Stefan Weiss

This inventor holds 17 USPTO granted patents. Top assignees: Skw Trostberg Aktiengesellschaft, Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft. Active years: 1976-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Weiss. Retrieved from https://idiyas.com/inventor/stefan-weiss-nr3ch580

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 53(Granted Patents)

Location History:

Sonnenleite, DE (1999)
Trostberg, DE (1976 - 2002)

Company Filing History:

15 out of 153

Skw Trostberg Aktiengesellschaft

patents

2 out of 13

Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft

patents

Years Active: 1976-2002

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6342631 - Method of producing calcium pyruvates (2002-01-29),

2. 6342600 - Process for preparing 2-methoxy-4-methyl-6-methylamino-1,3,5-triazine (2002-01-29),

3. 6172111 - Creatine pyruvates and a method of producing them (2001-01-09),

4. 6166249 - Creatine pyruvates (2000-12-26),

5. 5962734 - Method of producing calcium pyruvates (1999-10-05),

6. 5863939 - Creatine ascorbates and a method of producing them (1999-01-26),

7. 5719319 - Process for the preparation of a creatine or creatine monohydrate (1998-02-17),

8. 5708182 - Method for preparation of 2-imino 4-oxo-5-phenyloxazolidine (1998-01-13),

9. 5705666 - Process for the preparation of crystalline O-isopropylisourea (1998-01-06),

10. 5463055 - Process for the production of 2-ethoxy-4,6-dihydroxypyrimidine or its (1995-10-31),

11. 5208351 - Process for the preparation of N-cyanoimidocarbonates (1993-05-04),

12. 5034096 - Process for bleaching and delignifying cellulose-containing products (1991-07-23),

13. 4956503 - Process for the preparation of N-cyanoethanimidic acid esters (1990-09-11),

14. 4587337 - Process for the preparation of 2-amino-s-triazines (1986-05-06),

15. 4477421 - Process for the stabilization of aqueous cyanamide solutions (1984-10-16),

Title: The Innovative Journey of Inventor Stefan Weiss

Introduction

Stefan Weiss, an accomplished inventor based in Trostberg, Germany, has made significant contributions to the field of chemistry with a remarkable portfolio of 17 patents. His innovative ideas and practical applications have positioned him as a notable figure in the scientific community.

Latest Patents

Among his recent contributions, two notable patents stand out:

1. **Process for preparing 2-methoxy-4-methyl-6-methylamino-1,3,5-triazine** - This patent presents a novel and useful method for synthesizing the compound through a two-step process that involves reacting zinc bis(imino-bis-carbimic acid methyl ester) with acetic anhydride, followed by a reaction with methylamine.

2. **Method of producing calcium pyruvates** - This patent outlines a method for producing high-purity calcium pyruvates by reacting calcium salts of organic acids with pyruvic acid at controlled temperatures. The resulting compounds are noted for their long shelf life and reduced water content.

Career Highlights

Stefan Weiss has had an impressive career, working with prominent companies such as SKW Trostberg Aktiengesellschaft and Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft. His expertise in chemical processes and synthesis has greatly influenced the projects he has worked on, showcasing his dedication to advancing chemical technologies.

Collaborations

Throughout his career, Weiss has collaborated with esteemed colleagues like Ivo Pischel and Helmut Krommer. These partnerships have fostered a creative and innovative environment, leading to significant advancements in their respective fields.

Conclusion

Stefan Weiss's contributions to patenting innovative processes reflect his commitment to scientific progress. With a strong foundation in chemistry and collaboration with industry leaders, he continues to inspire future generations of inventors and innovators. His work exemplifies the vital role of patents in promoting technological advancements and protecting intellectual property.

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]