Tilak P. Wijesekera

Person

Boothwyn, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for removal of acetol from phenol
- Patent number 7,034,192
- Issue date Apr 25, 2006
- Sunoco Inc. (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for removal of acetol from phenol
- Patent number 7,002,048
- Issue date Feb 21, 2006
- Sunoco, Inc. (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for reducing methylbenzofuran levels in high purity phenol
- Patent number 6,388,144
- Issue date May 14, 2002
- Sunoco, Inc. (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Wells-Dawson type heteropolyacids, their preparation and use as oxi...
- Patent number 6,169,202
- Issue date Jan 2, 2001
- Sunoco, Inc. (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Wells-Dawson type heteropolyacids, their preparation and use as oxi...
- Patent number 6,060,419
- Issue date May 9, 2000
- Sunoco, Inc. (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for oxidizing alkanes using novel porphyrins synthesized fro...
- Patent number 5,990,363
- Issue date Nov 23, 1999
- Sun Company, Inc.
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalysts for hydroxylation and ammination of aromatics using molec...
- Patent number 5,981,424
- Issue date Nov 9, 1999
- Sunoco, Inc. (R&M)
- Vincent A. Durante
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Leached alumina vanadyl catalysts for hydroxylation of aromatics us...
- Patent number 5,962,752
- Issue date Oct 5, 1999
- Sun Company, Inc.
- Vincent A. Durante
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxylation of aromatics using molecular oxygen as the terminal o...
- Patent number 5,952,532
- Issue date Sep 14, 1999
- Sunoco, Inc.
- Vincent A. Durante
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidative ammination of benzene to aniline using molecular oxygen a...
- Patent number 5,861,536
- Issue date Jan 19, 1999
- Sun Company, Inc (R&M)
- Vincent A. Durante
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkane oxidation with porphyrins and metal complexes thereof having...
- Patent number 5,770,728
- Issue date Jun 23, 1998
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing meso-haloalkylporphyrins
- Patent number 5,767,272
- Issue date Jun 16, 1998
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porphyrins and their synthesis from dipyrromethanes and aldehydes
- Patent number 5,760,217
- Issue date Jun 2, 1998
- Sun Company, Inc.
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porphocyanine and CNC-expanded porphyrins
- Patent number 5,726,304
- Issue date Mar 10, 1998
- The University of British Columbia
- Hang Tang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for hydroperoxide decomposition using novel porphyrins synth...
- Patent number 5,723,677
- Issue date Mar 3, 1998
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porphyrins and metal complexes thereof having haloalkyl side chains
- Patent number 5,608,054
- Issue date Mar 4, 1997
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted dipyrromethanes and their preparation
- Patent number 5,599,948
- Issue date Feb 4, 1997
- Sun Company, Inc.
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porphyrins
- Patent number 5,571,908
- Issue date Nov 5, 1996
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted dipyrromethanes and their preparation
- Patent number 5,536,844
- Issue date Jul 16, 1996
- SunCompany, Inc. (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for preparing porphyrin-like compounds
- Patent number 5,512,675
- Issue date Apr 30, 1996
- The University of British Columbia
- Hang Tang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Substituted dipyrromethanes and their preparation
- Patent number 5,502,211
- Issue date Mar 26, 1996
- Sun Company, Inc (R&M)
- Tilak Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Wavelength-specific photosensitive compounds and expanded porphyrin...
- Patent number 5,405,957
- Issue date Apr 11, 1995
- The University of British Columbia
- Hang Tang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Synthetic route to meso-tetra hydrocarbyl or substituted hydrocarby...
- Patent number 5,241,062
- Issue date Aug 31, 1993
- Sun Company, Inc (R&M)
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for removal of acetol from phenol
- Publication number 20050215835
- Publication date Sep 29, 2005
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for removal of acetol from phenol
- Publication number 20050215834
- Publication date Sep 29, 2005
- Tilak P. Wijesekera
- C07 - ORGANIC CHEMISTRY

Tilak P. Wijesekera

Person

Patents Grantslast 30 patents

Method for removal of acetol from phenol

Method for removal of acetol from phenol

Method for reducing methylbenzofuran levels in high purity phenol

Wells-Dawson type heteropolyacids, their preparation and use as oxi...

Wells-Dawson type heteropolyacids, their preparation and use as oxi...

Method for oxidizing alkanes using novel porphyrins synthesized fro...

Catalysts for hydroxylation and ammination of aromatics using molec...

Leached alumina vanadyl catalysts for hydroxylation of aromatics us...

Hydroxylation of aromatics using molecular oxygen as the terminal o...

Oxidative ammination of benzene to aniline using molecular oxygen a...

Alkane oxidation with porphyrins and metal complexes thereof having...

Method of preparing meso-haloalkylporphyrins

Porphyrins and their synthesis from dipyrromethanes and aldehydes

Porphocyanine and CNC-expanded porphyrins

Method for hydroperoxide decomposition using novel porphyrins synth...

Porphyrins and metal complexes thereof having haloalkyl side chains

Substituted dipyrromethanes and their preparation

Porphyrins

Substituted dipyrromethanes and their preparation

Methods for preparing porphyrin-like compounds

Substituted dipyrromethanes and their preparation

Wavelength-specific photosensitive compounds and expanded porphyrin...

Synthetic route to meso-tetra hydrocarbyl or substituted hydrocarby...

Patents Applicationslast 30 patents

Method for removal of acetol from phenol

Method for removal of acetol from phenol