Company Filing History:

8 out of 10,754

Basf Aktiengesellschaft

Years Active: 1992-1998

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5837760 - Self-extinguishing thermoplastic polyurethanes and their preparation (1998-11-17),

2. 5654479 - 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their (1997-08-05),

3. 5621138 - 4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their (1997-04-15),

4. 5597942 - Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1997-01-28),

5. 5532414 - 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their (1996-07-02),

6. 5504241 - Carbodiimides and/or oligomeric polycarbodiimides based on (1996-04-02),

7. 5498747 - Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1996-03-12),

8. 5484827 - UV-stabilizer concentrates based on TPU, a process for their production (1996-01-16),

9. 5246993 - Oligomeric carbodiimides (1993-09-21),

10. 5162387 - Preparation of polyurethane elastomers, and mixtures suitable for this (1992-11-10),

Title: The Innovations of Friedhelm Lehrich

Introduction

Friedhelm Lehrich is a notable inventor based in Lemfoerde, Germany. He has made significant contributions to the field of materials science, particularly in the development of flame-retardant materials. With a total of 10 patents to his name, Lehrich's work has had a considerable impact on various industries.

Latest Patents

Among his latest patents is the invention of self-extinguishing thermoplastic polyurethanes. These materials incorporate flameproofing agents, such as organic phosphates and phosphonates, often combined with melamine derivatives. Another significant patent involves 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, which serve as stabilizers against hydrolytic degradation in polyaddition and polycondensation products containing ester groups. This innovation also includes novel isocyanates that can be utilized in their preparation.

Career Highlights

Friedhelm Lehrich has worked with prominent companies in the chemical industry, including BASF Aktiengesellschaft and Elastogran GmbH. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in polymer chemistry.

Collaborations

Throughout his career, Lehrich has collaborated with esteemed colleagues such as Roland Minges and Siegmund Pohl. These partnerships have fostered a creative environment that has led to innovative solutions in material science.

Conclusion

Friedhelm Lehrich's contributions to the field of materials science, particularly through his patents and collaborations, highlight his role as a significant inventor. His work continues to influence the development of advanced materials that enhance safety and performance in various applications.

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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.