Company Filing History:
1 out of 2 
1 out of 328 
Years Active: 1997-2001
Title: Helen Mary Anstice: Innovator in Polymerizable Cement Compositions
Introduction
Helen Mary Anstice is a notable inventor based in London, GB. She has made significant contributions to the field of dental and biomedical materials through her innovative work. With a total of 2 patents, her inventions focus on enhancing the properties and applications of cement compositions.
Latest Patents
Anstice's latest patents include a polymerizable cement composition designed for dental and biomedical uses. This composition comprises a mixture of polymerizable monomer materials, including between 5 and 95% by weight tetrahydrofurfuryl methacrylate (THFMA) and at least 5% by weight of a secondary monomer, preferably a dimethacrylate. The active filler material, ideally powdered fluoroaluminosilicate glass, is capable of undergoing an acid-base reaction in the presence of water with acid or acid derivative groups in the composition. The invention also covers a method of preparing a polymerizable cement and a method of dental treatment. Anstice's work with THFMA offers several advantages, including low shrinkage on polymerization, good biological acceptability, and beneficial water uptake properties compared to other monomer systems.
Career Highlights
Throughout her career, Anstice has worked with reputable companies such as Davis, Schottlander & Davis Ltd and British Technology Group Limited. Her experience in these organizations has contributed to her expertise in developing innovative materials for dental applications.
Collaborations
Anstice has collaborated with notable individuals in her field, including Wydchaya Kanchanavasita and Gavin John Pearson. These collaborations have further enriched her work and expanded the impact of her inventions.
Conclusion
Helen Mary Anstice is a pioneering inventor whose work in polymerizable cement compositions has advanced the fields of dental and biomedical materials. Her contributions continue to influence the industry and improve treatment options for patients.