The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2022
Filed:
Jul. 26, 2019
Eastman Chemical Company, Kingsport, TN (US);
Charles Stuart Everett, Kingsport, TN (US);
Melvin Glenn Mitchell, Penrose, NC (US);
Kenny Randolph Parker, Afton, TN (US);
Koushik Ghosh, Kingsport, TN (US);
Mounir Izallalen, Kingsport, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
A wet laid process includes a method for making paper in which a composition containing co-refined cellulose fibers and cellulose ester fibers made into a thick stock composition in a machine chest, the thick stock is fed to a cleaning/screening zone through a device that regulates the flow rate of thick stock, the consistency of the thick stock fed to the screening/cleaning zone is reduced to form a thin stock composition; the thin stock composition is subjected to a process for cleaning the thin stock and feeding the cleaned thin stock through screens to form a cleaned and screened thin stock composition, and the cleaned and screened thin stock composition is fed to a headbox.