Bartlesville, OK, United States of America

John S Roberts

This inventor holds 27 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent, primarily in Catalyst Technology. Top assignee: Phillips Petroleum Company. Active years: 1981-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S Roberts. Retrieved from https://idiyas.com/inventor/john-s-roberts

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

USPTO Granted Patents = 27 (Patent Applications = 8)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 2)

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 156(Granted Patents)

Location History:

Bartlesville, OK (US) (1981 - 1994)
Chatham, NJ (US) (1998)

Company Filing History:

26 out of 5,071

Phillips Petroleum Company

patents

where one patent can have more than one assignee

Years Active: 1981-1998

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Areas of Expertise:

Cracking Catalyst

Zeolitic Catalyst

Organosulfur Compounds

Mercapto Compounds

Dithiodiglycols

Passivating Agents

Sulfide Metathesis

Catalyst Composition

Heavy Metal Leaching

Stable Organic Compositions

Gallium Compounds

Isethionic Acid

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D389390 - Cigar-shaped letter opener with cover (1998-01-20),

2. 5358630 - Regenerating zeolitic cracking catalyst (1994-10-25),

3. 5202494 - Continuous process for the production of disulfides (1993-04-13),

4. 5053549 - Dodecyl hydroxymethyl sulfide (1991-10-01),

5. 5053530 - Preparation of isethionic acid with organic acid (1991-10-01),

6. 5008432 - Production of mercapto compounds (1991-04-16),

7. 4997988 - Oxa-organic sulfur compounds, their preparation and use (1991-03-05),

8. 4994624 - Process for preparing organothioalkanols (1991-02-19),

9. 4965236 - Process for producing a catalyst (1990-10-23),

10. 4964957 - Purification of high boiling alkyl sulfides (1990-10-23),

11. 4962169 - Oxa-organic sulfur compounds, their preparation and use (1990-10-09),

12. 4939302 - Process for preparing stable organic hydroxysulfide compositions (1990-07-03),

13. 4891444 - Oxa-organic sulfur compounds, their preparation and use (1990-01-02),

14. 4837192 - Catalyst composition (1989-06-06),

15. 4721813 - Method for the oxidation of mercaptoalkanols to dithiodiglycols (1988-01-26),

Title: Innovations and Contributions of John S. Roberts in Catalysis

Introduction: John S. Roberts, a prominent inventor based in Bartlesville, Oklahoma, has made significant contributions to the field of chemical engineering, particularly in catalysis. With a remarkable portfolio of 26 patents, his work has paved the way for advancements in various industrial processes.

Latest Patents: Among his latest innovations, Roberts holds a patent for a 'Regenerating Zeolitic Cracking Catalyst'. This invention presents a method to counteract the detrimental effects of contaminating metals on crystalline aluminosilicate catalysts by treating the catalyst with a reducing gas under specific conditions. A notable feature of this catalyst is the inclusion of antimony. Additionally, he has developed a 'Continuous Process for the Production of Disulfides', which outlines an effective process and apparatus for the ongoing production of disulfides through the reaction of mercaptans and oxygen, using suitable catalysts on a refractory support or specific copolymer.

Career Highlights: John S. Roberts is currently associated with Phillips Petroleum Company, a leader in the energy sector known for its innovative approaches to energy solutions. His extensive experience and dedication to research have made him a valuable asset to the company and the industry at large.

Collaborations: Throughout his career, Roberts has collaborated with talented individuals such as Brent J. Bertus and Dwight L. McKay. These partnerships have facilitated innovative research and the successful development of several impactful technologies.

Conclusion: John S. Roberts embodies the spirit of innovation and excellence within the chemical engineering community. His patents not only reflect his expertise but also contribute significantly to advancements in catalysis and industrial processes. As he continues to work at Phillips Petroleum Company, the impact of his research will likely resonate within the industry for years to come.

Profile summary based on public USPTO records.