The Gillette Company

Colin Clipstone

Neville Sonnenberg

Andrew Vladimirovich Zhuk

Charles Samuel White

Steve S Hahn

Hoang Mai Trankiem

Kevin P McDonough

Yiqian Eric Liu

Steve Syng-Hi Hahn

Michael J Paretchan

A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer. Also disclosed is a method of making a razor blade including providing a substrate with a cutting edge defined by a sharpened tip and adjacent facets, and applying an aqueous solution including polytetrafluoroethylene coating over the sharpened tip to result in an outer layer, the polytetrafluoroethylene having a molecular weight of about 45,000.

Razor blade technology

A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer.

Growing community of inventors

Weston, MA, United States of America

Colin Clipstone