Company Filing History:
Years Active: 1993-2016
Title: Bertha Croitoru: Innovator in Polymer Chemistry
Introduction
Bertha Croitoru is a distinguished inventor based in Beer-Sheva, Israel. She has made significant contributions to the field of polymer chemistry, holding a total of four patents. Her innovative work focuses on the development of specialized polymers with unique properties.
Latest Patents
Among her latest patents is the invention of Poly (pentabromobenzyl acrylate) with specific properties. This polymer has a weight average molecular weight (Mw) ranging from 4,000 to 120,000 and a polydispersity index of less than 10, as determined by high-temperature gel permeation chromatography. Notably, the glass transition temperature of this polymer does not exceed 150°C. Additionally, the poly (pentabromobenzyl acrylate) includes chains terminated by an end group derived from a chain length regulator, specifically a thiol group —SR, where R is a linear or branched alkyl group containing no less than eight carbon atoms. Another significant patent involves a process for electrophilic aromatic substitution, which discloses methods for the electrophilic substitution of aromatic compounds, such as alkylation, with a desired substituent. This process includes contacting the aromatic compound, a precursor of the desired substituent, and an aqueous reagent containing zinc halide at elevated temperatures above 50°C.
Career Highlights
Bertha Croitoru is currently employed at Bromine Compounds Limited, where she continues to advance her research and development efforts in polymer chemistry. Her work has garnered attention for its innovative approach and practical applications in various industries.
Collaborations
Some of her notable coworkers include Ariel A Ewenson and Asher Shushan, who contribute to her research endeavors and collaborative projects.
Conclusion
Bertha Croitoru stands out as a prominent figure in the field of polymer chemistry, with her patents reflecting her innovative spirit and dedication to advancing technology. Her contributions continue to influence the industry and inspire future research.