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Method of making alpha alumina-based abrasive grain containing silica and iron oxide 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C09C-001/68
출원번호 US-0670889 (1996-06-26)
발명자 / 주소
  • Erickson Dwight D. (Oakdale MN) Monroe Larry D. (Eagan MN) Wood Thomas E. (Stillwater MN) Wilson David M. (Bloomington MN)
출원인 / 주소
  • Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보 피인용 횟수 : 118  인용 특허 : 0

초록 ▼

A method of making an alpha alumina-based ceramic abrasive grain comprising, on a theoretical oxide basis, Al2O3, Fe2O3, and SiO2. The abrasive grain has a surface roughness height of greater than about 200 nanometers and a density of greater than about 3.50 g/cm3. Preferably, the alpha alumina-base

대표청구항 ▼

A method for preparing alpha alumina-based ceramic abrasive grain, said method comprising: (a) preparing a dispersion comprising liquid medium, a peptizing agent, boehmite, a source of iron oxide, and a source of amorphous silica; (b) converting said dispersion to an abrasive grain precursor; and (c

이 특허를 인용한 특허 (118)

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