Company Filing History:

9 out of 10,754

Basf Aktiengesellschaft

patents

2 out of 88

Badische Anilin- & Soda-fabrik Aktiengesellschaft

patents

Years Active: 1976-1982

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4359562 - Process for producing ethylene polymers and copolymers by means of a (1982-11-16),

2. 4330645 - Preparation of propylene homopolymers or copolymers (1982-05-18),

3. 4282334 - Manufacture of high impact and translucent styrene polymers (1981-08-04),

4. 4167545 - Branched block copolymers and their manufacture (1979-09-11),

5. 4086298 - Branched block copolymers and their manufacture (1978-04-25),

6. 4049590 - Manufacture of polyurethane compositions (1977-09-20),

7. 4029720 - Block or graft copolymers of polyalkylene oxides and vinylaromatic or (1977-06-14),

8. 4002703 - Graft copolymers based on methyl methacrylate polymers (1977-01-11),

9. 3988284 - Reinforced thermoplastics (1976-10-26),

10. 3978160 - Manufacture of low molecular weight block copolymers of vinyl or diene (1976-08-31),

11. 3933943 - Graft copolymers based on methyl methacrylate polymers (1976-01-20),

Title: The Innovative Contributions of Dieter Stein

Introduction

Dieter Stein is a notable inventor based in Limburgerhof, Germany. He has made significant contributions to the field of polymer chemistry, holding a total of 11 patents. His work primarily focuses on the processes for producing ethylene and propylene polymers, which have wide applications in various industries.

Latest Patents

Among his latest patents, one notable invention is a process for producing ethylene polymers and copolymers. This process involves polymerizing monomers using a supported catalyst that contains a chromium-hydrocarbon complex on an inorganic oxide carrier. The resulting polymers exhibit a particularly broad molecular weight distribution, which is advantageous for various applications. Another significant patent details a method for preparing propylene homopolymers or copolymers. This innovative process utilizes a centric stirred bed of finely divided polymer, allowing for effective heat removal during polymerization and precise temperature regulation.

Career Highlights

Dieter Stein has had a distinguished career, working with prominent companies such as BASF and Badische Anilin- & Soda-fabrik Aktiengesellschaft. His expertise in polymer production has contributed to advancements in the chemical industry, enhancing the efficiency and quality of polymer materials.

Collaborations

Throughout his career, Stein has collaborated with esteemed colleagues, including Gerhard Fahrbach and Erhard Seiler. These partnerships have fostered innovation and have played a crucial role in the development of his patented processes.

Conclusion

Dieter Stein's contributions to polymer chemistry through his innovative patents and collaborations have significantly impacted the industry. His work continues to influence the production of advanced materials, showcasing the importance of innovation in science and technology.

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