Patents for C23F 3 - Brightening metals by chemical means (1,427)
11/1981
11/17/1981US4301194 Chemical milling maskant application process
06/1981
06/02/1981US4270932 Polishing of silver-plated articles
02/1981
02/17/1981US4251384 Aluminum polishing compositions
12/1980
12/10/1980EP0019964A1 Bath for the chemical polishing of steel surfaces
11/1980
11/26/1980EP0019402A1 Chemical milling composition, with maskant application process and apparatus
04/1980
04/15/1980CA1075570A1 Method of treating surface of copper and its alloys
04/01/1980US4196062 Method of brightening electrodeposited chromium
03/1980
03/04/1980CA1072867A1 Oven cleaning article and process
10/1979
10/17/1979EP0004560A1 Use of ammonium polyphosphate
09/1979
09/11/1979CA1061956A1 Aluminium polishing compositions
07/1979
07/03/1979CA1057630A1 Metal dissolution process
05/1979
05/08/1979US4153571 Heat dependent alkali gel cleaning compositions and process for cleaning greasy surfaces
04/1979
04/17/1979CA1052674A1 Solutions for chemically polishing surfaces of copper and its alloys
11/1978
11/14/1978CA1042326A1 Alkali gel compositions for cleaning greasy surfaces
09/1978
09/26/1978US4116699 Aluminium polishing compositions
08/1978
08/29/1978CA1037364A1 Silicon polishing solution preparation
07/1978
07/11/1978US4099985 Process for cleaning greasy surfaces with a heat dependent alkali gel
04/1978
04/25/1978US4086176 Salts of oxalic acid, hydrogen peroxide, brighteners, and stabilizers
08/1977
08/09/1977US4040863 Method of treating surface of copper and its alloys
09/1976
09/14/1976US3979858 Chemically accelerated metal finishing process
07/1976
07/13/1976US3969242 Control system for liquid-solid contacting apparatus
04/1976
04/27/1976US3953263 Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid
04/06/1976US3948703 Method of chemically polishing copper and copper alloy
03/1976
03/23/1976US3945893 Electrodeposition of a metal coating and hard particles protruding therefrom
03/23/1976US3945865 In nitric acid baths containing hydrogen peroxide
01/1976
01/13/1976US3932243 Alkylphenol
01/06/1976US3930870 Silicon polishing solution preparation
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