JPS5499099A - Production of gypsum fine powder - Google Patents
Production of gypsum fine powderInfo
- Publication number
- JPS5499099A JPS5499099A JP569778A JP569778A JPS5499099A JP S5499099 A JPS5499099 A JP S5499099A JP 569778 A JP569778 A JP 569778A JP 569778 A JP569778 A JP 569778A JP S5499099 A JPS5499099 A JP S5499099A
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- water
- harden
- under conditions
- finely divided
- 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.)
- Granted
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP569778A JPS5499099A (en) | 1978-01-20 | 1978-01-20 | Production of gypsum fine powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP569778A JPS5499099A (en) | 1978-01-20 | 1978-01-20 | Production of gypsum fine powder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5499099A true JPS5499099A (en) | 1979-08-04 |
JPS6232131B2 JPS6232131B2 (ja) | 1987-07-13 |
Family
ID=11618285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP569778A Granted JPS5499099A (en) | 1978-01-20 | 1978-01-20 | Production of gypsum fine powder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5499099A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2629069A1 (fr) * | 1988-03-24 | 1989-09-29 | Lafarge Sa Platres | Procede de preparation de sulfate de calcium a structure cristalline longiligne dotee d'une longueur et d'un facteur de forme maitrises |
FR2640961A1 (ja) * | 1988-12-22 | 1990-06-29 | Lafarge Platres |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240494A (en) * | 1975-09-29 | 1977-03-29 | Onoda Cement Co Ltd | Process for producing needle crystal fiber of gypsum |
-
1978
- 1978-01-20 JP JP569778A patent/JPS5499099A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240494A (en) * | 1975-09-29 | 1977-03-29 | Onoda Cement Co Ltd | Process for producing needle crystal fiber of gypsum |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2629069A1 (fr) * | 1988-03-24 | 1989-09-29 | Lafarge Sa Platres | Procede de preparation de sulfate de calcium a structure cristalline longiligne dotee d'une longueur et d'un facteur de forme maitrises |
FR2640961A1 (ja) * | 1988-12-22 | 1990-06-29 | Lafarge Platres |
Also Published As
Publication number | Publication date |
---|---|
JPS6232131B2 (ja) | 1987-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Effective date: 20040203 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060808 |
|
A313 | Final decision of rejection without a dissenting response from the applicant |
Effective date: 20070105 Free format text: JAPANESE INTERMEDIATE CODE: A313 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070206 |