Mingchih M Tseng from Boston, MA, age 76

Bristle For A Toothbrush
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US Patent:

6497458, Dec 24, 2002
Filed:

Sep 10, 2001
Appl. No.:

09/949599
Inventors:

Scott Batson - Wakefield MA
Georges Driesen - Weilrod, DE
Ahmet Cem Firatli - Wiesbaden, DE
Rainer Hans - Idstein, DE
Norbert Schaefer - Frankfurt, DE
Armin Schwarz-Hartmann - Albig, DE
Mingchih M. Tseng - Hingham MA
Helge Zimmet - Somerville MA
Assignee:

Braun GmbH - Kronberg
International Classification:

D02G 300
US Classification:

300 21, 26417316, 26417318, 26417319, 428373, 428374, 428395
Abstract:

The invention is directed to a bristle ( ) suitable for use in a brush ( ) or the like, and in particular in a toothbrush. The bristle ( ) is made of a plastic material and includes preferably a circular area of cross-section. When viewed in cross-section, the bristle ( ) includes two sections ( ) with different properties. These sections ( ) are not in concentric relative arrangement. As a result, the bristle ( ) curves along its longitudinal axis. The curvature produces an improved cleaning action of the brush ( ).

Color Changing Matrix As Wear Indicator
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US Patent:

7338664, Mar 4, 2008
Filed:

Sep 15, 2003
Appl. No.:

10/663352
Inventors:

Mingchih M. Tseng - Hingham MA, US
Carl M. Philbrook - Jamaica Plain MA, US
Assignee:

The Gillette Company - Boston MA
International Classification:

A61K 9/14
A61K 49/00
US Classification:

424435, 424 103, 424 1032, 424401, 424486, 424488, 428364, 428373, 428378, 428394, 428395, 428396
Abstract:

A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.

Gum Massaging Oral Brush
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US Patent:

8156600, Apr 17, 2012
Filed:

Sep 9, 2008
Appl. No.:

12/206926
Inventors:

Michael Roberts - Brookfield CT, US
Thomas Craig Masterman - Brookline MA, US
Edward H. Park - Sharon MA, US
Scott Batson - Wakefield MA, US
Philip Sweeney - Taunton MA, US
Mingchih M. Tseng - Hingham MA, US
Stephen C. Witkus - Grafton MA, US
Assignee:

The Gillette Company - Boston MA
International Classification:

A46B 9/04
A46B 9/06
A46B 3/22
A61H 13/00
US Classification:

15110, 151671, 15188, 152072, 15DIG 6, 601141
Abstract:

A toothbrush including a head having an elastomeric support member is described herein. The elastomeric support member supports a plurality of upstanding projections. At least a portion of the upstanding projections include non-elastomeric projections and elastomeric projections.

Sustained-Release Matrices For Dental Application
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US Patent:

20020081556, Jun 27, 2002
Filed:

Sep 28, 2001
Appl. No.:

09/966798
Inventors:

Mingchih Tseng - Hingham MA, US
Carl Philbrook - Jamaica Plain MA, US
Assignee:

The Gillette Company, a Delaware corporation
International Classification:

A61K007/16
A61C001/00
A61K009/14
US Classification:

433/229000, 424/049000
Abstract:

A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.

Gum-Massaging Oral Brush
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US Patent:

20020084550, Jul 4, 2002
Filed:

Dec 26, 2001
Appl. No.:

10/036022
Inventors:

Michael Roberts - Brookfield CT, US
Thomas Masterman - Brookline MA, US
Edward Park - Sharon MA, US
Scott Batson - Wakefield MA, US
Philip Sweeney - Taunton MA, US
Mingchih Tseng - Hingham MA, US
Stephen Witkus - Grafton MA, US
International Classification:

D01D005/34
D01F001/10
US Classification:

264/172150, 264/172160, 264/172170, 264/210600, 264/210800, 264/211000
Abstract:

An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.

Sustained-Release Matrices For Dental Application
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US Patent:

20030049209, Mar 13, 2003
Filed:

Aug 5, 2002
Appl. No.:

10/212666
Inventors:

Mingchih Tseng - Hingham MA, US
Carl Philbrook - Jamaica Plain MA, US
Assignee:

The Gillette Company, a Delaware corporation
International Classification:

A61K007/16
A46B009/04
A61G017/02
US Classification:

424/049000, 433/080000, 015/167100
Abstract:

A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.

Gum Massaging Oral Brush
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US Patent:

20040087882, May 6, 2004
Filed:

Oct 24, 2003
Appl. No.:

10/692916
Inventors:

Michael Roberts - Brookfield CT, US
Thomas Masterman - Brookline MA, US
Edward Park - Sharon MA, US
Scott Batson - Wakefield MA, US
Philip Sweeney - Taunton MA, US
Mingchih Tseng - Hingham MA, US
Stephen Witkus - Grafton MA, US
Assignee:

Gillette Canada Company, a Canadian corporation
International Classification:

A46B009/04
US Classification:

601/141000, 015/110000, 015/167100, 015/207200, 264/172110
Abstract:

An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.

Gum Massaging Oral Brush
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US Patent:

20050086753, Apr 28, 2005
Filed:

Nov 18, 2004
Appl. No.:

10/991911
Inventors:

Michael Roberts - Brookfield CT, US
Thomas Masterman - Brookline MA, US
Edward Park - Sharon MA, US
Scott Batson - Wakefield MA, US
Philip Sweeney - Taunton MA, US
Mingchih Tseng - Hingham MA, US
Stephen Witkus - Grafton MA, US
International Classification:

A46B009/04
US Classification:

015110000, 015167100, 015207200, 015188000, 015DIG006, 601141000
Abstract:

An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected from the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.

Mingchih M Tseng