This inventor holds 3 USPTO granted patents. Top assignees: Dow Global Technolgoies LLC, Other. Active years: 2002-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Pearland, TX (US) (2002)
- Lake Jackson, TX (US) (2012 - 2013)
Company Filing History:
1 out of 4,810 
2 out of 834,570 Years Active: 2002-2013
Title: Francisco Lerma, Jr.: Innovator in Thermoplastic Polyurethanes
Introduction
Francisco Lerma, Jr. is a notable inventor based in Lake Jackson, TX (US). He has made significant contributions to the field of thermoplastic polyurethanes (TPUs), holding a total of 3 patents. His work focuses on enhancing the properties of TPUs, making them more versatile for various applications.
Latest Patents
One of his latest patents is titled "Low haze thermoplastic polyurethane using co-chain extenders." This invention describes a TPU that comprises structural units of a diisocyanate, a diol, and three different chain extenders. The TPU exhibits excellent light transmission and clarity, low-temperature flexibility, and high moisture vapor transition rates compared to other known TPUs. The preferred composition includes polycaprolactone as the diol, MDI as the diisocyanate monomer, and a combination of butanediol and other co-chain extenders, resulting in good clarity and tensile strength.
Another significant patent is "Low haze thermoplastic polyurethane using a mixture of chain extenders including 1,3- and 1,4-cyclohexanedimethanol." This invention involves a TPU prepared from a chain extender mixture that includes an acyclic diol and a blend of 1,3- and 1,4-cyclohexanedimethanol. The resulting TPU elastomers demonstrate good optical clarity, especially when formed into relatively thick injection-molded parts.
Career Highlights
Throughout his career, Francisco Lerma, Jr. has worked with prominent companies, including Dow Global Technologies LLC. His innovative approach to TPU development has positioned him as a key figure in the industry.
Collaborations
He has collaborated with notable professionals such as Hani Farah and John M. Cox, contributing to the advancement of TPU technologies.
Conclusion
Francisco Lerma, Jr. is a distinguished inventor whose work in thermoplastic polyurethanes has led to significant advancements in the field. His patents reflect a commitment to innovation and excellence in material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile