GB2204862B - Preparation of silicon nitride powder - Google Patents

Preparation of silicon nitride powder

Info

Publication number: GB2204862B
Authority: GB; United Kingdom
Prior art keywords: preparation; silicon nitride; nitride powder; powder; silicon
Prior art date: 1987-05-22
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

GB8811944A

Other versions

GB2204862A (en

GB8811944D0 (en

Inventor

Laszlo Marosi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

BASF SE

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.)

1987-05-22

Filing date

1988-05-20

Publication date

1991-01-30

1988-05-20 Application filed by BASF SE filed Critical BASF SE

1988-06-22 Publication of GB8811944D0 publication Critical patent/GB8811944D0/en

1988-11-23 Publication of GB2204862A publication Critical patent/GB2204862A/en

1991-01-30 Application granted granted Critical

1991-01-30 Publication of GB2204862B publication Critical patent/GB2204862B/en

2008-05-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Ceramic Products (AREA)
Silicon Compounds (AREA)

GB8811944A 1987-05-22 1988-05-20 Preparation of silicon nitride powder Expired - Lifetime GB2204862B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19873717285 DE3717285A1 (en)	1987-05-22	1987-05-22	METHOD FOR PRODUCING POWDERED SILICON NITRIDE

Publications (3)

Publication Number	Publication Date
GB8811944D0 GB8811944D0 (en)	1988-06-22
GB2204862A GB2204862A (en)	1988-11-23
GB2204862B true GB2204862B (en)	1991-01-30

Family

ID=6328173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8811944A Expired - Lifetime GB2204862B (en)	1987-05-22	1988-05-20	Preparation of silicon nitride powder

Country Status (3)

Country	Link
JP (1)	JPH01119504A (en)
DE (1)	DE3717285A1 (en)
GB (1)	GB2204862B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3924361A1 (en) *	1989-07-22	1991-01-24	Huels Chemische Werke Ag	METHOD FOR PRODUCING SILICON DIIMIDE WITH A LOW CARBON CONTENT

1987
- 1987-05-22 DE DE19873717285 patent/DE3717285A1/en not_active Withdrawn
1988
- 1988-05-20 GB GB8811944A patent/GB2204862B/en not_active Expired - Lifetime
- 1988-05-20 JP JP12222788A patent/JPH01119504A/en active Pending

Also Published As

Publication number	Publication date
GB2204862A (en)	1988-11-23
GB8811944D0 (en)	1988-06-22
JPH01119504A (en)	1989-05-11
DE3717285A1 (en)	1988-12-01

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Legal Events

Date	Code	Title	Description
1994-01-19	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930520