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:
Jun. 27, 2006
Filed:
May. 09, 2002
Thomas A. Golubic, Boardman, OH (US);
Kenneth C. Krupinski, Export, PA (US);
William E. Saver, Natrona Heights, PA (US);
David R. Snyder, Cuyahoga Falls, OH (US);
Robert H. Wombles, Gibsonia, PA (US);
Thomas A. Golubic, Boardman, OH (US);
Kenneth C. Krupinski, Export, PA (US);
William E. Saver, Natrona Heights, PA (US);
David R. Snyder, Cuyahoga Falls, OH (US);
Robert H. Wombles, Gibsonia, PA (US);
Koppers Delaware, Inc., Wilmington, DE (US);
Abstract
A method of making the saturated aircraft brake preform using a coal tar pitch having a softening point in the range of about 160° C. to 240° C. Also, a product having natural rubber in the formulation and the method of making the product using a coal tar pitch having a softening point in the range of about 140° C. to 200° C. A mesophase pitch is formed from quinoline insoluble free coal tar pitch distillate from a high efficiency evaporative distillation process.