Company Filing History:

28 out of 12,157

Bayer Aktiengesellschaft

where one patent can have more than one assignee

Years Active: 1984-1997

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28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5612398 - Radiation-resistant polycarbonates (1997-03-18),

2. 5464893 - Radiation-resistant polycarbonates (1995-11-07),

3. 5382605 - Polycondensates which can be sterilized by .gamma.-radiation (1995-01-17),

4. 5376715 - Heat stabilization or aromatic polycarbonates (1994-12-27),

5. 5356965 - Flame-resistant polycarbonate molding compositions (1994-10-18),

6. 5308558 - Process for foaming thermoplastic polycarbonates (1994-05-03),

7. 5234982 - Ternary mixtures (1993-08-10),

8. 5202374 - Ternary mixtures (1993-04-13),

9. 5158985 - Polycarbonate foam articles (1992-10-27),

10. 5132331 - Polycarbonate foams (1992-07-21),

11. 5036151 - Mold releasel agents for poly(ester) carbonates (1991-07-30),

12. 5004569 - Process for the production of carboxylic acid esters (1991-04-02),

13. 4797435 - Use of 3-benzalphthalides as UV stabilizers for thermoplastic, aromatic (1989-01-10),

14. 4776981 - Flameproofing agents, their preparation and their use for providing (1988-10-11),

15. 4774273 - Perfluoroalkanesulphonic acid aryl esters as anti-drip agents in (1988-09-27),

Title: Klaus Kircher: Innovator in Radiation-Resistant Polycarbonates

Introduction

Klaus Kircher is a prominent inventor located in Leverkusen, Germany, recognized for his significant contributions in the field of polymers and materials science. With a total of 28 patents to his name, Kircher has focused on innovations that enhance the safety and functionality of medical equipment, particularly through the use of radiation-resistant materials.

Latest Patents

Among Klaus Kircher's latest innovations are patents for radiation-resistant polycarbonates. These inventions provide polycarbonates that are stabilized against gamma-radiation, making them applicable for the production of medical equipment. The thermoplastic molding composition disclosed in these patents includes an aromatic polycarbonate combined with either dialkyl and/or dicycloalkyl monosulfides or polysulfides, and optionally aliphatic or cycloaliphatic alcohols or their derivatives. This formulation is designed to improve the durability and safety of medical devices exposed to radiation.

Career Highlights

Throughout his career, Klaus Kircher has worked for notable companies, including Bayer Aktiengesellschaft and Miles Inc. At Bayer, he has been part of ground-breaking research that aimed to improve the properties and applications of synthetic materials. His work in the field has been instrumental in advancing medical technologies, particularly where radiation is a concern.

Collaborations

During his tenure in the industry, Klaus collaborated with esteemed colleagues such as Hans-Jurgen Kress and Klaus Horn. These partnerships have allowed for the cross-pollination of ideas and innovations, contributing to the development and refinement of radiation-resistant materials.

Conclusion

Klaus Kircher's contributions to the field of polycarbonates and medical technology hold substantial significance. With an impressive portfolio of patents and a collaborative spirit, Kircher continues to shape the industry with his innovative spirit and scientific expertise. His work not only enhances the safety of medical equipment but also paves the way for future advancements in materials science.

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