JPS53101347A - Method for purification of crude diphenol - Google Patents
Method for purification of crude diphenolInfo
- Publication number
- JPS53101347A JPS53101347A JP15755777A JP15755777A JPS53101347A JP S53101347 A JPS53101347 A JP S53101347A JP 15755777 A JP15755777 A JP 15755777A JP 15755777 A JP15755777 A JP 15755777A JP S53101347 A JPS53101347 A JP S53101347A
- Authority
- JP
- Japan
- Prior art keywords
- purification
- diphenol
- crude
- crude diphenol
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/06—Separation; Purification; Stabilisation; Use of additives
-
- 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
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/041,642 US4242527A (en) | 1977-12-28 | 1979-05-23 | Process for purifying crude diphenols |
US06/156,953 US4320234A (en) | 1977-12-28 | 1980-06-06 | Process for purifying crude diphenols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75598276A | 1976-12-30 | 1976-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53101347A true JPS53101347A (en) | 1978-09-04 |
Family
ID=25041513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15755777A Pending JPS53101347A (en) | 1976-12-30 | 1977-12-28 | Method for purification of crude diphenol |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53101347A (en) |
DE (1) | DE2758565A1 (en) |
FR (1) | FR2376109A1 (en) |
NL (1) | NL7714564A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639030A (en) * | 1979-09-07 | 1981-04-14 | Sumitomo Chem Co Ltd | Purification of p,p'-biphenols |
JPS62138443A (en) * | 1985-12-11 | 1987-06-22 | Mitsui Toatsu Chem Inc | Production of biscresol |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300000A (en) | 1977-12-28 | 1981-11-10 | General Electric Company | Process for the recovery of 2,2-bis(4-hydroxyphenyl)propane |
US4414422A (en) * | 1982-05-10 | 1983-11-08 | The Dow Chemical Company | Purification of 4,4-dihydroxybiphenyl |
US4950806A (en) * | 1988-02-22 | 1990-08-21 | Mitsui Toatsu Chemicals, Inc. | Process for crystallizing adduct of bisphenol A with phenol |
DE3900680C1 (en) * | 1989-01-12 | 1989-11-09 | Bayer Ag, 5090 Leverkusen, De | |
US4992598A (en) * | 1990-02-09 | 1991-02-12 | Hoechst Celanese Corporation | Purification of 1, 1, 1-tris(4'-hydroxyphenyl)ethane |
-
1977
- 1977-12-28 FR FR7739515A patent/FR2376109A1/en not_active Withdrawn
- 1977-12-28 JP JP15755777A patent/JPS53101347A/en active Pending
- 1977-12-29 NL NL7714564A patent/NL7714564A/en not_active Application Discontinuation
- 1977-12-29 DE DE19772758565 patent/DE2758565A1/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639030A (en) * | 1979-09-07 | 1981-04-14 | Sumitomo Chem Co Ltd | Purification of p,p'-biphenols |
JPS631928B2 (en) * | 1979-09-07 | 1988-01-14 | Sumitomo Chemical Co | |
JPS62138443A (en) * | 1985-12-11 | 1987-06-22 | Mitsui Toatsu Chem Inc | Production of biscresol |
JPH0446253B2 (en) * | 1985-12-11 | 1992-07-29 | Mitsui Toatsu Chemicals |
Also Published As
Publication number | Publication date |
---|---|
FR2376109A1 (en) | 1978-07-28 |
DE2758565A1 (en) | 1978-07-06 |
NL7714564A (en) | 1978-07-04 |
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