For the Inventor, By the Inventor

Enter assignee name

Greenwich, CT, United States of America

Witco Corporation

USPTO Granted Patents = 180

CIPO Patents = 15

Trademarks = 39

Forward Citations = 1,600

Loading Chart...

Loading Chart...

199 inventors (with patents filed for the assignee):

Richard Lisowsky (11 out of 14 patents)

Lawrence A Bock (10 out of 21 patents)

Michael H Fisch (9 out of 22 patents)

4. Peter Frenkel (8 out of 31 patents)

5. Bing-Lin Chen (8 out of 11 patents)

6. Robert O Keys (8 out of 24 patents)

7. Stefan Gurtzgen (7 out of 8 patents)

8. Ibrahim Bechara (5 out of 10 patents)

9. Ronald L Pastorino (5 out of 18 patents)

10. Richard D Peveler (5 out of 6 patents)

11. Ulrich Stewen (5 out of 5 patents)

12. Ronald J Muir (4 out of 23 patents)

13. Stuart D Brilliant (4 out of 12 patents)

14. Theo I Eliades (4 out of 9 patents)

15. Rainer Rieger (4 out of 4 patents)

Core Competencies:

Polyurethane

Silicone

Surfactants

Cationic Compositions

Detergents

Catalysts

Antistatic Agents

Foamed Compositions

Stabilizers

Organic Peroxide

Coupling Agents

Lubricants

180 patents: Sort by Forward Citations

1. 6660781 - Process for preparing polyurethane foam (2003-12-09),

2. 6521683 - Antistatic agents and resin compositions incorporated therein (2003-02-18),

3. 6323277 - Bridged silicone oligomers and curable compositions containing same (2001-11-27),

4. 6221954 - Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation (2001-04-24),

5. 6211345 - Synthesis of cyclic sulfur silanes (2001-04-03),

6. 6166165 - Polyurethane synthesis from functional group terminated polymers (2000-12-26),

7. 6162453 - C.sub.7 -C.sub.12 Diol & Diol alkoxylates as coupling agents for (2000-12-19),

8. 6133474 - Aromatic and aliphatic sulfonates and properties and applications thereof (2000-10-17),

9. 6124229 - Process for the preparation of metallocene catalyst systems on inert (2000-09-26),

10. 6107259 - Oil soluble calcite overbased detergents and engine oils containing same (2000-08-22),

11. 6103847 - Siloxane-polyether copolymers with unsaturated functionalities, and (2000-08-15),

12. 6054625 - Heteropolyacids as catalysts for a synthesis of ketone peroxides (2000-04-25),

13. 6039800 - Production of foamed compositions containing gypsum (2000-03-21),

14. 6028046 - Detergents with polyamine alkoxylates useful in cleaning dyed fabrics (2000-02-22),

15. 6005027 - Stable silane compositions on silica carrier (1999-12-21),

Company Overview

Witco Corporation, based in Greenwich, CT, specializes in the development and manufacturing of advanced polymer chemistry solutions. The company focuses on a diverse range of core technologies, including polyurethane, silicone, and surfactants, catering to various industrial applications. Witco's expertise extends to cationic compositions, detergents, catalysts, antistatic agents, and foamed compositions, positioning it as a key player in the chemical industry. The organization's commitment to innovation drives its research in enhancing product performance and sustainability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

180 Patents

#5 in Greenwich, CT

#64 in Connecticut

#2,252 in US

#4,641 in the World

Greenwich, CT, United States of America

Witco Corporation

Forward Citations = 1,600

199 inventors:

Richard Lisowsky (11 out of 14 patents)

Lawrence A Bock (10 out of 21 patents)

Michael H Fisch (9 out of 22 patents)

4. Peter Frenkel (8 out of 31 patents)

5. Bing-Lin Chen (8 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Witco Corporation. Retrieved from https://idiyas.com/company/witco

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

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]

Loading…