Inventor · disambiguated record
Waldemar Pfrengle
Also filed as: PFRENGLE WALDEMAR · PFRENGLE WALDEMAR F A · PFRENGLE WALDEMAR FRANZ AUGUST
41 granted patents·13 pending applications·817 citations·filing 1994–2017
98Inventor score
Files withAMERICAN CYANAMID CO11PFRENGLE WALDEMAR11BOEHRINGER INGELHEIM INT7BASF AG6BOEHRINGER INGELHEIM PHARMA5
Top patents by PatentIndex Score
54 records- 0197US8106060B28-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticalsPFRENGLE WALDEMAR·Filed 2006·Granted Jan 31, 2012·67 cites·21 claims
- 0297US7820815B2Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthinesBOEHRINGER INGELHEIM INT·Filed 2005·Granted Oct 26, 2010·76 cites·13 claims
- 0396US8962636B2Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositionsPFRENGLE WALDEMAR·Filed 2012·Granted Feb 24, 2015·47 cites·20 claims
- 0496US8865729B2Salt forms of a xanthine compoundSIEGER PETER·Filed 2009·Granted Oct 21, 2014·47 cites·10 claims
- 0596US5986135AFungicidal trifluoromethylalkylamino-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1998·Granted Nov 16, 1999·86 cites·10 claims
- 0695US9212183B2Salt forms of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthineSIEGER PETER·Filed 2014·Granted Dec 15, 2015·33 cites·4 claims
- 0795US9199998B2Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositionsBOEHRINGER INGELHEIM INT·Filed 2014·Granted Dec 1, 2015·25 cites·10 claims
- 0895US8883805B2Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthinesPFRENGLE WALDEMAR·Filed 2013·Granted Nov 11, 2014·28 cites·14 claims
- 0995US8883800B2Substituted quinazolines, the preparation thereof and the use thereof in pharmaceutical compositionsPFRENGLE WALDEMAR·Filed 2012·Granted Nov 11, 2014·28 cites·15 claims
- 1095US8637530B28-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticalsPFRENGLE WALDEMAR·Filed 2012·Granted Jan 28, 2014·27 cites·18 claims
- 1194US8541450B2Process for the preparation of chiral 8-(3-aminopiperidin-1yl)-xanthinesPFRENGLE WALDEMAR·Filed 2009·Granted Sep 24, 2013·26 cites·2 claims
- 1294US6747154B2Process for preparing scopine estersBOEHRINGER INGELHEIM PHARMA·Filed 2003·Granted Jun 8, 2004·53 cites·25 claims
- 1393US5994360AFungicidal 5-alkyl-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1998·Granted Nov 30, 1999·61 cites·14 claims
- 1488US6204269B1Fungicidal trifluoromethylalkylamino-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted Mar 20, 2001·29 cites·10 claims
- 1586US6255309B1Fungicidal trifluoromethylalkylamino-triazolopyrimidinesAMERICAN CYANOMID CO·Filed 1999·Granted Jul 3, 2001·39 cites·6 claims
- 1684US7230104B2Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidinesBASF AG·Filed 2005·Granted Jun 12, 2007·3 cites·9 claims
- 1783US5948783AFungicidal trifluoromethylalkylamino-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1998·Granted Sep 7, 1999·30 cites·8 claims
- 1882US6632821B2Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidinesBASF AG·Filed 2001·Granted Oct 14, 2003·9 cites·7 claims
- 1980US6020338AFungicidal 7-alkyl-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted Feb 1, 2000·24 cites·20 claims
- 2080US5981534AFungicidal 6-(2,6-difluoro-4-alkoxyphenyl)-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1998·Granted Nov 9, 1999·24 cites·20 claims
- 2178US6284762B1Fungicidal 6-(2-halo-4-alkoxyphenyl)-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted Sep 4, 2001·24 cites·8 claims
- 2271US8263768B2Process for the stereoselective preparation of bicyclic heterocyclesOSTERMEIER MARKUS·Filed 2009·Granted Sep 11, 2012·2 cites·10 claims
- 2371US7968717B2Crystalline anhydrate with anticholinergic efficacyBOEHRINGER INGELHEIN INTERNAT GMBH·Filed 2004·Granted Jun 28, 2011·6 cites·10 claims
- 2469US8207335B2Process for making certain compounds having B1 antagonistic activityDURAN ADIL·Filed 2010·Granted Jun 26, 2012·1 cites·2 claims
- 2569US7329663B2Substituted-triazolopyrimidines as anticancer agentsWYETH CORP·Filed 2001·Granted Feb 12, 2008·7 cites·16 claims
- 2668US2007208037A1Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidinesPEES KLAUS-JUERGEN·Filed 2007·Application pending·0 cites
- 2766US9499546B2Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthinesPFRENGLE WALDEMAR·Filed 2014·Granted Nov 22, 2016·0 cites·8 claims
- 2865US9751855B2Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthinesBOEHRINGER INGELHEIM INT·Filed 2017·Granted Sep 5, 2017·0 cites·3 claims
- 2962US6943252B2Fungicidal 5-phenyl substituted 2-(cyanoamino) pyrimidinesBASF AG·Filed 2003·Granted Sep 13, 2005·1 cites·5 claims
- 3062US2007027320A1New Process for the Production of Tiotropium SaltsBOEHRINGER INGELHEIM PHARMA·Filed 2006·Application pending·0 cites
- 3161US2014323732A1New process for the production of tiotropium saltsBRANDENBURG JOERG·Filed 2014·Application pending·0 cites
- 3260US6277857B1Fungicidal 7-oxy-and 7-thio-substituted-triazolopyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted Aug 21, 2001·7 cites·11 claims
- 3360US2017029402A1Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthinesBOEHRINGER INGELHEIM INT·Filed 2016·Application pending·0 cites
- 3459US2013116435A1New process for the production of tiotropium saltsBOEHRINGER INGELHEIM PHARMA·Filed 2012·Application pending·0 cites
- 3558US8906931B19-[4-(3-chloro-2-fluoro-phenylamino-7-methoxy-quinazoline-6-yloxy]-1,4-diaza-spiro[5.5]undecane-5-one dimaleate, use thereof as a medicament and method for the production thereofPFRENGLE WALDEMAR·Filed 2014·Granted Dec 9, 2014·0 cites·2 claims
- 3658US2015225395A1New process for the production of tiotropium saltsBOEHRINGER INGELHEIM PHARMA·Filed 2015·Application pending·0 cites
- 3756USRE40332EFungicidal trifluoromethylalkylamino-triazolopyrimidinesBASF AG·Filed 2003·Granted May 20, 2008·0 cites·6 claims
- 3854US8101763B2Method for producing scopine estersPFRENGLE WALDEMAR·Filed 2008·Granted Jan 24, 2012·0 cites·13 claims
- 3952US2010210844A1New process for the production of tiotropium saltsBOEHRINGER INGELHEIM PHARMA·Filed 2010·Application pending·0 cites
- 4051US7084146B2Fungicidal trifluoromethylalkylamino-triazolopyrimidinesBASF AG·Filed 2001·Granted Aug 1, 2006·0 cites·9 claims
- 4151US5849802AFungicidal spirocyclic aminesAMERICAN CYANAMID CO·Filed 1996·Granted Dec 15, 1998·4 cites·16 claims
- 4251US2011046395A1Process for the manufacture of a 6-fluoro-1,2-dihydro-2-oxo-3h-indol-3-ylidene derivativeBOEHRINGER INGELHEIM INT·Filed 2009·Application pending·0 cites
- 4350US2011301350A1Process for preparing cycloalkyl-substituted piperazine compoundsPFRENGLE WALDEMAR·Filed 2009·Application pending·0 cites
- 4450US2011130437A1Salt forms of a 6-fluoro-1,2-dihydro-2-oxo-3h-indol-3-ylidene derivative, process for their manufacture and pharmaceutical compositions containing sameBOEHRINGER INGELHEIM INT·Filed 2009·Application pending·0 cites
- 4549US5462944AFungicidal composition and method of combating fungiSHELL RES LTD·Filed 1994·Granted Oct 31, 1995·2 cites·16 claims
- 4648US2005096341A1Novel tiotropium salts, process for the preparation and pharmaceutical compositions thereofBOEHRINGER INGELHEIM INT·Filed 2004·Application pending·0 cites
- 4747US2008020987A1Processes for preparing pyrazole-O-glycoside derivatives and novel intermediates of said processesPFRENGLE WALDEMAR·Filed 2006·Application pending·0 cites
- 4842US8686148B2Process for preparing new tiotropium salts, new tiotropium salts as such and pharmaceutical compositions thereofBANHOLZER ROLF·Filed 2004·Granted Apr 1, 2014·0 cites·2 claims
- 4940US6747033B2Fungicidal triazolopyrimid-7-ylideneaminesBASF AG·Filed 2001·Granted Jun 8, 2004·0 cites·10 claims
- 5039US5641883AFungicidal spiroheterocyclic derivativesAMERICAN CYANAMID CO·Filed 1995·Granted Jun 24, 1997·1 cites·1 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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