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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 4107010 | Photo-electrolytic production of hydrogen Hydrogen and oxygen are produced from water in a process involving the photodissociation of molecular bromine with radiant energy at wavelengths within the visible light region and a subsequent electrolytic dissociation of hydrogen halides.... | 08/15/1978 |
| 4069120 | Photo-electrolytic production of hydrogen Hydrogen and oxygen are produced from water in a process involving the photodissociation of molecular bromine with radiant energy at wavelengths within the visible light region and a subsequent electrolytic dissociation of hydrogen halides.... | 01/17/1978 |
| 4051005 | Photolytic production of hydrogen Hydrogen and oxygen are produced from water in a process involving the photodissociation of molecular bromine with radiant energy at wavelengths within the visible light region.... | 09/27/1977 |
| 4005989 | Coated superalloy article A protective coating is provided on gas turbine engine type superalloys comprising an interlayer adjacent the superalloy substrate a principal protective element of which comprises an aluminide of the basis metal of the substrate formed by the reaction of... | 02/01/1977 |
| 4005988 | Interlayer for transient liquid phase diffusion bonding A reduced melting point interlayer for transient liquid phase diffusion bonding of the nickel, cobalt and iron alloys is provided as a thin coating integral with one or more of the surfaces to be joined.... | 02/01/1977 |
| 3991928 | Method of fabricating titanium alloy matrix composite materials Fiber-reinforced titanium alloy composite materials and their manufacture are disclosed. Beta-titaium alloy foils are alternated with arrays or silicon carbide coated boron fibers and consolidated at a pressure of at least 22 ksi within the temperature ra... | 11/16/1976 |
| 3989872 | Plasma spray powders Fine powders comprising yttria stabilized zirconia powders encased in a thin calcia shell are provided for plasma spray coating processes.... | 11/02/1976 |
| 3945240 | Diffusion bonding separator A separator of solid boron nitride is utilized to prevent diffusion bonding between an alloy being worked at high temperature and the components of working apparatus.... | 03/23/1976 |
| 3930901 | Coating ingot pretreatment A compacted powder or extended ingot for use in the deposition of coatings consisting essentially of a cobalt-base alloy containing chromium, aluminum and yttrium is vacuum heat treated to convert any alumina present therein to aluminum and yttria.... | 01/06/1976 |
