For the Inventor, By the Inventor

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New York, NY, United States of America

National Petro Chemicals Corporation

USPTO Granted Patents = 31

Trademarks = 1

Forward Citations = 253

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15 inventors (with patents filed for the assignee):

Louis J Rekers (21 out of 34 patents)

Stanley J Katzen (16 out of 22 patents)

Anthony Nicholas Speca (9 out of 54 patents)

4. Jerome H Krekeler (9 out of 9 patents)

5. William Kirch (3 out of 11 patents)

6. Henri A Aboutboul (3 out of 3 patents)

7. Richard J French (2 out of 2 patents)

8. Harry W Mayhew (2 out of 3 patents)

9. Roger D Laib (1 out of 4 patents)

10. Glenroy G Blatz (1 out of 3 patents)

11. Herbert Brock (1 out of 1 patent)

12. James B Honn (1 out of 1 patent)

13. Giuliano Romano (1 out of 2 patents)

14. Michael A Rismondo (1 out of 1 patent)

15. James R Ware (1 out of 1 patent)

31 patents: Sort by Forward Citations

1. 4540755 - Inclusion of oxygen in the polymerization of olefins (1985-09-10),

2. 4536489 - High pore volume, high purity alumina gels containing a chromium catalyst (1985-08-20),

3. 4472531 - Polymerization catalyst and method of preparing the same (1984-09-18),

4. 4404340 - Process for polymerizing olefins in the presence of a (1983-09-13),

5. 4379075 - Process for polymerizing high melt index olefins and polymerization (1983-04-05),

6. 4356294 - Production of polyolefins having improved ESCR (1982-10-26),

7. 4328124 - Olefin polymerization catalyst and process (1982-05-04),

8. 4312786 - Process for polymerizing olefins and polymerization catalysts used (1982-01-26),

9. 4297461 - Olefin polymerization catalyst (1981-10-27),

10. 4290914 - Catalytic materials as for olefin polymerization (1981-09-22),

11. 4276399 - Supported catalyst from chromium for olefin polymerization (1981-06-30),

12. 4260706 - Olefin polymerization catalyst (1981-04-07),

13. 4252926 - Process for polymerizing olefins and polymerization catalysts used (1981-02-24),

14. 4238353 - Olefin polymerization catalyst (1980-12-09),

15. 4234709 - Catalyst composition, method for producing same and method for (1980-11-18),

National Petro Chemicals Corporation is a leading provider of petrochemical products and solutions. With decades of experience in the industry, we specialize in the manufacturing, distribution, and marketing of various chemicals and polymers. Our relentless commitment to quality and innovation has earned us a trusted reputation among our clients and partners. Through our state-of-the-art facilities and extensive global network, we cater to diverse industries including automotive, construction, packaging, and more. Visit our website to explore our comprehensive range of products and learn how we can meet your specific business needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

31 Patents

#242 in New York, NY

#591 in New York

#10,560 in US

#20,637 in the World

New York, NY, United States of America

National Petro Chemicals Corporation

Forward Citations = 253

15 inventors:

Louis J Rekers (21 out of 34 patents)

Stanley J Katzen (16 out of 22 patents)

Anthony Nicholas Speca (9 out of 54 patents)

4. Jerome H Krekeler (9 out of 9 patents)

5. William Kirch (3 out of 11 patents)

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