Location History:
- Rochdale, GB (1978 - 1982)
- Bamford, GB (1982 - 1983)
Company Filing History:
Years Active: 1978-1983
Title: David G Evans: Innovator in Textile Dyeing Processes
Introduction
David G Evans is a notable inventor based in Rochdale, GB. He has made significant contributions to the field of textile dyeing, holding a total of 5 patents. His innovative approaches have advanced the methods used in dyeing polyester fibers, showcasing his expertise and creativity.
Latest Patents
Among his latest patents is a two-phase organic solvent-water dyeing process for polyester fibers. This process involves contacting the fiber with a two-phase suspension that includes an active solvent containing dissolved dye and a bulking inert substantially immiscible solvent. The active solvent is liquid under dyeing conditions and serves as a solvent for the dye, while being insoluble or only slightly soluble in the inert solvent. The fixation affinity of the fiber for the dye is greater than that of the active solvent for the dye at the required temperature for fixation. Another significant patent is a dyeing process that also involves contacting textile fibers with an active solvent containing dissolved dye mixed with a bulking inert substantially immiscible solvent. This innovative method enhances the efficiency and effectiveness of dyeing processes.
Career Highlights
David G Evans has been associated with Ciba-Geigy Corporation, where he has applied his inventive skills to develop advanced dyeing techniques. His work has contributed to the company's reputation for innovation in the textile industry.
Collaborations
Throughout his career, Evans has collaborated with notable colleagues, including James K Skelly and Carl Becker. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in textile dyeing.
Conclusion
David G Evans stands out as a prominent inventor in the textile industry, with a focus on innovative dyeing processes. His contributions have not only advanced the field but also demonstrated the importance of collaboration and creativity in driving technological progress.