John D Dejarnette

Title: Innovations by John D Dejarnette

Introduction

John D Dejarnette is an accomplished inventor based in Henrico, VA (US). He has made significant contributions to the field of paper manufacturing, holding a total of 2 patents. His work focuses on innovative methods that enhance the efficiency and quality of paper production.

Latest Patents

Dejarnette's latest patents include advancements in pulping methods and the manufacturing of paperboard. One notable patent describes a pulping method that involves the chemical cooking of softwood chips. This method aims to retain a high lignin content of about 18% to about 28% by weight while fiberizing the cooked softwood chips to achieve a low residual wood shive content of at most 15% by weight. Another significant patent outlines a method for manufacturing bleached pulp from a feedstock that includes recycled paper. This method consists of several steps, including impregnating the feedstock with cooking liquor, cooking the impregnated material to remove lignin, and bleaching the resulting cooked pulp.

Career Highlights

John D Dejarnette is currently employed at Westrock MWV, LLC, where he continues to innovate in the paper manufacturing industry. His expertise in pulping methods and paperboard structures has positioned him as a valuable asset to his company.

Collaborations

Throughout his career, Dejarnette has collaborated with notable colleagues, including Peter W Hart and Fritz G Paulsen. These collaborations have likely contributed to the development of his innovative patents and advancements in the field.

Conclusion

John D Dejarnette's contributions to the paper manufacturing industry through his innovative patents demonstrate his commitment to enhancing production methods. His work continues to influence the field and showcases the importance of innovation in manufacturing processes.