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:
May. 18, 1999
Filed:
Aug. 08, 1997
John Duckett Winter, Yorba Linda, CA (US);
Paul Ellis Brickhouse, Houston, TX (US);
Ronald Frederick Tyree, Houston, TX (US);
John S Stevenson, Yorba Linda, CA (US);
Gregory Joseph Mayotte, Wappingers Falls, NY (US);
Jerrold Samuel Kassman, League City, TX (US);
Byron Von Klock, Beaumont, TX (US);
Texaco Inc, White Plains, NY (US);
Abstract
An integrated liquefaction and gasification process converts bulk particulate halogen-containing waste plastic materials with minimal particle size reduction into a synthesis gas and a non-leachable, vitreous environmentally nontoxic slag. The process involves melting and cracking bulk particulate halogen-containing waste plastic material to form a lower boiling point, lower molecular weight halogen-containing oil composition which then undergoes partial oxidation in a quench gasifier to produce a synthesis gas. Any hazardous gases, liquids or solids that are produced can be purified into commercially valuable byproducts or recycled to the process, which does not release hazardous materials to the environment.