JPS565309A - Preparation of basic pentacalcium triphosphate - Google Patents
Preparation of basic pentacalcium triphosphateInfo
- Publication number
- JPS565309A JPS565309A JP7689879A JP7689879A JPS565309A JP S565309 A JPS565309 A JP S565309A JP 7689879 A JP7689879 A JP 7689879A JP 7689879 A JP7689879 A JP 7689879A JP S565309 A JPS565309 A JP S565309A
- Authority
- JP
- Japan
- Prior art keywords
- bones
- dry distillation
- furnace
- triphosphate
- pentacalcium triphosphate
- 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
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
PURPOSE:To economically and efficiently prepare basic pentacalcium triphosphate, by combustion treatment, at a specific temprature, of bone chain coal produced by dry distillation of animal bones. CONSTITUTION:Bones of mammal, e.g., cattle are subjected to dry distillation at about 600-800 deg.C. The time and temperature range needed are properly selected depending on the size and the degree of stacking bones. The dry distillation results in decomposition and removal of organic material and water, providing bone charcoal essentially consisting of Ca3(PO4)2nH2O. The obtained bone charcoal is burnt at 1,000-1,500 deg.C in fuel oil furnace, gas furnace, or high-frequency furnace, thereby efficiently producing basic pentacalcium triphosphate Ca5(PO4)3OH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7689879A JPS565309A (en) | 1979-06-20 | 1979-06-20 | Preparation of basic pentacalcium triphosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7689879A JPS565309A (en) | 1979-06-20 | 1979-06-20 | Preparation of basic pentacalcium triphosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS565309A true JPS565309A (en) | 1981-01-20 |
Family
ID=13618466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7689879A Pending JPS565309A (en) | 1979-06-20 | 1979-06-20 | Preparation of basic pentacalcium triphosphate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS565309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5254285A (en) * | 1988-04-28 | 1993-10-19 | Sanai Fujita | Flocculating agent for the purification of fluids |
| FR2764879A1 (en) * | 1997-06-23 | 1998-12-24 | Yann Druet | Fertiliser free from chemical and mineral sources |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53128598A (en) * | 1977-04-14 | 1978-11-09 | Hayashi Setsuo | Method of producing calcium phosphate having higher purity than that of animal bones |
-
1979
- 1979-06-20 JP JP7689879A patent/JPS565309A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53128598A (en) * | 1977-04-14 | 1978-11-09 | Hayashi Setsuo | Method of producing calcium phosphate having higher purity than that of animal bones |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5254285A (en) * | 1988-04-28 | 1993-10-19 | Sanai Fujita | Flocculating agent for the purification of fluids |
| US5397499A (en) * | 1988-04-28 | 1995-03-14 | Fujita; Sanai | Alkali-ionization and oxidation inhibiting composition |
| US5487844A (en) * | 1988-04-28 | 1996-01-30 | Fujita; Sanai | Flocculating agent for the purification of fluids |
| FR2764879A1 (en) * | 1997-06-23 | 1998-12-24 | Yann Druet | Fertiliser free from chemical and mineral sources |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050225 |
|
| A621 | Written request for application examination |
Effective date: 20050225 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071225 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20080324 |
|
| A602 | Written permission of extension of time |
Effective date: 20080512 Free format text: JAPANESE INTERMEDIATE CODE: A602 |
|
| A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20080812 |
|
| A02 | Decision of refusal |
Effective date: 20080930 Free format text: JAPANESE INTERMEDIATE CODE: A02 |