This inventor holds 3 USPTO granted patents. Top assignees: Chemische Werke Huels Aktiengesellschaft, Chemische Werke Huls Aktiengesellschaft, Starchem, Inc.. Active years: 1976-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 125 
1 out of 283 
1 out of 9 Years Active: 1976-1993
Title: Sigrid Scholz-Weigl: Innovator in Polymer Chemistry
Introduction
Sigrid Scholz-Weigl is a prominent inventor based in Marl, Germany. She has made significant contributions to the field of polymer chemistry, particularly in the development of water-swellable polysaccharide graft polymers. With a total of 3 patents, her work has advanced the understanding and application of polymerization processes.
Latest Patents
One of her latest patents involves a process for the preparation of finely divided, water-swellable polysaccharide graft polymers. This innovative method utilizes semi-continuous reverse-phase suspension polymerization, followed by partial dewatering and crosslinking. During the polymerization, an aqueous solution of at least partially neutralized, olefinically unsaturated carboxylic acid is added to a suspension of polysaccharide in a nonpolar organic solvent. The viscosity of the reaction medium is effectively reduced by incorporating amphoteric ammonium compounds or quaternary imidazolinium salts.
Another notable patent focuses on the use of N-oxalkylated derivatives of aniline as polymer-dissolving agents. This invention highlights the versatility of aniline derivatives in enhancing polymer solubility, which is crucial for various applications in the industry.
Career Highlights
Sigrid has worked with several reputable companies throughout her career, including Starchem, Inc. and Chemische Werke Huls Aktiengesellschaft. Her experience in these organizations has allowed her to refine her expertise in polymer chemistry and contribute to innovative projects.
Collaborations
Sigrid has collaborated with notable professionals in her field, including Klaus Heidel and Ferdinand Von Praun. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in polymer research.
Conclusion
Sigrid Scholz-Weigl's contributions to polymer chemistry through her patents and collaborations demonstrate her commitment to innovation in the field. Her work continues to influence the development of new materials and processes, solidifying her reputation as a leading inventor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile