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. 25, 1997
Filed:
Jun. 06, 1995
James William Ashmead, Middletown, DE (US);
Charles Thomas Blaisdell, Middletown, DE (US);
Melvin Harry Johnson, Chadds Ford, PA (US);
Jack Kent Nyquist, Chadds Ford, PA (US);
Joseph Anthony Perrotto, Landenberg, PA (US);
James Francis Ryley, Jr, Drexel Hill, PA (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
An integral structure is provided for chemical processing and manufacture, in which a plurality of laminae are joined together and having inlet and outlet ports connected by a three dimensionally tortuous channel. Chemicals are introduced through the inlet ports and processed along the channel, with desirable product withdrawn through the outlet ports. The laminae are of materials selected to be compatible with the chemical process, from the group consisting of elements of groups III, IV or V of the Periodic Table, ceramics, glasses, polymers, composites and metals. Processes of manufacture of the apparatus and processes utilizing the apparatus are also disclosed herein.