Spiral bristle having strand components with different oral care additives, and oral care implement comprising the same
US9681743B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2013 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Dec 12, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46D1/0276
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An oral care implement including at least one spiral bristle. In one aspect, the invention can be an oral care implement having a handle; a head coupled to the handle; at least one bristle tuft extending from the head, the at least one bristle tuft comprising at least one spiral bristle comprising coextruded first and second strand components that are intertwined together to form the at least one spiral bristle; the first strand component comprising a first plastic and a first oral care additive; and the second strand component comprising a second plastic and a second oral care additive, Tine rein the first oral care additive is different than the second oral care additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.