Invention Grant
- Patent Title: Oral care implement
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Application No.: US16619122Application Date: 2018-12-13
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Publication No.: US11622618B2Publication Date: 2023-04-11
- Inventor: Chang L. Liu , Jiang Zhou , Yanmei Ji , Fan Gang Xie
- Applicant: Colgate-Palmolive Company
- Applicant Address: US NY New York
- Assignee: Colgate-Palmolive Company
- Current Assignee: Colgate-Palmolive Company
- Current Assignee Address: US NY New York
- International Application: PCT/CN2018/120836 WO 20181213
- International Announcement: WO2020/118602 WO 20200618
- Main IPC: A46B9/04
- IPC: A46B9/04 ; A46B9/02 ; A46D1/00 ; A46B9/06

Abstract:
An oral care implement having a head with a plurality of cleaning elements coupled thereto and extending therefrom. In the exemplified embodiment, the cleaning elements have a plurality of bristle tufts each including a plurality of bristle filaments. In one aspect, the oral care implement may include a first bristle tuft having inner and outer filaments with the outer filaments being taller than the inner filaments and a second bristle tuft having inner and outer filaments with the outer filaments being shorter than the inner filaments. In another aspect, the oral care implement may include a bristle tuft having inner and outer filaments with the inner filaments being either taller or shorter than the outer filaments, and whereby distal ends of the inner and outer filaments are angled relative to an axis of the bristle tuft.
Public/Granted literature
- US20210227964A1 Oral Care Implement Public/Granted day:2021-07-29
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