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For the Inventor, By the Inventor

Bartlesville, OK, United States of America

Donald J Makovec

This inventor holds 12 USPTO granted patents, plus 1 CIPO patent. Top assignee: Phillips Petroleum Company. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald J Makovec. Retrieved from https://idiyas.com/inventor/donald-j-makovec

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

USPTO Granted Patents = 12

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 128(Granted Patents)


Company Filing History:

goldMedal12 out of 5,071 
 
Phillips Petroleum Company
 patents

Years Active: 1977-1993

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12 patents (USPTO):Explore Patents
1. 5237115 - Integrated olefin processing (1993-08-17),
2. 4383977 - Catalytic alkylation apparatus with hydrocarbon recycle (1983-05-17),
3. 4320233 - Dialkyl ether production (1982-03-16),
4. 4317795 - Catalytic alkylation of hydrocarbons (1982-03-02),
5. 4290110 - Temperature control for a reactor (1981-09-15),
6. 4276439 - Catalytic alkylation method and apparatus with hydrocarbon recycle (1981-06-30),
7. 4214115 - Alkylation process utilizing plural olefinic reactants (1980-07-22),
8. 4207423 - Acid type hydrocarbon alkylation with acid-soluble oil addition (1980-06-10),
9. 4205196 - Acid-type hydrocarbon alkylation with acid recycle streams at spaced (1980-05-27),
10. 4179475 - Olefin feed in HF alkylation of isoparaffin with olefin (1979-12-18),
11. 4161497 - HF alkylation introducing separate olefins in vertically extended reactor (1979-07-17),
12. 4056577 - Separation of acid-hydrocarbon emulsions and alkylation process (1977-11-01),

Title: The Innovative Contributions of Donald J. Makovec

Introduction

Donald J. Makovec is a prominent inventor based in Bartlesville, OK (US), known for his significant contributions to the field of chemical engineering. With a total of 12 patents to his name, he has made remarkable advancements in the processing of olefins and paraffins, which are crucial in the production of high-octane gasoline blending components.

Latest Patents

Among his latest patents is the "Integrated Olefin Processing," which presents a novel scheme for processing olefins and paraffins. This integrated process involves the dehydrogenation of paraffin compounds to olefin compounds, followed by hydroisomerization to produce hydroisomerate streams that are etherified. The olefin compounds that are not etherified proceed to an alkylation process, where they are combined with branched-chain paraffin compounds to create an alkylate product. Another notable patent is the "Catalytic Alkylation Apparatus with Hydrocarbon Recycle." This apparatus facilitates the catalytic alkylation of isoparaffins with olefins, utilizing a liquid catalyst such as hydrofluoric acid. The design includes a vertical reaction vessel, a settling vessel, and a cooling system to enhance the efficiency of the alkylation process.

Career Highlights

Donald J. Makovec has spent a significant portion of his career at Phillips Petroleum Company, where he has been instrumental in developing innovative processes that enhance the efficiency of hydrocarbon processing. His work has not only contributed to the company's success but has also had a lasting impact on the industry as a whole.

Collaborations

Throughout his career, Makovec has collaborated with notable colleagues, including Thomas Hutson, Jr. and Donald M. Haskell. These collaborations have fostered an environment of innovation and have led to the development of groundbreaking technologies in the field.

Conclusion

Donald J. Makovec's contributions to the field of chemical engineering and his innovative patents have significantly advanced the processing of hydrocarbons. His work continues to influence the industry, showcasing the importance of innovation in driving progress.

Profile summary based on public USPTO records.
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]
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