Renate Hempel

This inventor holds 15 USPTO granted patents and 1 published patent application and 8 EPO patents. Top assignees: Basf Aktiengesellschaft, Basf Se Corporation, Josef Meissner Gmbh & Co. Kg. Active years: 1997-2020.

USPTO Granted Patents = 15 (Patent Applications = 1)

% Patents Active = 86.7

EPO Patents = 8 (Patent Applications = 7)

Average Co-Inventor Count = 5.1

ph-index = 5

Forward Citations = 74(Granted Patents)

Location History:

Schwarzheide, DE (1997)
Ruhland, DE (1999 - 2020)

Company Filing History:

9 out of 10,816

Basf Aktiengesellschaft

Josef Meissner Gmbh & Co. Kg

patents

where one patent can have more than one assignee

Years Active: 1997-2020

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10538478 - Catalyst modification with alkali metal, alkaline earth metal or rare earth metal ions in the continuous liquid-phase hydrogenation of nitro compounds (2020-01-21),

2. 9688606 - Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid (2017-06-27),

3. 9630866 - [object Object] (2017-04-25),

4. 9428441 - Method for removing HCN from crude dinitro toluene (2016-08-30),

5. 9249083 - Process for scrubbing dinitrotoluene (2016-02-02),

6. 8529771 - Acidic sludge adsorption of DNT wastewaters (2013-09-10),

7. 6495652 - Prepolymers containing isocyanate groups and a method for the production thereof (2002-12-17),

8. 6284812 - Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivity (2001-09-04),

9. 6274642 - Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate (2001-08-14),

10. 6063824 - Microcellular urea-containing polyurethane elastomer (2000-05-16),

11. 6037383 - Microcellular polyurethane elastomer containing urea groups (2000-03-14),

12. 5916480 - Storage-stable emulsions for producing fine-celled rigid foams based on (1999-06-29),

13. 5895792 - Production of rigid polyurethane foams (1999-04-20),

14. 5684092 - Production of rigid foams based on isocyanate (1997-11-04),

15. 5624969 - Production of rigid foams based on isocyanate (1997-04-29),

Title: Renate Hempel: Innovator in Chemical Processes

Introduction

Renate Hempel is a distinguished inventor based in Ruhland, Germany. She has made significant contributions to the field of chemical engineering, particularly in the area of hydrogenation processes and scrubbing techniques. With a total of 15 patents to her name, Hempel's work has had a profound impact on industrial applications.

Latest Patents

Among her latest patents is a groundbreaking process for the continuous hydrogenation of nitro compounds. This invention involves a liquid reaction mixture that includes a supported catalyst and specific salts, enabling efficient conversion of nitro compounds to corresponding amines. Another notable patent addresses the acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid. This process outlines a two-step scrubbing method that effectively removes hazardous substances from crude mixtures obtained during the nitration of toluene.

Career Highlights

Renate Hempel has worked with prominent companies such as BASF Aktiengesellschaft and BASF SE Corporation. Her experience in these organizations has allowed her to develop and refine her innovative processes, contributing to advancements in chemical manufacturing.

Collaborations

Throughout her career, Hempel has collaborated with esteemed colleagues, including Udo Rotermund and Holger Seifert. These partnerships have fostered a collaborative environment that has led to the successful development of her patented technologies.

Conclusion

Renate Hempel's contributions to chemical engineering exemplify the spirit of innovation. Her patents and collaborative efforts continue to influence the industry, showcasing her dedication to advancing chemical processes.