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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.:

US 12479810 B1

PDFFull Text
Date of Patent:
Nov. 25, 2025

Filed:

Sep. 29, 2021

Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant

Applicant:

Continental Reifen Deutschland Gmbh, Hannover, DE;

Inventors:

Carla Recker, Hannover, DE;

Andreas Jacob, Hannover, DE;

David-Raphael Dauer, Dassel, DE;

Julian Strohmeier, Einbeck, DE;

Anna-Lena Dreier, Hannover, DE;

Jörg-August Becker, Hannover, DE;

Florian Matz, Hannover, DE;

Rebecca Graf, Hannover, DE;

Jan Flormann, Hannover, DE;

Assignee:

Continental Reifen Deutschland GmbH, Hannover, DE;

Attorneys:

Richard A. Wolf

Gregory Adams

Primary Examiner:

Ellen M Mcavoy

Int. Cl.
CPC ...
C07D 279/20 (2006.01); B60C 1/00 (2006.01); C08K 5/46 (2006.01); C09B 21/00 (2006.01); C09D 7/41 (2018.01); C09K 15/30 (2006.01); C10L 1/24 (2006.01); C10M 135/36 (2006.01); C10N 30/10 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C07D 279/20 (2013.01); B60C 1/0016 (2013.01); B60C 1/0025 (2013.01); C08K 5/46 (2013.01); C09B 21/00 (2013.01); C09D 7/41 (2018.01); C09K 15/30 (2013.01); C10L 1/2456 (2013.01); C10M 135/36 (2013.01); C10M 2219/108 (2013.01); C10N 2030/10 (2013.01); C10N 2040/25 (2013.01);
Abstract

The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire comprising the rubber mixture in at least one component, to a process for producing the compound and to the use of the compound as an aging stabilizer and/or antioxidant and/or antiozonant and/or dye. The compound according to the invention has the formula I).

Find Patent Forward Citations

Quick Actions:

Recker, Carla. (2025). Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant (U.S. Patent No. 12479810). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12479810

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