, wherein R5 represents hydrogen or alkyl; or ?R1 and R5 together with the interjacent nitrogen atom form a het
    Type: Application
    Filed: May 7, 2007
    Publication date: September 6, 2007
    Inventors: Klaus-Juergen PEES, Waldemar Pfrengle, Gavin Heffernan
  • Patent number: 7230104
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxy-carbonyl, wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, NR5 or a single bond, wherein R5 represents hydrogen or alkyl; or R1 and R5 together with the interjacent nitrogen atom form a hetero
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: June 12, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Publication number: 20070027320
    Abstract: The invention relates to a new process for preparing tiotropium salts of general formula 1 wherein X? may have the meanings given in the claims and in the specification.
    Type: Application
    Filed: July 24, 2006
    Publication date: February 1, 2007
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Joerg Brandenburg, Waldemar Pfrengle
  • Publication number: 20070027168
    Abstract: The invention relates to 8-[3-amino-piperidin-1-yl]-xanthines and the physiologically acceptable salts thereof, particularly the hydrochlorides thereof.
    Type: Application
    Filed: July 30, 2006
    Publication date: February 1, 2007
    Inventors: Waldemar Pfrengle, Peter Sieger
  • Patent number: 7084146
    Abstract: The novel compounds of formula I: wherein R1 is hydrogen or methyl; R2 is hydrogen, or an optionally substituted alkyl, alkenyl, alkynyl, alkadienyl or phenyl group; Hal is halogen; and L1 through L5 are each hydrogen, halogen, alkyl, alkoxy or nitro, provided that at least one of L1 through L5 represents nitro or alkoxy; show selective fungicidal activity. The new compounds are processed with carriers and adjuvants to fungicidal compositions.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: August 1, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig, Leslie May, Waldemar Pfrengle
  • Publication number: 20060142310
    Abstract: The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.
    Type: Application
    Filed: November 4, 2005
    Publication date: June 29, 2006
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Waldemar Pfrengle, Thorsten Pachur, Thomas Nicola, Adil Duran
  • Publication number: 20050282847
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxy-carbonyl, wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, NR5 or a single bond, wherein R5 represents hydrogen or alkyl; or R1 and R5 together with the interjacent nitrogen atom form a he
    Type: Application
    Filed: July 22, 2005
    Publication date: December 22, 2005
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Publication number: 20050282828
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxy-carbonyl, wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, MR5 or a single bond, wherein R5 represents hydrogen or alkyl; or R1 and R5 together with the interjacent nitrogen atom form a he
    Type: Application
    Filed: July 22, 2005
    Publication date: December 22, 2005
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Patent number: 6943252
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxycarbonyl, wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, NR5 or a single bond, wherein R5 represents hydrogen or alkyl; or R1 and R5 together with the interjacent nitrogen atom form a heter
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: September 13, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Publication number: 20050143410
    Abstract: The invention relates to a new crystalline anhydrate of tiotropium bromide, processes for preparing it and its use for preparing a pharmaceutical composition for the treatment of respiratory complaints, particularly for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.
    Type: Application
    Filed: October 29, 2004
    Publication date: June 30, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Waldemar Pfrengle, Peter Sieger
  • Publication number: 20050131007
    Abstract: The invention relates to a process for preparing new tiotropium salts, these new tiotropium salts as such, pharmaceutical formulations containing them and their use for preparing a medicament for the treatment of respiratory complaints, particularly for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.
    Type: Application
    Filed: October 29, 2004
    Publication date: June 16, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Rolf Banholzer, Waldemar Pfrengle, Peter Sieger
  • Publication number: 20050096341
    Abstract: The invention relates to new tiotropium salts, processes for preparing them, pharmaceutical formulations containing them and their use for preparing a medicament for the treatment of respiratory complaints, particularly for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 5, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Rolf Banholzer, Waldemar Pfrengle, Peter Sieger
  • Publication number: 20040147744
    Abstract: Pyrimidines of formula I 1
    Type: Application
    Filed: July 9, 2003
    Publication date: July 29, 2004
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Patent number: 6747033
    Abstract: Compounds of formula I in which R1 is alkyl, alkoxyalkyl, cycloalkylalkyl, alkenyl, alkynyl, alkadienyl, haloalkyl, trihydrocarbylsilyl, formyl, alkanoyl or alkoxycarbonyl group being attached either to the nitrogen in the 3- or 4-position; R2 is hydrogen, alkyl, alkenyl, alkynyl, alkadienyl, haloalkyl, cycloalkyl, bicycloalkyl, phenyl, naphthyl, 5- or 6-membered heteroaryl or heterocyclic groups containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom as ring members; R3 is phenyl, cycloalkyl or 5- or 6-membered heteroaryl containing besides carbon atoms one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom as ring members; R4 is halogen, amino, alkoxy, haloalkoxy, alkylamino or dialkylamino; wherein the bent line indicates that the double Bond may be located between the 3- and 9-position or the 4- and 9-Position; and the zigzag line indicates that the groups connected may have the (E)- or (Z)-configuration; R
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: June 8, 2004
    Assignee: BASF Aktiengesellschaft
    Inventor: Waldemar Pfrengle
  • Patent number: 6632821
    Abstract: Pyrimidines of formula I in which R1 represents hydrogen or alkyl, haloalkyl, alkenyl, alkynyl, alkadienyl, alkoxy, cycloalkyl, phenyl, or 5- or 6-membered heteroaryl or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or tri-alkyl-silyl, formyl or alkoxycarbonyl, wherein R1 groups are unsubstituted or substituted as defined in the specification; R2 represents phenyl, cycloalkyl or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which are unsubstituted or substituted; R3 represents hydrogen, halogen or alkyl, alkoxy, alkylthio, alkylamino or dialkylamino; which are unsubstituted or substituted; R4 represents hydrogen or alkyl, alkenyl or alkynyl; which are unsubstituted or substituted; and X represents O, S, NR5 or a single bond, wherein R5 represents hydrogen or alkyl; or R1 and R5 together with the interjacent nitrogen ato
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: October 14, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Publication number: 20030088096
    Abstract: Pyrimidines of formula I 1
    Type: Application
    Filed: June 12, 2001
    Publication date: May 8, 2003
    Applicant: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Waldemar Pfrengle, Gavin Heffernan
  • Publication number: 20030083328
    Abstract: Compound of formula I 1
    Type: Application
    Filed: June 12, 2001
    Publication date: May 1, 2003
    Inventor: Waldemar Pfrengle
  • Patent number: RE40332
    Abstract: The novel compounds of formula I: wherein (R1, R2, Hal and L1 through L5 are defined in the specification) show selective fungicidal activity. The new compounds may be processed with carriers and adjuvants to produce fungicidal compositions.
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: May 20, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig, Leslie May, Waldemar Pfrengle