US Patent No: 6,168,100
Number of patents in Portfolio can not be more than 2000
Method for producing embossed metallic flakelets
Stats
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Jan 2, 2001
Issued date -
Mar 25, 1999
filing date -
09/276,528
serial no -
Expired
status
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Abstract
An improved method of preparing embossed metallic flakelets for a hologram pigment improves productivity through a simpler process. A metallic foil 12 is first pressed between a cooperative pair of dies 10 having mutually complementary embossed patterns to thereby transfer to the surfaces of the metallic foil 12 the embossed pattern of the dies 10. Finally, the pulverized metallic flakelets are mixed with predetermined other ingredients to make a hologram pigment.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,672,410 Embossed metallic leafing pigments | 77 | 1993 | |
| 5,624,076 Process for making embossed metallic leafing pigments | 75 | 1995 | |
| 5,650,248 Process for making machine readable images | 30 | 1995 | |
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| 5,980,992 Fluorochemical treatments to provide low-energy surfaces | 22 | 1997 | |
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| 5,851,602 Deposition of high quality conformal silicon oxide thin films for the manufacture of thin film transistors | 22 | 1996 | |
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| 4,971,841 Reflective automotive coating compositions | 22 | 1989 | |
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| 5,480,231 Spherical sliding bearing | 12 | 1994 | |
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| 5,577,669 Apparatus and method for the beneficiation of ore and coal with the aid of ultrasound | 10 | 1995 | |
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| 5,629,185 Process for disintegrating cell dispersions or cell suspensions by means of ultrasonication for the purpose of isolating cell constituents | 9 | 1994 | |
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| 5,849,369 Method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method | 15 | 1996 | |
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| 5,325,580 Process for the production of enamelled workpieces | 6 | 1993 | |
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| 4,754,012 Multi-component sol-gel protective coating composition | 55 | 1986 | |
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| 5,819,579 Forming die for manufacturing printed circuits | 17 | 1996 | |
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| 4,758,003 Method and apparatus for changing physical and chemical properties of materials | 17 | 1984 | |
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| 5,500,311 Holographic flake pigment | 8 | 1994 | |
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| 4,321,087 Process for making metallic leafing pigments | 58 | 1980 | |
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| 5,116,703 Functional hybrid compounds and thin films by sol-gel process | 28 | 1989 | |
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| 4,874,137 Ultrasonic cell-destroyer | 16 | 1988 | |