CA952286A - Process for producing finely divided silica having reducing properties - Google Patents

Process for producing finely divided silica having reducing properties

Info

Publication number: CA952286A
Authority: CA; Canada
Prior art keywords: finely divided; divided silica; reducing properties; producing finely; producing
Prior art date: 1969-07-01
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

Application number

CA087,100A

Inventor

Alfred Illigen

Walter Neugebauer

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.)

Evonik Operations GmbH

Original Assignee

Deutsche Gold und Silber Scheideanstalt

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.)

1969-07-01

Filing date

1970-07-02

Publication date

1974-08-06

1970-07-02 Application filed by Deutsche Gold und Silber Scheideanstalt filed Critical Deutsche Gold und Silber Scheideanstalt

1974-08-06 Application granted granted Critical

1974-08-06 Publication of CA952286A publication Critical patent/CA952286A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/182—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/186—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof from or via fluosilicic acid or salts thereof by a wet process
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Inorganic Chemistry (AREA)
Nanotechnology (AREA)
Physics & Mathematics (AREA)
Composite Materials (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
Materials Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Silicon Compounds (AREA)

CA087,100A 1969-07-01 1970-07-02 Process for producing finely divided silica having reducing properties Expired CA952286A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19691933292 DE1933292C3 (en)	1969-07-01	1969-07-01	Process for the production of finely divided silica with reducing properties

Publications (1)

Publication Number	Publication Date
CA952286A true CA952286A (en)	1974-08-06

Family

ID=5738513

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA087,100A Expired CA952286A (en)	1969-07-01	1970-07-02	Process for producing finely divided silica having reducing properties

Country Status (6)

Country	Link
CA (1)	CA952286A (en)
CH (1)	CH542788A (en)
DE (1)	DE1933292C3 (en)
FR (1)	FR2056387A5 (en)
NO (1)	NO130822C (en)
SE (1)	SE364696B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014008998A1 (en)	2013-12-17	2015-06-18	Kingspan Gefinex Gmbh	Floor construction with edge insulation strips
DE102014014503A1 (en)	2013-12-17	2015-06-18	Kingspan Gefinex Gmbh	Floor construction with expansion joint strip

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2535659A (en) *	1947-04-01	1950-12-26	Shell Dev	Amorphous silica and process for making same
DE1072601B (en) *	1954-05-28	1960-01-07	The B. F. Goodrich Company, New York, N. Y. (V. St. A.)	Process for the oxidation of brown, condensed, solid silicon monoxide
DE1062228B (en) *	1958-05-31	1959-07-30	Wacker Chemie Gmbh	Process for the production of hydrogenated silica
US3068089A (en) *	1959-05-20	1962-12-11	Cabot Corp	Process and apparatus for the production of finely-divided pigments
GB1255498A (en) *	1968-08-13	1971-12-01	Monsanto Chemicals	Production of finely divided silica

1969
- 1969-07-01 DE DE19691933292 patent/DE1933292C3/en not_active Expired
1970
- 1970-05-26 CH CH776570A patent/CH542788A/en not_active IP Right Cessation
- 1970-06-20 NO NO240370A patent/NO130822C/no unknown
- 1970-06-29 FR FR7023988A patent/FR2056387A5/en not_active Expired
- 1970-07-01 SE SE914170A patent/SE364696B/xx unknown
- 1970-07-02 CA CA087,100A patent/CA952286A/en not_active Expired

Also Published As

Publication number	Publication date
CH542788A (en)	1973-10-15
NO130822B (en)	1974-11-11
DE1933292C3 (en)	1982-04-29
DE1933292A1 (en)	1971-02-11
SE364696B (en)	1974-03-04
NO130822C (en)	1975-02-19
DE1933292B2 (en)	1981-04-09
FR2056387A5 (en)	1971-05-14

Publication	Publication Date	Title
CA962656A (en)	1975-02-11	Process for producing finely divided silica modified by metallic oxide
CA931341A (en)	1973-08-07	Process for the production of sections
CA931892A (en)	1973-08-14	Process for producing ketose
CA952286A (en)	1974-08-06	Process for producing finely divided silica having reducing properties
CA942324A (en)	1974-02-19	Process for producing 5-alkylidene-2-norbornenes
CA953848A (en)	1974-08-27	Process for the production of cis-polypentenamers
CA946587A (en)	1974-05-07	Process for treating silica
CA930175A (en)	1973-07-17	Process for producing aluminum
CA813925A (en)	1969-05-27	Process for producing hydrocarbonleads
CA921852A (en)	1973-02-27	Process for producing l-serinehydrolyase
CA803442A (en)	1969-01-07	Process for producing finely-divided precipitated silica
CA829279A (en)	1969-12-09	Process for the production of lysozyme
AU452368B2 (en)	1972-02-10	Process for producing 5-alkylidene -2-norbornenes
CA920770A (en)	1973-02-13	Process for producing dicyanogen
CA817452A (en)	1969-07-08	Process for producing nitrodiarylamines
CA813924A (en)	1969-05-27	Process for producing hydrocarbonleads
CA921853A (en)	1973-02-27	Process for producing l-arginase
CA825139A (en)	1969-10-14	Process for producing n-acetylglutamine
CA871669A (en)	1971-05-25	Process for making fine sized low density silica
CA807591A (en)	1969-03-04	Process for producing hydrogen
CA812701A (en)	1969-05-13	Process for producing hydrogen
AU1857370A (en)	1972-02-10	Process for producing 5-alkylidene -2-norbornenes
CA817872A (en)	1969-07-15	Process for producing acetylenes
CA818329A (en)	1969-07-22	Process for producing tio2
CA820208A (en)	1969-08-12	Process for producing boric oxide