The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1977
Filed:
Sep. 19, 1975
Herman Bogaty, Short Hills, NJ (US);
Anthony John Peleckis, Trumbull, CT (US);
Warner-Lambert Company, Morris Plains, NJ (US);
Abstract
The specific embodiments provide a razor blade comprising at least one cutting edge, and an adherent fluorocarbon polymer coating on the cutting edge. The coating has microscopic raised portions. There is also provided a method of treating a razor blade comprising depositing on the cutting edge of the blade a composition comprising a first fluorocarbon polymer and a second fluorocarbon polymer having a molecular weight greater than the first polymer. The deposited composition is heated at a temperature sufficient to cause the first polymer to melt and flow and insufficient to cause the second polymer to melt and flow. Alternatively, the molecular weights of the two polymers are chosen to be sufficiently different such that when the two polymers melt during a heating step the viscosity of the high molecular weight second polymer is sufficiently high to avoid or at least minimize flow.