Inventor

WIJESEKERA TILAK P

CA12 patents

⚠️ This page may combine multiple inventors who share the name “WIJESEKERA TILAK P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUNOCO INC R&M

6 patents

US6060419AMay 9, 2000

Wells-Dawson type heteropolyacids, their preparation and use as oxidation catalysts

SUNOCO INC R&M49 citations94

US5981424ANov 9, 1999

Catalysts for hydroxylation and ammination of aromatics using molecular oxygen as the terminal oxidant without coreductant

SUNOCO INC R&M25 citations92

US6169202B1Jan 2, 2001

Wells-Dawson type heteropolyacids, their preparation and use as oxidation catalysts

SUNOCO INC R&M33 citations91

US7002048B2Feb 21, 2006

Method for removal of acetol from phenol

SUNOCO INC R&M13 citations83

US7034192B2Apr 25, 2006

Method for removal of acetol from phenol

SUNOCO INC R&M8 citations73

US6388144B1May 14, 2002

Method for reducing methylbenzofuran levels in high purity phenol

SUNOCO INC R&M12 citations72

SUN CO INC R & M

2 patents

US5241062AAug 31, 1993

Synthetic route to meso-tetra hydrocarbyl or substituted hydrocarbyl porphyrins and derivatives

SUN CO INC R & M26 citations92

US5861536AJan 19, 1999

Oxidative ammination of benzene to aniline using molecular oxygen as the terminal oxidant

SUN CO INC R & M6 citations62

DOLPHIN DAVID H

1 patent

US4892941AJan 9, 1990

Porphyrins

DOLPHIN DAVID H124 citations94

SANDOZ LTD

1 patent

US5077394ADec 31, 1991

Porphyrins and uses thereof

SANDOZ LTD22 citations91

SUNOCO INC

1 patent

US5952532ASep 14, 1999

Hydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductant

SUNOCO INC11 citations72

SUN COMPANY INC

1 patent

US5962752AOct 5, 1999

Leached alumina vanadyl catalysts for hydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductant

SUN COMPANY INC2 citations61