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For the Inventor, By the Inventor

Fall River, MA, United States of America

Lawrence Ferreira

This inventor holds 16 USPTO granted patents, primarily in Photoresist Compositions. Top assignees: Arch Specialty Chemicals, Inc., Ocg Microelectronic Materials, Inc., Arch Chemicals, Inc.. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lawrence Ferreira. Retrieved from https://idiyas.com/inventor/lawrence-ferreira

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 93.8

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 162(Granted Patents)


Company Filing History:

goldMedal7 out of 58 
 
Arch Specialty Chemicals, Inc.
 patents
silverMedal5 out of 73 
 
Ocg Microelectronic Materials, Inc.
 patents
bronzeMedal1 out of 84 
 
Arch Chemicals, Inc.
 patents
4. 1 out of 138 
 
Fujifilm Electronic Materials U.s.a., Inc.
 patents
5. 1 out of 45 
 
Olin Hunt Specialty Products Inc.
 patents
6. 1 out of 25 
 
Olin Microelectronic Chemicals, Inc.
 patents

Years Active: 1987-2011

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Areas of Expertise:
Photoacid Generators
Photoresist Compositions
Cleaning Compositions
Acetal Derivatives
Radiation Sensitivity
Cinnamate Polymers
Diazonaphthoquinone Esters
O-Quinonediazide Esters
Metal Impurity Removal
Polylactide Compounds
16 patents (USPTO):Explore Patents
1. 7935665 - Non-corrosive cleaning compositions for removing etch residues (2011-05-03),
2. 6855476 - Photoacid generators for use in photoresist compositions (2005-02-15),
3. 6380317 - Production of acetal derivatized hydroxyl aromatic polymers and their use in radiation sensitive formulations (2002-04-30),
4. 6312870 - t-butyl cinnamate polymers and their use in photoresist compositions (2001-11-06),
5. 6309793 - Production of acetal derivatized hydroxyl aromatic polymers and their use in radiation sensitive formulations (2001-10-30),
6. 6200480 - Method of purifying photoacid generators for use in photoresist compositions (2001-03-13),
7. 6159653 - Production of acetal derivatized hydroxyl aromatic polymers and their (2000-12-12),
8. 6140026 - Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl (2000-10-31),
9. 6133412 - Production of acetal derivatized hydroxyl aromatic polymers and their (2000-10-17),
10. 6040107 - Photosensitive diazonaphthoquinone esters based on selected cyclic alkyl (2000-03-21),
11. 5602260 - Selected O-quinonediazide sulfonic acid esters of phenolic compounds and (1997-02-11),
12. 5547814 - O-quinonediazide sulfonic acid esters of phenolic compounds and their (1996-08-20),
13. 5541033 - Selected o-quinonediazide sulfonic acid esters of phenolic compounds and (1996-07-30),
14. 5446125 - Method for removing metal impurities from resist components (1995-08-29),
15. 5234789 - Polylactide compounds as sensitivity enhancers for radiation sensitive (1993-08-10),

Title: The Innovative Journey of Lawrence Ferreira

Introduction: Lawrence Ferreira, a talented inventor hailing from Fall River, MA (US), has made significant contributions to the world of innovations with his creative mind and dedication to problem-solving.

Latest Patents: Lawrence Ferreira's latest patents include groundbreaking inventions in the field of renewable energy technology, specifically focusing on solar panel efficiency and energy storage solutions.

Career Highlights: Throughout his illustrious career, Lawrence Ferreira has been recognized for his pioneering work in sustainable technologies. His inventions have not only improved the efficiency of renewable energy sources but have also contributed to reducing the carbon footprint on a global scale.

Collaborations: Lawrence Ferreira has collaborated with leading research institutions and universities to further advance his innovative ideas. His partnerships with top experts in the field have resulted in cutting-edge inventions that have the potential to revolutionize the way we harness and utilize energy.

Conclusion: Lawrence Ferreira's passion for innovation and his commitment to creating a more sustainable future have solidified his position as a prominent figure in the world of inventions. His relentless pursuit of excellence continues to inspire the next generation of inventors to push the boundaries of what is possible in the realm of technology and sustainability.

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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