NO893293L - Silisiumnitridpulvere med lavt isoelektrisk punkt samt fremgangsmaate for fremstilling derav. - Google Patents

Silisiumnitridpulvere med lavt isoelektrisk punkt samt fremgangsmaate for fremstilling derav.

Info

Publication number
NO893293L
NO893293L NO89893293A NO893293A NO893293L NO 893293 L NO893293 L NO 893293L NO 89893293 A NO89893293 A NO 89893293A NO 893293 A NO893293 A NO 893293A NO 893293 L NO893293 L NO 893293L
Authority
NO
Norway
Prior art keywords
powder
procedure
producing
electrical point
low iso
Prior art date
Application number
NO89893293A
Other languages
English (en)
Other versions
NO893293D0 (no
Inventor
Ulrike Pitzer
Gerhard Franz
Benno Laubach
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NO893293D0 publication Critical patent/NO893293D0/no
Publication of NO893293L publication Critical patent/NO893293L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
    • C01B21/0687—After-treatment, e.g. grinding, purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
NO89893293A 1988-08-31 1989-08-16 Silisiumnitridpulvere med lavt isoelektrisk punkt samt fremgangsmaate for fremstilling derav. NO893293L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3829502A DE3829502A1 (de) 1988-08-31 1988-08-31 Siliciumnitridpulver mit niedrigem isoelektrischen punkt sowie verfahren zu deren herstellung

Publications (2)

Publication Number Publication Date
NO893293D0 NO893293D0 (no) 1989-08-16
NO893293L true NO893293L (no) 1990-03-01

Family

ID=6361957

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89893293A NO893293L (no) 1988-08-31 1989-08-16 Silisiumnitridpulvere med lavt isoelektrisk punkt samt fremgangsmaate for fremstilling derav.

Country Status (5)

Country Link
US (1) US5066473A (no)
EP (1) EP0358012A3 (no)
JP (1) JPH0653565B2 (no)
DE (1) DE3829502A1 (no)
NO (1) NO893293L (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829504A1 (de) * 1988-08-31 1990-03-01 Bayer Ag Siliciumnitridpulver mit verbesserten oberflaecheneigenschaften sowie verfahren zu deren herstellung
JP2671535B2 (ja) * 1989-12-27 1997-10-29 信越化学工業株式会社 窒化ケイ素粉末の処理方法
EP0554020B1 (en) * 1992-01-24 1997-04-09 Sumitomo Electric Industries, Limited Silicon nitride powder and method for its manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341874A (en) * 1977-01-13 1982-07-27 Tokyo Shibaura Electric Co., Ltd. Si3 N4 Ceramic powder material and method for manufacturing the same
SE427650B (sv) * 1977-01-13 1983-04-25 Tokyo Shibaura Electric Co Kiselnitridpulvermaterial samt sett att framstella detsamma
JPS6311572A (ja) * 1986-07-02 1988-01-19 日本鋼管株式会社 非酸化物セラミツク粉体の精製方法
JPH01313308A (ja) * 1988-06-09 1989-12-18 Denki Kagaku Kogyo Kk 易焼結性アルフア窒化ケイ素粉末

Also Published As

Publication number Publication date
EP0358012A2 (de) 1990-03-14
DE3829502A1 (de) 1990-03-01
EP0358012A3 (de) 1990-04-04
NO893293D0 (no) 1989-08-16
JPH02107510A (ja) 1990-04-19
US5066473A (en) 1991-11-19
JPH0653565B2 (ja) 1994-07-20

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