Company Filing History:

12 out of 12,157

Bayer Aktiengesellschaft

Years Active: 1976-1981

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4278759 - Process of preparing photographic silver halide emulsion (1981-07-14),

2. 4228249 - Segmented polyurethane resins (1980-10-14),

3. 4186257 - Process for the preparation of new segmented polyurethane resins derived (1980-01-29),

4. 4152510 - Polyurethane elastomers and a process for their production (1979-05-01),

5. 4143220 - Polyurethanes prepared with novel Mannich bases (1979-03-06),

6. 4105600 - Nitrogen containing chemical compounds and a process for making (1978-08-08),

7. 4016143 - Polyurethanes based on aromatic polyamines (1977-04-05),

8. 4007239 - Aromatic diamines (1977-02-08),

9. 3991023 - Polyurethanes wherein the chain-lengthening agents are benzoic ester (1976-11-09),

10. 3978125 - Chemical compounds and a process for making polyurethanes with the new (1976-08-31),

11. 3975428 - Aromatic amines formed by the reaction of isatoic acid anhydride with (1976-08-17),

12. 3963800 - Thermoplastically processable elastomeric copolyester (1976-06-15),

13. 3954716 - Process for the preparation of polyesters (1976-05-04),

Title: Erwin Muller: A Pioneer in Photographic and Polymer Innovations

Introduction

Erwin Muller is a distinguished inventor based in Leverkusen, Germany. He has made significant contributions to the fields of photography and polymer science, holding a total of 13 patents. His innovative work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is related to the process of preparing photographic silver halide emulsion. This invention involves a homo- or copolymer that serves as a valuable peptizing agent for the precipitation of silver halide. The sensitivity, onset of development, and silver covering power are advantageously influenced by this process. Another notable patent is for segmented polyurethane resins. This invention pertains to new high molecular weight polyurethanes that contain a minimal amount of urethane and urea groups. These synthetic resins are structured as block copolymers and consist of relatively high molecular weight segments derived from both high melting and low melting polyols, linked through ester and/or urethane and/or urea groups.

Career Highlights

Throughout his career, Erwin Muller has worked with prominent companies such as Bayer Aktiengesellschaft and Agfa-Gevaert AG. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in both photography and polymer technology.

Collaborations

Erwin Muller has collaborated with notable coworkers, including Johannes Blahak and Roland Gipp. These partnerships have fostered a creative environment that has led to groundbreaking inventions and patents.

Conclusion

Erwin Muller is a remarkable inventor whose work has significantly influenced the fields of photography and polymer science. His numerous patents and collaborations highlight his dedication to innovation and excellence in his field.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.