Company Filing History:
Years Active: 1991
Title: Inventor Ella D Openstone: Innovating Stain Resistance
Introduction
Ella D Openstone, located in Wilmington, DE, is a prominent inventor recognized for her contributions to textile chemistry. As an inventor at E.I. Dupont De Nemours and Company, she has significantly impacted the field through her innovative processes.
Latest Patents
Openstone holds a patent for a "Process for imparting stain-resist agent." This invention describes a method for applying stain resistance to polyamide substrates using continuous processes such as those that involve Fluidyer™ apparatus or Flexnip™ applicators. Her patented process involves a unique stain-resist composition, which combines a hydrolyzed copolymer of maleic anhydride with ethylenically unsaturated aromatic monomers along with a sulfonated phenol-formaldehyde condensation product. This composition is applied at a pH between about 1.5 and 3.0 in the presence of an anionic surfactant, either in the form of an alkyl aryl sulfonic acid or an alkyl aryl sulfonate salt.
Career Highlights
Ella D Openstone's career at E.I. Dupont De Nemours and Company has been marked by a commitment to innovation in textile treatment processes. Her patent has advanced the capability of fabric manufacturers to produce more durable and stain-resistant materials, elevating product performance in various applications.
Collaborations
Throughout her career, Openstone has collaborated with notable colleagues including Patrick H Fitzgerald and Joyce Monson Materniak. These collaborations have fostered an environment of shared knowledge and expertise, leading to significant advancements in her field of work.
Conclusion
Ella D Openstone's dedication to innovation has resulted in her notable patent that enhances the stain resistance of polyamide substrates. Her work at E.I. Dupont De Nemours and Company continues to influence the textile industry, showcasing her as a leading inventor in the field.