This inventor holds 2 USPTO granted patents. Top assignee: Toray Saehan Incorporated. Active years: 2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006
Title: Innovations of Sang-Duk Oh in Heat-Shrinkable Polyester Films
Introduction
Sang-Duk Oh is a notable inventor based in Gyeongsangbuk-do, South Korea. He has made significant contributions to the field of materials science, particularly in the development of heat-shrinkable polyester films. With a total of 2 patents to his name, his work has implications for various industries, including packaging and labeling.
Latest Patents
Sang-Duk Oh's latest patents focus on heat-shrinkable polyester films with excellent crystallinity. One of his inventions is a heat-shrinkable co-polyester film that includes terephthalic acid and ethylene glycol as main components, along with 1,4-cyclohexanedimethanol in amounts ranging from 3% to 40%. This film exhibits a crystallization temperature between 80°C and 220°C, with a heat shrinkage percentage exceeding 30% in at least one direction when exposed to 90°C hot water. The film is designed for various wrapping applications, including covering, binding, and casing materials. It is particularly effective for labeling and protecting vessels and rod-shaped molded articles, enhancing product value and usability.
Another patent by Sang-Duk Oh describes a similar heat-shrinkable co-polyester film that utilizes terephthalic acid or dimethyl terephthalate as a dicarbonic acid component, along with ethylene glycol, neopentyl glycol, and propylene glycol as diol components. This film also has a crystallization temperature of 80°C to 220°C and demonstrates a heat shrinkage percentage greater than 30% in at least one direction when subjected to 90°C hot water. Its applications mirror those of his previous invention, making it suitable for multi-package use as well.
Career Highlights
Sang-Duk Oh is currently employed at Toray Saehan Incorporated, where he continues to innovate in the field of polymer materials. His work has garnered attention for its practical applications and contributions to the industry.
Collaborations
Sang-Duk Oh has collaborated with notable colleagues, including Sang-Pil Kim and Byung-Sik Park, to further advance their research and development efforts in polyester films.
Conclusion
Sang-Duk Oh's contributions to the field of heat-shrinkable polyester films
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile