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For the Inventor, By the Inventor

Odenthal, Germany

Hans-Walter Brandt

This inventor holds 7 USPTO granted patents. Top assignees: Bayer Aktiengesellschaft, Ec Erdolchemie Gmbh. Active years: 1978-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Walter Brandt. Retrieved from https://idiyas.com/inventor/hans-walter-brandt

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 63(Granted Patents)


Location History:

  • Unter-Odenthal, DE (1979)
  • Odenthal, DE (1978 - 1989)

Company Filing History:

goldMedal7 out of 12,268 
 
Bayer Aktiengesellschaft
 patents
silverMedal1 out of 33 
 
Ec Erdolchemie Gmbh
 patents
where one patent can have more than one assignee

Years Active: 1978-1989

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7 patents (USPTO):Explore Patents
1. 4874473 - Separation of diastereomers by extractive distillation (1989-10-17),
2. 4732685 - Method of liquid-liquid extraction using material exchange columns (1988-03-22),
3. 4349416 - Process and device for the separation of mixtures which form an azeotrope (1982-09-14),
4. 4180438 - Process for the preparation of sump product (1979-12-25),
5. 4165644 - Apparatus for introducing samples into high pressure gas chromatographs (1979-08-28),
6. 4141799 - Process for the purification of high-melting organic products (1979-02-27),
7. 4090922 - Carrier-vapor distillation (1978-05-23),

Title: The Innovations of Hans-Walter Brandt

Introduction

Hans-Walter Brandt is a notable inventor based in Odenthal, Germany. He has made significant contributions to the field of chemical engineering, particularly in the separation of diastereomers and liquid-liquid extraction methods. With a total of 7 patents to his name, Brandt's work has had a considerable impact on industrial processes.

Latest Patents

One of Brandt's latest patents is focused on the "Separation of diastereomers by extractive distillation." This innovative process allows for the effective separation of diastereomers, characterized by the addition of an auxiliary that alters the partial pressure of the diastereomers during distillation. This method has proven successful in isolating 99% pure products, such as diastereomic cis/trans-permetric acid methyl esters and mixtures of menthol and isomenthol. Another significant patent is the "Method of liquid-liquid extraction using material exchange columns." This method utilizes a material exchange column with ordered packing, which enhances the separation capacity and throughput of the extraction process.

Career Highlights

Throughout his career, Hans-Walter Brandt has worked with prominent companies, including Bayer Aktiengesellschaft and Ec Erdolchemie GmbH. His experience in these organizations has contributed to his expertise in chemical processes and innovations.

Collaborations

Brandt has collaborated with notable colleagues, including Jurgen Schroter and Heinrich Steude. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Hans-Walter Brandt's contributions to chemical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing industrial processes. His work continues to influence the field and showcases the importance of innovation in science and technology.

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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