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:
Sep. 19, 2000
Filed:
Mar. 02, 1998
Friedrich Visel, Bofferdange, LU;
Uwe Ernst Frank, Marpingen, DE;
Rene Jean Zimmer, Howald, LU;
Thierry Florent Materne, Attert, BE;
Giorgio Agostini, Colmar-Berg, LU;
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
A rubber composition containing a filler having individual aggregates containing both large and small particles, where the small particles are grafted onto the surface of the large particles. The small particles range from 1 to 30 weight percent of the overall weight of the filler. The large particles range from 70 to 99 weight percent of the overall weight of the filler. The small particles range in size of from 1 to 16 nanometers in diameter and the large particles range in size of from 17 to 500 nanometers in diameter.