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New York, NY, United States of America

W. R. Grace Co.-Conn.

USPTO Granted Patents = 1,391

CIPO Patents = 78

EPO Patents = 129

Trademarks = 177

Forward Citations = 21,234

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1,073 inventors (with patents filed for the assignee):

Neal Steven Berke (40 out of 51 patents)

Henry G Schirmer (27 out of 90 patents)

Robert A Wiercinski (27 out of 38 patents)

4. Richard Franklin Wormsbecher (26 out of 28 patents)

5. Ellis M Gartner (26 out of 27 patents)

6. Michael Scott Ziebarth (25 out of 27 patents)

7. James Neil Pryor (24 out of 28 patents)

8. Wu-Cheng Cheng (24 out of 26 patents)

9. Stephen Raymond Schmidt (23 out of 23 patents)

10. William Alan Whittenberger (21 out of 64 patents)

11. Demetrius Michos (21 out of 22 patents)

12. Linfeng Chen (20 out of 65 patents)

13. John Allen Rudesill (20 out of 20 patents)

14. William Peyton Roberts (20 out of 41 patents)

15. Drew V Speer (19 out of 70 patents)

Core Competencies:

Catalysts

Silica-Based Matting Agents

Defoamer Active

Hydrophobic Coatings

Olefin Polymerization

Polypropylene Compositions

Chromatography Media

Functionalized Support Materials

Polyolefins

Electron Donors

Acid-Resistant Catalysts

Ziegler-Natta Precatalysts

1,391 patents: Sort by Forward Citations

1. 12479782 - Catalysts, preparation method thereof, and selective hydrogenation processes (2025-11-25),

2. 12448528 - Silica-based matting agents and methods of making and using the same (2025-10-21),

3. 12427444 - Defoamer active, manufacturing thereof, and deforming formulation (2025-09-30),

4. 12421401 - Coating compositions for hydrophobic films and articles having hydrophobic surfaces (2025-09-23),

5. 12370531 - Method for manufacturing catalysts with reduced attrition (2025-07-29),

6. 12305143 - Using silica-zirconia catalysts in processes to reduce glycidol, glycidyl esters, or both glycidol and glycidyl esters (2025-05-20),

7. 12296315 - Silica adsorbent for removal of chlorophyll derivatives from triacylglycerol-based oils (2025-05-13),

8. 12240925 - Process for preparing solid catalyst components for olefin polymerization (2025-03-04),

9. 12221530 - Polypropylene copolymer composition having subzero impact resistance (2025-02-11),

10. 12203006 - Silica-based matting agents and methods of making and using the same (2025-01-21),

11. 12187880 - Polypropylene polymer composition having high stiffness properties (2025-01-07),

12. 12071535 - Polypropylene random copolymer composition for cold and hot water pipe applications (2024-08-27),

13. 11999857 - Coated particles and methods of making and using the same (2024-06-04),

14. 11993700 - Catalyst system for the production of polyolefins and method of making and using same (2024-05-28),

15. 11993672 - Production of high melt flow propylene-based polymer and product from same (2024-05-28),

W. R. Grace Co.-conn. is a global specialty chemical and materials company that provides innovative products and technologies for various industries such as refining, petrochemicals, and construction. With over 80 years of experience, the company is known for its commitment to sustainability and creating value for its customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,391 Patents

#12 in New York, NY

#21 in New York

#351 in US

#690 in the World

New York, NY, United States of America

W. R. Grace Co.-Conn.

Forward Citations = 21,234

1,073 inventors:

Neal Steven Berke (40 out of 51 patents)

Henry G Schirmer (27 out of 90 patents)

Robert A Wiercinski (27 out of 38 patents)

4. Richard Franklin Wormsbecher (26 out of 28 patents)

5. Ellis M Gartner (26 out of 27 patents)

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