FR2295096A1 - PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS - Google Patents
PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTSInfo
- Publication number
- FR2295096A1 FR2295096A1 FR7538432A FR7538432A FR2295096A1 FR 2295096 A1 FR2295096 A1 FR 2295096A1 FR 7538432 A FR7538432 A FR 7538432A FR 7538432 A FR7538432 A FR 7538432A FR 2295096 A1 FR2295096 A1 FR 2295096A1
- Authority
- FR
- France
- Prior art keywords
- chromate
- pigments
- stabilizing magnetic
- stabilizing
- magnetic
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/34—Compounds of chromium
- C09C1/346—Chromium oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742459766 DE2459766A1 (en) | 1974-12-18 | 1974-12-18 | Stabilised chromium dioxide magnetic pigments - obtd. by treatment with a hydrolysis prod. of an alkoxy silane and heat treating the prod. |
DE19752538792 DE2538792A1 (en) | 1975-09-01 | 1975-09-01 | Stabilising magnetic chromium dioxide pigments - by suspending in aqueous medium, treating with hydrolysable organic silane, and drying |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2295096A1 true FR2295096A1 (en) | 1976-07-16 |
Family
ID=25768117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7538432A Pending FR2295096A1 (en) | 1974-12-18 | 1975-12-16 | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5186796A (en) |
CA (1) | CA1079057A (en) |
FR (1) | FR2295096A1 (en) |
GB (1) | GB1527760A (en) |
IT (1) | IT1060452B (en) |
NL (1) | NL7514524A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2349629A1 (en) * | 1976-04-23 | 1977-11-25 | Basf Ag | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134899A (en) * | 1975-05-17 | 1976-11-22 | Hitachi Maxell Ltd | Processing method of magnetic powder |
JPS56130822A (en) * | 1980-03-19 | 1981-10-14 | Hitachi Maxell Ltd | Magnetic recording medium |
JPH0677310B2 (en) * | 1986-08-29 | 1994-09-28 | 富士写真フイルム株式会社 | Magnetic recording medium |
JPH04184903A (en) * | 1990-11-19 | 1992-07-01 | Toda Kogyo Corp | Manufacture of magnetic particle power for magnetic recording |
-
1975
- 1975-12-11 CA CA241,679A patent/CA1079057A/en not_active Expired
- 1975-12-12 NL NL7514524A patent/NL7514524A/en not_active Application Discontinuation
- 1975-12-15 JP JP50148548A patent/JPS5186796A/ja active Pending
- 1975-12-16 FR FR7538432A patent/FR2295096A1/en active Pending
- 1975-12-17 GB GB5156875A patent/GB1527760A/en not_active Expired
- 1975-12-17 IT IT5274375A patent/IT1060452B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2349629A1 (en) * | 1976-04-23 | 1977-11-25 | Basf Ag | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS |
Also Published As
Publication number | Publication date |
---|---|
NL7514524A (en) | 1976-06-22 |
CA1079057A (en) | 1980-06-10 |
IT1060452B (en) | 1982-08-20 |
GB1527760A (en) | 1978-10-11 |
JPS5186796A (en) | 1976-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
YU42744B (en) | Process for obtaining clavulinic acid esthers | |
BE824910A (en) | PROCESS FOR PREPARING FILMS AND COATINGS | |
FR2279500A1 (en) | ELECTROMAGNETIC BREWING PROCESS | |
YU56075A (en) | Process for obtaining new 2-arylamino-2-imidazoline derivatives | |
BE828672A (en) | PROCESS FOR THE PREPARATION OF BUTYNE-DIOL | |
GB1486146A (en) | Process for producing l-cysteine or its derivatives | |
FR2349629A1 (en) | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS | |
YU137176A (en) | Process for obtaining heteroaryl derivatives | |
BE829779A (en) | PROCESS FOR THE PREPARATION OF PYRAZOLO-BENZAZEPINES | |
BE832428A (en) | PROCESS FOR THE PREPARATION OF 2-METHYL-TETRA-HYDROPYRIMIDINES 1- SUBSTITUTES | |
RO72708A (en) | PROCESS FOR THE PREPARATION OF PERCHLORATMETHYLMERCAPTANE | |
YU76681A (en) | Process for obtaining new thiaprostaglandin derivatives | |
FR2295096A1 (en) | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS | |
HU175360B (en) | Process for preparing derivatives of the antibiotic a2041 | |
YU293975A (en) | Process for obtaining phenylpyridylamine derivatives | |
FR2277077A1 (en) | PROCESS FOR PREPARATION OF DERIVATIVES OF PHENYLISOPROPYLUREE | |
BE836782A (en) | PROCESS FOR STABILIZING MAGNETIC CHROMATE CHROMATE PIGMENTS | |
FR2281937A1 (en) | PROCESS FOR THE PREPARATION OF STERYL-B-D-GLUCOSIDE PALMITATES | |
YU37170B (en) | Process for obtaining penicillnic acid derivatives | |
FR2292710A1 (en) | PROCESS FOR PREPARING 7A-METHOXYCEPHALOSPORIN DERIVATIVES | |
BE837041A (en) | PROCESS FOR PREPARING 3-METHYLENECEPHAM DERIVATIVES | |
YU40449B (en) | Process for obtaining new dianhydrodulcite derivatives | |
YU63274A (en) | Process for obtining 3-cephem-3-sulfonate derivatives | |
YU39945B (en) | Process for obtaining new thieno-pyridine derivatives | |
YU37350B (en) | Process for obtaining new benzhydryloxy-alkylamine derivatives |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |