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. 21, 1989
Filed:
Nov. 23, 1988
Applicant:
Inventors:
Keith D Cavender, Charleston, WV (US);
Edmond J Derderian, Charleston, WV (US);
Eugene L Jarrett, St. Albans, WV (US);
Kenneth A Nielsen, Charleston, WV (US);
Assignee:
Union Carbide Chemicals and Plastics Company Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
264 51 ; 264 54 ; 264523 ; 264175 ; 264299 ; 264310 ; 264319 ; 2643281 ; 2643282 ; 264338 ; 264D / ; 425 90 ; 4258 / ; 4258 / ; 426515 ;
Abstract
A process which comprises (i) the generation of release surfaces by application to predetermined areas of a solid surface of a solution, suspension or dispersion of a release agent and a supercritical fluid that vaporizes from the release agent, (ii) the deposition of a mass onto the release surface containing the release agent, and (iii) the separation of the mass or a product derived from the mass from such surface covered by the release agent. Novel apparatus for carrying out the process are described.