This inventor holds 12 USPTO granted patents, plus 2 CIPO patents. Top assignees: Ciba-Geigy Corporation, Ciba Specialty Chemicals Corporation. Active years: 1991-1999.
Company Filing History:
11 out of 6,858 
1 out of 1,524 
Years Active: 1991-1999
Title: The Innovative Contributions of Andrew Mar
Introduction
Andrew Mar is a notable inventor based in Norwalk, CT (US), recognized for his significant contributions to the field of photoimage quality enhancement. With a total of 12 patents to his name, Mar has made strides in developing methods and materials that improve the quality and durability of photoimages.
Latest Patents
Among his latest patents is a method for improving photoimage quality. This invention pertains to a technique that enhances the quality and resolution of photoimages by incorporating a selected amount of a polymerization inhibitor into the photocurable resin composition. This method ensures that photopolymerization of the resin is inhibited in areas not directly exposed to light. Another significant patent involves non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymers. This invention describes 1-hydrocarbyloxy substituted hindered amine compounds that contain a reactive functional group, allowing them to be chemically attached to selected polymer substrates. This results in polymers that have a chemically-bonded, non-migrating stabilizer, which effectively protects the polymer substrate from the adverse effects of actinic light.
Career Highlights
Throughout his career, Andrew Mar has worked with prominent companies such as Ciba-Geigy Corporation and Ciba Specialty Chemicals Corporation. His work in these organizations has contributed to advancements in chemical engineering and materials science.
Collaborations
Mar has collaborated with notable professionals in his field, including Peter J. Schirmann and Ramanathan Ravichandran. These collaborations have further enriched his innovative endeavors and expanded the impact of his inventions.
Conclusion
Andrew Mar's contributions to the field of photoimage quality enhancement through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in materials science and chemical engineering.