Oral Care Implement
AssigneeColgate-Palmolive Company
InventorsDouglas Hohlbein, Chi Shing WONG
Life of this patent
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Abstract
Described herein is an oral care implement comprising a body having a head portion, a gripping portion, and a neck portion located between the head and gripping portions, a plurality of tooth engaging elements extending from the head portion, the body comprising a first component formed of a first hard plastic having a first ductility; and a second component formed of a second hard plastic having a second ductility that is greater than the first ductility.
Claims27
An oral care implement comprising:
- a body having a head portion, a gripping portion, and a neck portion located between the head and gripping portions;
- a plurality of tooth engaging elements extending from the head portion;
- the body comprising:
- a first component formed of a first hard plastic having a first ductility;
- and
- a second component formed of a second hard plastic having a second ductility that is greater than the first ductility.
-4. (canceled)
-8. (canceled)
-18. (canceled)
-30. (canceled)
An oral care implement comprising:
- a body having a head portion, a gripping portion, and a neck portion located between the head and gripping portions;
- a plurality of tooth engaging elements extending from the head portion;
- the body comprising:
- a first component formed of a polypropylene homopolymer;
- and
- a second component formed of an impact-modified polypropylene.
-36. (canceled)
-45. (canceled)
An oral care implement comprising:
- a body having a head portion, a gripping portion, and a neck portion located between the head and gripping portions;
- a plurality of tooth engaging elements extending from the head portion;
- the body comprising:
- a first component formed of a first material having a first hardness and a first ductility;
- and
- a second component formed of a second material having a second hardness and a second ductility;
- wherein the ratio of the first hardness to the second hardness is about 1.1:1 to about 1:1.1 and the ratio of the second ductility to the first ductility ranges from about 1.5:1.0 to about 4.0:1.0.
-53. (canceled)
Dependencies are inferred from the claim text.