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For the Inventor, By the Inventor

Ronnenberg, Germany

Hans Buchwald

This inventor holds 25 USPTO granted patents, primarily in Fluorinated Compositions. Top assignees: Kali-Chemie Aktiengesellschaft, Solvay Fluor Und Derivate Gmbh, Solvay (Societe Anonyme). Active years: 1985-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Buchwald. Retrieved from https://idiyas.com/inventor/hans-buchwald

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

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 115(Granted Patents)


Location History:

  • Hanover, DE (1985 - 1988)
  • Ronnenberg, DE (1990 - 2000)

Company Filing History:

goldMedal16 out of 102 
 
Kali-Chemie Aktiengesellschaft
 patents
silverMedal8 out of 77 
 
Solvay Fluor Und Derivate Gmbh
 patents
bronzeMedal2 out of 382 
 
Solvay (Societe Anonyme)
 patents
where one patent can have more than one assignee

Years Active: 1985-2000

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Areas of Expertise:
Refrigerant
Cleaning Compositions
Difluoromethoxy
Trifluoroethane
Chlorine-Free
Dichloropentafluoropropane
Hydrogen-Containing
Fluorochlorohydrocarbons
Isoflurane
Fluorinated Compounds
Solvent Mixture
Abrasive Working
25 patents (USPTO):Explore Patents
1. 6054064 - Refrigerant of 1,1-difluoroethylene (2000-04-25),
2. 5888688 - Difluoromethoxy-2, 2, 2-trifluoroethane compositions and methods of use (1999-03-30),
3. 5674825 - Difluoromethoxy-2,2,2-trifluoroethane compositions and methods of use (1997-10-07),
4. 5529618 - Compositions comprising difluoromethoxy-2,2,2-trifluoroethane (1996-06-25),
5. 5476603 - Compositions comprising chlorine-free, optionally hydrogen-containing (1995-12-19),
6. 5429760 - Refrigerant composition containing trifluoromethane and (1995-07-04),
7. 5399281 - Composition with hydrogen-containing fluorochlorohydrocarbons (1995-03-21),
8. 5393442 - Compositions containing 1-chloro-2,2,2-trifluoroethyl defluoromethyl (1995-02-28),
9. 5336429 - Virtually constant boiling point compositions based on isoflurane (1994-08-09),
10. 5304321 - Cleaning compositions, formed of hydrogen-containing (1994-04-19),
11. 5300253 - 1-chloro-2,2,2-trifluoroethyl difluoromethyl ether compositions for (1994-04-05),
12. 5271861 - Fluorochlorohydrocarbon-free cleaning compositions (1993-12-21),
13. 5246618 - Cleaning compositions (containing fluorochlorocarbon, C.sub.1 to C.sub.4 (1993-09-21),
14. 5135676 - Cleaning compositions formed of hydrogen-containing (1992-08-04),
15. 5120462 - Dichloropentafluoropropanes and acetone compositions (1992-06-09),

Title: Innovations by Hans Buchwald in Refrigerant Technology

Introduction

Hans Buchwald is a notable inventor hailing from Ronnenberg, Germany. With an impressive portfolio of 25 patents, he has made significant contributions to the field of refrigerant technology. His innovative approaches have paved the way for advancements in various applications, particularly within the realm of printing and copying technologies.

Latest Patents

Among his latest inventions, Buchwald has focused on the refrigerant 1,1-difluoroethylene and difluoromethoxy-2,2,2-trifluoroethane compositions. His patent discusses new uses for difluoromethoxy-2,2,2-trifluoroethane (E245) and compositions containing this compound, along with additional solvents. A key aspect of his work revolves around a process that utilizes E245 to fix toner on recording materials in printing and copying devices, showcasing the practical application of his innovative formulations.

Career Highlights

Throughout his career, Hans Buchwald has played essential roles in various organizations, including Kali-Chemie Aktiengesellschaft and Solvay Fluor und Derivate GmbH. His tenure at these companies has equipped him with valuable experience in developing and refining refrigerant products, further solidifying his status as an expert in this field.

Collaborations

Buchwald has collaborated with notable colleagues such as Boleslaus Raszkowski and Boleslaus Raschkowski, contributing to a shared vision of innovative solutions and advancements in technology. These collaborations have sparked creativity and led to the successful development of patents that address critical technological challenges.

Conclusion

Hans Buchwald's work exemplifies the spirit of innovation within the refrigerant industry. His patents not only contribute to scientific advancements but also facilitate practical applications that enhance everyday technologies. As a dedicated inventor, Buchwald continues to inspire future generations of innovators.

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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