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. 26, 2026
Filed:
Apr. 20, 2021
Applicant:
Bridgestone Europe Nv/sa [be/be], Zaventem, BE;
Inventors:
Paolo Fiorenza, Rome, IT;
Gianpaolo Chieffi, Rome, IT;
Assignee:
Bridgestone Europe NV/SA, Zaventem, BE;
Primary Examiner:
Int. Cl.
CPC ...
C08L 19/00 (2006.01); B60C 1/00 (2006.01); C08C 19/20 (2006.01); C08K 3/04 (2006.01); C08K 3/22 (2006.01); C08K 3/30 (2006.01); C08K 3/34 (2006.01);
U.S. Cl.
CPC ...
C08L 19/00 (2013.01); B60C 1/0008 (2013.01); C08C 19/20 (2013.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 3/30 (2013.01); C08K 3/346 (2013.01); C08K 2003/2296 (2013.01); C08K 2201/014 (2013.01); C08L 2312/00 (2013.01);
Abstract
Method for the manufacture of the innerliner compound comprising: —a first mixing step wherein at least one cross-linkable unsaturated chain polymeric base and one filler system are mixed together; —a final mixing step wherein a vulcanization system is added and mixed with the mixture deriving from an earlier mixing step; and —an intermediate mixing step, interposed between said first mixing step and the final mixing step, and wherein lignin is added and mixed into the mixture deriving from a previous mixing step.