This inventor holds 4 USPTO granted patents and 6 published patent applications and 6 EPO patents. Top assignees: Rohm and Haas Company, Ddp Specialty Electronic Materials US 8, LLC, Ddp Specialty Electronic Materials US, LLC. Active years: 2016-2022.
Location History:
- Ambler, PA (US) (2016)
- Royersford, PA (US) (2018 - 2022)
Company Filing History:
3 out of 3,442 
1 out of 18 
1 out of 114 
Years Active: 2016-2022
Title: Innovations and Contributions of John C. Rohanna
Introduction
John C. Rohanna is a notable inventor based in Royersford, PA (US). He has made significant contributions to the field of resin technology, holding a total of 4 patents. His work has focused on developing methods that enhance the properties and applications of resin materials.
Latest Patents
Among his latest patents, one notable invention is a method for making low-sodium resin. This process involves treating a collection of resin beads that contain vinyl polymers with quaternary ammonium groups. The method includes several steps, such as bringing the resin beads into contact with an aqueous solution and separating the resulting waste solution. Another significant patent is related to a sulfonation process, which describes a method for reacting resin with sulfuric acid at elevated temperatures.
Career Highlights
Throughout his career, John C. Rohanna has worked with prominent companies, including Rohm and Haas Company and DDP Specialty Electronic Materials US, LLC. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to various innovative projects.
Collaborations
John has collaborated with several professionals in his field, including Alfred Karl Schultz and Marvin H. Tegen. These partnerships have fostered a collaborative environment that has led to advancements in resin applications.
Conclusion
John C. Rohanna's contributions to resin technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the field. His work continues to influence the industry and inspire future innovations.