ES2130071A1 - Process for obtaining refined naphthalene - Google Patents
Process for obtaining refined naphthaleneInfo
- Publication number
- ES2130071A1 ES2130071A1 ES09700967A ES9700967A ES2130071A1 ES 2130071 A1 ES2130071 A1 ES 2130071A1 ES 09700967 A ES09700967 A ES 09700967A ES 9700967 A ES9700967 A ES 9700967A ES 2130071 A1 ES2130071 A1 ES 2130071A1
- Authority
- ES
- Spain
- Prior art keywords
- naphthalene
- obtaining refined
- refined naphthalene
- application
- technical
- 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
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Process for obtaining refined naphthalene from technical naphthalene, in particular that obtained from the chemistry of coal, by means of the sequential combined application of stages of selective catalytic hydrogenation, acid-base extraction and fractional distillation which make it possible to provide customised treatment for each of the impurities present in the technical naphthalene. Application in the chemical and pharmaceutical industry.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700967A ES2130071B1 (en) | 1997-05-06 | 1997-05-06 | PROCEDURE FOR THE OBTAINING OF REFINED NAFTALINE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700967A ES2130071B1 (en) | 1997-05-06 | 1997-05-06 | PROCEDURE FOR THE OBTAINING OF REFINED NAFTALINE. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2130071A1 true ES2130071A1 (en) | 1999-06-16 |
ES2130071B1 ES2130071B1 (en) | 2000-03-01 |
Family
ID=8299190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9700967A Expired - Fee Related ES2130071B1 (en) | 1997-05-06 | 1997-05-06 | PROCEDURE FOR THE OBTAINING OF REFINED NAFTALINE. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2130071B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6157527A (en) * | 1984-08-29 | 1986-03-24 | Nippon Steel Chem Co Ltd | Purification of naphthalane compound |
JPS6357539A (en) * | 1986-08-27 | 1988-03-12 | Sumikin Chem Co Ltd | Purification of naphthalene |
JPH0585960A (en) * | 1991-09-27 | 1993-04-06 | Osaka Gas Co Ltd | Production of purified naphthalene |
JPH05229970A (en) * | 1992-02-24 | 1993-09-07 | Nkk Corp | Hydrorefining of naphthalene |
-
1997
- 1997-05-06 ES ES9700967A patent/ES2130071B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6157527A (en) * | 1984-08-29 | 1986-03-24 | Nippon Steel Chem Co Ltd | Purification of naphthalane compound |
JPS6357539A (en) * | 1986-08-27 | 1988-03-12 | Sumikin Chem Co Ltd | Purification of naphthalene |
JPH0585960A (en) * | 1991-09-27 | 1993-04-06 | Osaka Gas Co Ltd | Production of purified naphthalene |
JPH05229970A (en) * | 1992-02-24 | 1993-09-07 | Nkk Corp | Hydrorefining of naphthalene |
Non-Patent Citations (4)
Title |
---|
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus U.S.A., AN 1986:497185 & JP 61057527 A (NIPPON STEEL CHEMICAL CO, LTD) 24.03.1986 * |
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus U.S.A., AN 1988:630579 & JP 63057539 A (KOKAI TOKKYO KOHO) 12.03.1988 * |
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus U.S.A., AN 1993:495150 & JP 5085960 A (OSAKA GAS CO LTD) 06.04.1993 * |
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service, Columbus U.S.A., AN 1994:54337 & JP 5229970 A (NIPPON KOKAN CO LTD) 07.09.1993 * |
Also Published As
Publication number | Publication date |
---|---|
ES2130071B1 (en) | 2000-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19990616 Kind code of ref document: A1 Effective date: 19990616 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20170825 |