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公开(公告)号：US3746655A
公开(公告)日：1973-07-17
申请号：US3746655D
申请日：1969-02-07
Applicant: CALGON CORP
Inventor： URBANIC J
CPC classification number: C01B32/372
Abstract: PARTICULATE ACTIVATED CARBON MAY BE MADE WITH A COLORFUL DECORATIVE COATING WITHOUT SACRIFICING A SIGNIFICANT PORTION OF ITS ADSORPTIVITY. BY UTILIZING A THERMOPLACTIC RESIN AS A MEDIUM FOR COATING THE CARBON AND ADHERING A PIGMENT TO THE COATING.
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2.发明授权Activated carbon with antioxidant properties and a method of preparing the same 失效具有抗氧化性质的活性炭及其制备方法
公开(公告)号：US3778387A
公开(公告)日：1973-12-11
申请号：US3778387D
申请日：1971-06-21
Applicant: CALGON CORP
CPC classification number: C01B32/348
Abstract: AN ACTIVATED CARBON WITH ANTIOXIDANT PROPERTIES IS PREPARED BY FIRST ACID WASHING THE CARBON TO REMOVE ASH, THEN AIR OXIDIZING THE CARBON, AND FINALLY IMPREGNATING THE CARBON WITH A KETONE.
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