Inventor · disambiguated record
Albert Louis Anna Willemsens
Also filed as: WILLEMSENS ALBERT · WILLEMSENS ALBERT L A · WILLEMSENS ALBERT LOUIS ANNA
5 granted patents·1 pending application·22 citations·filing 1981–2010
75Inventor score
Top patents by PatentIndex Score
6 records- 0176US4363918AMethod of preparing 1-alkyl-3-carboxy-1H pyrrole-2-acetic acidsJANSSEN PHARMACEUTICA NV·Filed 1981·Granted Dec 14, 1982·13 cites·8 claims
- 0251US5663354AProcess for preparing enantiomerically pure 6-[(4-chlorophenyl) (1H-1,2,4-triazol-1-yl) methyl]-1-methyl-1H-benzotrizoleJANSSEN PHARMACEUTICA NV·Filed 1993·Granted Sep 2, 1997·4 cites·4 claims
- 0350US5746840AProcess for preparing enantiomerically pure 6-{4-chlorophenyl) (1 H-1,2,4-triazol-1-YL) methyl}-1-methyl-1 H-benzotriazoleJANSSEN PHARMACEUTICA NV·Filed 1997·Granted May 5, 1998·4 cites·1 claims
- 0441US2007015798A1Efficient and stereoselective process for large scale synthesis of (3R)-3-(2,3-dihydrobenzofuran-5-yl)-1,2,3,4-tetrahydropyrrolo[3,4-b]quinolin-9-one derivativesLI XUN·Filed 2006·Application pending·0 cites
- 0532US4672126AProcess for isolating levamisole from tetramisoleJANSSEN PHARMACEUTICA NV·Filed 1984·Granted Jun 9, 1987·1 cites·9 claims
- 0619US8461341B2Resolution of (±)-methyl phenyl[4-[4-[[[4′(trifluoromethyl)-2-biphenylyl]carbonyl]amino]Phenyl]-1-piperidinyl]acetateCOPMANS ALEX HERMAN·Filed 2010·Granted Jun 11, 2013·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →