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For the Inventor, By the Inventor

Glen Mills, PA, United States of America

Tilak P Wijesekera

This inventor holds 27 USPTO granted patents and 2 EPO patents, primarily in Porphyrin Chemistry. Top assignees: Sun Company, Inc (r&m), Sunoco Inc (r&m), The University of British Columbia. Active years: 1990-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tilak P Wijesekera. Retrieved from https://idiyas.com/inventor/tilak-p-wijesekera

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 27

% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 297(Granted Patents)


Location History:

  • Vancouver, CA (1990 - 1994)
  • Glens Mills, PA (US) (2000)
  • Glen Mills, PA (US) (1993 - 2001)
  • Boothwyn, PA (US) (2002 - 2006)

Company Filing History:

goldMedal9 out of 54 
 
Sun Company, Inc (r&m)
 patents
silverMedal5 out of 40 
 
Sunoco Inc (r&m)
 patents
bronzeMedal5 out of 963 
 
The University of British Columbia
 patents
4. 4 out of 20 
 
Sun Company, Inc.
 patents
5. 1 out of 3,448 
 
Rohm and Haas Company
 patents
6. 1 out of 1,603 
 
Sandoz Gmbh
 patents
7. 1 out of 6 
 
Sunoco, Inc.
 patents
8. 2 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2006

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Areas of Expertise:
Oxidation Catalysts
Porphyrin Synthesis
Aromatic Hydroxylation
Alkane Oxidation
Heteropolyacids
Photosensitizing Compounds
Methylbenzofuran
Dipyrromethanes
Hydroperoxide Decomposition
Aniline Synthesis
Meso-Haloalkylporphyrins
Catalysts
27 patents (USPTO):Explore Patents
1. 7034192 - Method for removal of acetol from phenol (2006-04-25),
2. 7002048 - Method for removal of acetol from phenol (2006-02-21),
3. 6388144 - Method for reducing methylbenzofuran levels in high purity phenol (2002-05-14),
4. 6169202 - Wells-Dawson type heteropolyacids, their preparation and use as oxidation catalysts (2001-01-02),
5. 6060419 - Wells-Dawson type heteropolyacids, their preparation and use as (2000-05-09),
6. 5990363 - Method for oxidizing alkanes using novel porphyrins synthesized from (1999-11-23),
7. 5981424 - Catalysts for hydroxylation and ammination of aromatics using molecular (1999-11-09),
8. 5962752 - Leached alumina vanadyl catalysts for hydroxylation of aromatics using (1999-10-05),
9. 5952532 - Hydroxylation of aromatics using molecular oxygen as the terminal (1999-09-14),
10. 5861536 - Oxidative ammination of benzene to aniline using molecular oxygen as the (1999-01-19),
11. 5770728 - Alkane oxidation with porphyrins and metal complexes thereof having (1998-06-23),
12. 5767272 - Method of preparing meso-haloalkylporphyrins (1998-06-16),
13. 5760217 - Porphyrins and their synthesis from dipyrromethanes and aldehydes (1998-06-02),
14. 5726304 - Porphocyanine and CNC-expanded porphyrins (1998-03-10),
15. 5723677 - Method for hydroperoxide decomposition using novel porphyrins (1998-03-03),

Title: Inventor Tilak P Wijesekera

Introduction: Tilak P Wijesekera is a renowned inventor based in Glen Mills, PA (US) known for his groundbreaking contributions to various fields.

Latest Patents: Tilak P Wijesekera holds several patents in the areas of technology and healthcare, showcasing his innovative mindset and problem-solving abilities.

Career Highlights: With a career spanning over two decades, Wijesekera has worked on numerous projects that have revolutionized industries, earning him a reputation as a visionary inventor.

Collaborations: Throughout his career, Tilak P Wijesekera has collaborated with leading companies, research institutions, and universities to bring his inventions to life, further solidifying his impact on the innovation landscape.

Conclusion: Inventor Tilak P Wijesekera's passion for pushing the boundaries of what is possible has led to significant advancements in various sectors, making him a key figure in the world of inventions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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