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For the Inventor, By the Inventor

Houston, TX, United States of America

Ralph O Kerr

This inventor holds 15 USPTO granted patents. Top assignees: Denka Chemical Corporation, Petro-Tex Chemical Corporation. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralph O Kerr. Retrieved from https://idiyas.com/inventor/ralph-o-kerr

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 8

Forward Citations = 187(Granted Patents)


Company Filing History:

goldMedal9 out of 31 
 
Denka Chemical Corporation
 patents
silverMedal6 out of 74 
 
Petro-Tex Chemical Corporation
 patents

Years Active: 1976-1980

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15 patents (USPTO):Explore Patents
1. 4202826 - Process for preparing anhydride from alkanes (1980-05-13),
2. 4167516 - Preparation of dicarboxylic anhydrides (1979-09-11),
3. 4152339 - Process for preparing maleic anhydride from C.sub.4 hydrocarbons (1979-05-01),
4. 4152338 - Process of preparing anhydrides from alkanes (1979-05-01),
5. 4123388 - Catalyst and process for preparing maleic anhydride from C.sub.4 (1978-10-31),
6. 4105586 - Oxidation catalysts and process for preparing anhydride from alkanes (1978-08-08),
7. 4097498 - Process for preparing maleic anhydride from C.sub.4 hydrocarbons (1978-06-27),
8. 4081460 - Process for the vapor phase oxidation of benzene to maleic anhydrides (1978-03-28),
9. 4071539 - Process for preparing maleic anhydride from C.sub.4 hydrocarbons (1978-01-31),
10. 4056487 - Vanadium phosphorus oxygen oxidation catalysts useful for preparing (1977-11-01),
11. 4049574 - Catalyst and process for preparing maleic anhydride from C.sub.4 (1977-09-20),
12. 4018709 - Catalyst for preparing maleic anhydride from C.sub.4 hydrocarbons (1977-04-19),
13. 4016105 - Catalyst preparative method (1977-04-05),
14. 4006168 - Catalyst treatment (1977-02-01),
15. 3980585 - Catalyst and process for preparing maleic anhydride from C.sub.4 (1976-09-14),

Title: Ralph O Kerr: Innovator in Chemical Processes

Introduction

Ralph O Kerr is a notable inventor based in Houston, Texas, recognized for his significant contributions to the field of chemical engineering. With a total of 15 patents to his name, he has made substantial advancements in the processes of preparing anhydrides from alkanes.

Latest Patents

Among his latest patents is a process for preparing anhydride from alkanes. This innovative catalyst complex is useful for the partial oxidation of alkanes to the corresponding anhydrides, specifically converting normal C4 hydrocarbons to maleic anhydride in vapor phase. The catalyst comprises components such as vanadium, phosphorus, oxygen, niobium, copper, molybdenum, nickel, cobalt, and chromium. Preferred compositions also include one or more of cerium, neodymium, barium, hafnium, uranium, ruthenium, rhenium, lithium, or magnesium. Another significant patent involves the preparation of dicarboxylic anhydrides, utilizing a similar catalyst complex for the partial oxidation of alkanes.

Career Highlights

Ralph O Kerr has worked with prominent companies in the chemical industry, including Denka Chemical Corporation and Petro-Tex Chemical Corporation. His work has focused on developing innovative processes that enhance the efficiency and effectiveness of chemical production.

Collaborations

Throughout his career, Kerr has collaborated with notable professionals in the field, including Bruno J Barone and Gabe W Strybos, Jr. These collaborations have contributed to the advancement of chemical engineering practices and innovations.

Conclusion

Ralph O Kerr's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a significant innovator. His work continues to influence the industry and pave the way for future advancements in chemical processes.

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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