JPS4948319B1 - - Google Patents
Info
- Publication number
- JPS4948319B1 JPS4948319B1 JP45121799A JP12179970A JPS4948319B1 JP S4948319 B1 JPS4948319 B1 JP S4948319B1 JP 45121799 A JP45121799 A JP 45121799A JP 12179970 A JP12179970 A JP 12179970A JP S4948319 B1 JPS4948319 B1 JP S4948319B1
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
- C07C37/52—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes
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- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88972569A | 1969-12-31 | 1969-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4948319B1 true JPS4948319B1 (zh) | 1974-12-20 |
Family
ID=25395676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45121799A Pending JPS4948319B1 (zh) | 1969-12-31 | 1970-12-29 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4948319B1 (zh) |
| DE (1) | DE2064108B2 (zh) |
| FR (1) | FR2074460A5 (zh) |
| GB (1) | GB1340869A (zh) |
| NL (1) | NL167950C (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002193863A (ja) * | 2000-12-22 | 2002-07-10 | Mitsui Chemicals Inc | ビスフェノールａの開裂回収方法 |
| CN109790284A (zh) * | 2016-09-14 | 2019-05-21 | 三菱化学株式会社 | 多元酚化合物及其制造方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5814410B2 (ja) * | 1978-08-14 | 1983-03-18 | 三井東圧化学株式会社 | ジフエニロ−ルアルカンの開裂方法 |
| US4954661A (en) * | 1988-03-11 | 1990-09-04 | Mitsui Toatsu Chemicals, Inc. | Process for preparing high-purity bisphenol A |
| US4847433A (en) * | 1988-05-23 | 1989-07-11 | General Electric Company | Process for preparing bisphenol-A |
| CN114874798B (zh) * | 2022-06-02 | 2023-07-04 | 洛阳昊海环保科技有限公司 | 一种双酚a焦油的资源化处理装置及方法 |
-
1970
- 1970-12-28 DE DE2064108A patent/DE2064108B2/de active Pending
- 1970-12-29 JP JP45121799A patent/JPS4948319B1/ja active Pending
- 1970-12-30 GB GB6185170A patent/GB1340869A/en not_active Expired
- 1970-12-30 NL NL7019005A patent/NL167950C/xx not_active IP Right Cessation
- 1970-12-30 FR FR7047265A patent/FR2074460A5/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002193863A (ja) * | 2000-12-22 | 2002-07-10 | Mitsui Chemicals Inc | ビスフェノールａの開裂回収方法 |
| CN109790284A (zh) * | 2016-09-14 | 2019-05-21 | 三菱化学株式会社 | 多元酚化合物及其制造方法 |
| US10851039B2 (en) | 2016-09-14 | 2020-12-01 | Mitsubishi Chemical Corporation | Polyhydric phenol compound and method of producing same |
| CN109790284B (zh) * | 2016-09-14 | 2021-09-21 | 三菱化学株式会社 | 多元酚化合物及其制造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL167950B (nl) | 1981-09-16 |
| FR2074460A5 (zh) | 1971-10-01 |
| DE2064108A1 (de) | 1971-07-01 |
| DE2064108B2 (de) | 1974-09-26 |
| NL167950C (nl) | 1982-02-16 |
| GB1340869A (en) | 1973-12-19 |
| NL7019005A (zh) | 1971-07-02 |