JPS4931972B1 - - Google Patents
Info
- Publication number
- JPS4931972B1 JPS4931972B1 JP45104035A JP10403570A JPS4931972B1 JP S4931972 B1 JPS4931972 B1 JP S4931972B1 JP 45104035 A JP45104035 A JP 45104035A JP 10403570 A JP10403570 A JP 10403570A JP S4931972 B1 JPS4931972 B1 JP S4931972B1
- Authority
- JP
- Japan
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45104035A JPS4931972B1 (fr) | 1970-11-27 | 1970-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45104035A JPS4931972B1 (fr) | 1970-11-27 | 1970-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4931972B1 true JPS4931972B1 (fr) | 1974-08-27 |
Family
ID=14369958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45104035A Pending JPS4931972B1 (fr) | 1970-11-27 | 1970-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4931972B1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665200A (en) * | 1984-05-21 | 1987-05-12 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for preparing pyromellitic acid and/or pyromellitic anhydride |
| US5663114A (en) * | 1993-10-22 | 1997-09-02 | Nippon Shokubai Co., Ltd. | Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride |
| EP0945180A3 (fr) * | 1998-03-17 | 2000-06-14 | Nippon Shokubai Co., Ltd. | Catalyseur et procédé pour la préparation de dianhydride pyromellitique |
-
1970
- 1970-11-27 JP JP45104035A patent/JPS4931972B1/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665200A (en) * | 1984-05-21 | 1987-05-12 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for preparing pyromellitic acid and/or pyromellitic anhydride |
| US5663114A (en) * | 1993-10-22 | 1997-09-02 | Nippon Shokubai Co., Ltd. | Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride |
| EP0945180A3 (fr) * | 1998-03-17 | 2000-06-14 | Nippon Shokubai Co., Ltd. | Catalyseur et procédé pour la préparation de dianhydride pyromellitique |