For the Inventor, By the Inventor

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Omaha, NE, United States of America

Northern Petrochemical Co.

USPTO Granted Patents = 15

Trademarks = 4

Forward Citations = 127

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14 inventors (with patents filed for the assignee):

Richard W Fries (4 out of 14 patents)

Charles K Buehler (4 out of 28 patents)

Rolf F Foerster (3 out of 3 patents)

4. Michael L Abel (2 out of 2 patents)

5. Thomas P Yates (2 out of 2 patents)

6. Keith A Probyn (1 out of 1 patent)

7. Richard W Nolen (1 out of 1 patent)

8. Charles W Erickson (1 out of 1 patent)

9. Max Bender (1 out of 1 patent)

10. Gerald G Dawson (1 out of 1 patent)

11. Ralph Goldstein (1 out of 1 patent)

12. John A Smart (1 out of 1 patent)

13. James F Ross (1 out of 1 patent)

14. Sidney F Bosen (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 4529780 - Process for polymerizing alpha olefins with phenolic compound containing (1985-07-16),

2. 4526883 - Olefin polymerization catalyst activity by simultaneous olefin washing (1985-07-02),

3. 4513117 - Process for conversion of vinyl copolymers to vinylic alcohol copolymers (1985-04-23),

4. 4482638 - In situ process for producing an alpha olefin polymerization catalyst (1984-11-13),

5. 4471065 - Olefin polymerization catalyst activity by olefin washing (1984-09-11),

6. 4471064 - Olefin polymerization catalyst activity by olefin washing and readdition (1984-09-11),

7. 4463102 - Polyolefin polymerization catalyst containing sterically unhindered (1984-07-31),

8. 4457852 - Anti-gel characteristics of silicate-containing antifreeze compositions (1984-07-03),

9. 4426318 - Supported polyethylene polymerization catalysts utilizing substituted (1984-01-17),

10. 4426309 - Antifreeze corrosion inhibitor composition for aluminum engines (1984-01-17),

11. 4407879 - Method of producing a textured film (1983-10-04),

12. 4382870 - Antifreeze corrosion inhibitor composition for aluminum engines (1983-05-10),

13. 4375531 - High impact visbroken polymeric blends (1983-03-01),

14. 4364852 - Polyolefin catalysts containing heterocyclic carboxylic acid esters (1982-12-21),

15. 4292034 - Partition folding and inserting machine (1981-09-29),

Northern Petrochemical Co. is a leading provider of petrochemical products, serving a wide range of industries worldwide. With a focus on quality, innovation, and sustainability, we strive to be a trusted partner for our customers. Our state-of-the-art facilities and experienced team ensure that we deliver high-quality products that meet the stringent requirements of our clients. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#25 in Omaha, NE

#67 in Nebraska

#20,400 in US

#38,669 in the World

Omaha, NE, United States of America

Northern Petrochemical Co.

Forward Citations = 127

14 inventors:

Richard W Fries (4 out of 14 patents)

Charles K Buehler (4 out of 28 patents)

Rolf F Foerster (3 out of 3 patents)

4. Michael L Abel (2 out of 2 patents)

5. Thomas P Yates (2 out of 2 patents)

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