Inventor · disambiguated record
Tilak Wijesekera
Also filed as: WIJESEKERA TILAK · WIJESEKERA TILAK P
27 granted patents·618 citations·filing 1988–2004
97Inventor score
Top patents by PatentIndex Score
27 records- 0194US4892941APorphyrinsDOLPHIN DAVID H·Filed 1988·Granted Jan 9, 1990·124 cites·28 claims
- 0290US5990363AMethod for oxidizing alkanes using novel porphyrins synthesized from dipyrromethanes and aldehydesSUN COMPANY INC·Filed 1993·Granted Nov 23, 1999·29 cites·14 claims
- 0389US6169202B1Wells-Dawson type heteropolyacids, their preparation and use as oxidation catalystsSUNOCO INC R&M·Filed 2000·Granted Jan 2, 2001·33 cites·17 claims
- 0488US5241062ASynthetic route to meso-tetra hydrocarbyl or substituted hydrocarbyl porphyrins and derivativesSUN CO INC R & M·Filed 1993·Granted Aug 31, 1993·26 cites·6 claims
- 0587US5405957AWavelength-specific photosensitive compounds and expanded porphyrin-like compounds and methods of useUNIV BRITISH COLUMBIA·Filed 1992·Granted Apr 11, 1995·42 cites·5 claims
- 0686US7002048B2Method for removal of acetol from phenolSUNOCO INC R&M·Filed 2004·Granted Feb 21, 2006·13 cites·9 claims
- 0784US5077394APorphyrins and uses thereofSANDOZ LTD·Filed 1989·Granted Dec 31, 1991·22 cites·25 claims
- 0882US6388144B1Method for reducing methylbenzofuran levels in high purity phenolSUNOCO INC R&M·Filed 2001·Granted May 14, 2002·12 cites·11 claims
- 0981US6060419AWells-Dawson type heteropolyacids, their preparation and use as oxidation catalystsSUNOCO INC R&M·Filed 1998·Granted May 9, 2000·49 cites·12 claims
- 1080US7034192B2Method for removal of acetol from phenolSUNOCO INC R&M·Filed 2004·Granted Apr 25, 2006·8 cites·4 claims
- 1178US5767272AMethod of preparing meso-haloalkylporphyrinsSUN CO INC R & M·Filed 1996·Granted Jun 16, 1998·34 cites·5 claims
- 1275US5571908APorphyrinsSUN CO INC R & M·Filed 1993·Granted Nov 5, 1996·11 cites·13 claims
- 1374US5726304APorphocyanine and CNC-expanded porphyrinsUNIV BRITISH COLUMBIA·Filed 1994·Granted Mar 10, 1998·20 cites·29 claims
- 1468US5308608APhotosensitizing Diels-Alder porphyrin derivativesUNIV BRITISH COLUMBIA·Filed 1992·Granted May 3, 1994·39 cites·4 claims
- 1567US5760217APorphyrins and their synthesis from dipyrromethanes and aldehydesSUN COMPANY INC·Filed 1996·Granted Jun 2, 1998·23 cites·15 claims
- 1665US5981424ACatalysts for hydroxylation and ammination of aromatics using molecular oxygen as the terminal oxidant without coreductantSUNOCO INC R&M·Filed 1997·Granted Nov 9, 1999·25 cites·14 claims
- 1765US5512675AMethods for preparing porphyrin-like compoundsUNIV BRITISH COLUMBIA·Filed 1993·Granted Apr 30, 1996·31 cites·2 claims
- 1865US5149708APhotosensitizing Diels-Alder porphyrin derivativesUNIV BRITISH COLUMBIA·Filed 1991·Granted Sep 22, 1992·33 cites·6 claims
- 1957US5861536AOxidative ammination of benzene to aniline using molecular oxygen as the terminal oxidantSUN CO INC R & M·Filed 1997·Granted Jan 19, 1999·6 cites·32 claims
- 2056US5536844ASubstituted dipyrromethanes and their preparationSUNCOMPANY INC R & M·Filed 1995·Granted Jul 16, 1996·6 cites·4 claims
- 2154US5599948ASubstituted dipyrromethanes and their preparationSUN COMPANY INC·Filed 1996·Granted Feb 4, 1997·5 cites·4 claims
- 2249US5723677AMethod for hydroperoxide decomposition using novel porphyrins synthesized from dipyrromethanes and aldehydesSUN CO INC R & M·Filed 1996·Granted Mar 3, 1998·10 cites·16 claims
- 2347US5952532AHydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductantSUNOCO INC·Filed 1997·Granted Sep 14, 1999·11 cites·24 claims
- 2445US5608054APorphyrins and metal complexes thereof having haloalkyl side chainsSUN CO INC R & M·Filed 1995·Granted Mar 4, 1997·4 cites·8 claims
- 2536US5502211ASubstituted dipyrromethanes and their preparationSUN CO INC R & M·Filed 1993·Granted Mar 26, 1996·0 cites·5 claims
- 2634US5770728AAlkane oxidation with porphyrins and metal complexes thereof having haloalkyl side chainsSUN CO INC R & M·Filed 1996·Granted Jun 23, 1998·0 cites·12 claims
- 2733US5962752ALeached alumina vanadyl catalysts for hydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductantSUN COMPANY INC·Filed 1997·Granted Oct 5, 1999·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →