Philip D Dalsin

Title: The Innovative Contributions of Philip D Dalsin

Introduction

Philip D Dalsin is a notable inventor based in Carlsbad, California, recognized for his significant contributions to the field of ophthalmic lens technology. With a total of five patents to his name, Dalsin has made remarkable advancements in the production of high index ophthalmic lenses.

Latest Patents

Dalsin's latest patents include the production of photopolymerized polyester high index ophthalmic lenses. This innovation involves unsaturated polyester resin-based compositions that are modified to enhance the speed of manufacture while maintaining uniform, low optical distortion. The addition of at least one photoinitiator, which is active at wavelengths above about 380 nm, allows for the inclusion of a UV-absorbing compound in the polyester lens composition. The photocuring process is designed to achieve gelation in about seven minutes or less, utilizing a light intensity of at least 300 microwatts/cm². Another significant patent focuses on polyester resin-based high index ophthalmic lenses that improve optical distortion and tint speed through the addition of specific additives and an exotherm depressant, making the modified composition commercially viable for casting ophthalmic lenses.

Career Highlights

Throughout his career, Dalsin has worked with prominent companies such as Signet Armorlite, Inc. and Nalco Chemical Company. His experience in these organizations has contributed to his expertise in developing innovative lens technologies.

Collaborations

Dalsin has collaborated with notable professionals in the field, including Thomas J Engardio and Dae Ki Kang. These partnerships have likely played a role in enhancing the quality and effectiveness of his inventions.

Conclusion

Philip D Dalsin's contributions to ophthalmic lens technology through his innovative patents and collaborations highlight his significant impact on the industry. His work continues to influence advancements in lens manufacturing and design.