FR2051042A5 - - Google Patents
Info
- Publication number
- FR2051042A5 FR2051042A5 FR7021346A FR7021346A FR2051042A5 FR 2051042 A5 FR2051042 A5 FR 2051042A5 FR 7021346 A FR7021346 A FR 7021346A FR 7021346 A FR7021346 A FR 7021346A FR 2051042 A5 FR2051042 A5 FR 2051042A5
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/50—Use of additives, e.g. for stabilisation
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/22—Accessories
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4561369A JPS541284B1 (fr) | 1969-06-10 | 1969-06-10 | |
JP4988869A JPS506450B1 (fr) | 1969-06-24 | 1969-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2051042A5 true FR2051042A5 (fr) | 1971-04-02 |
Family
ID=26385635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7021346A Expired FR2051042A5 (fr) | 1969-06-10 | 1970-06-10 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3674651A (fr) |
DE (1) | DE2028183B2 (fr) |
FR (1) | FR2051042A5 (fr) |
GB (1) | GB1307582A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0323436A2 (fr) * | 1988-01-04 | 1989-07-05 | Dow Corning Corporation | Méthode pour préparer et pour stabiliser des halosilanes fonctionnalisés pour un groupement acryle |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130910A (en) * | 1962-05-21 | 1964-04-28 | Delavan Mfg Company | Hydraulic atomizing spray gun |
US3855075A (en) * | 1972-04-03 | 1974-12-17 | American Cyanamid Co | Method of purification of acrylamide by distillation with a polymer inhibitor |
DE2235326A1 (de) * | 1972-07-19 | 1974-02-07 | Degussa | Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren |
US4021310A (en) * | 1972-12-22 | 1977-05-03 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for inhibiting the polymerization of acrylic acid or its esters |
JPS5761015B2 (fr) * | 1974-01-16 | 1982-12-22 | Nippon Shokubai Kagaku Kogyo Kk | |
JPS5265593A (en) * | 1975-11-26 | 1977-05-31 | Mitsubishi Chem Ind Ltd | Preparation of dried water-soluble polymers |
US4144137A (en) * | 1976-12-13 | 1979-03-13 | Rohm And Haas Company | Method for removal of polymerization inhibitor |
US4177110A (en) * | 1978-07-18 | 1979-12-04 | Cosden Technology, Inc. | Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility |
US4260821A (en) * | 1979-03-15 | 1981-04-07 | Halcon Research And Development Corp. | Minimizing polymerization during recovery of methacrylic acid |
US4466905A (en) * | 1983-04-11 | 1984-08-21 | Cosden Technology, Inc. | Polymerization inhibition process for vinyl aromatic compounds |
US4468343A (en) * | 1983-04-11 | 1984-08-28 | Cosden Technology, Inc. | Polymerization co-inhibitors for vinyl aromatic compounds |
US4797504A (en) * | 1986-10-07 | 1989-01-10 | Betz Laboratories, Inc. | Method and composition for inhibiting acrylate ester polymerization |
US5034156A (en) * | 1988-04-18 | 1991-07-23 | Mallinckrodt Specialty Chemicals Company | Method for inhibiting the polymerization of acrylic acid |
US4912247A (en) * | 1989-01-19 | 1990-03-27 | Betz Laboratories, Ltd. | Enhancement of aromatic amine inhibition of acrylate monomer polymerization by addition of mannich products |
US5221764A (en) * | 1992-02-18 | 1993-06-22 | Betz Laboratories, Inc. | Methods and compositions for inhibiting acrylic acid polymerization |
US5208370A (en) * | 1992-04-22 | 1993-05-04 | Rohm And Haas Co. | Method of reducing impurities in aqueous acrylic monomer solutions |
US5240469A (en) * | 1992-04-27 | 1993-08-31 | Nalco Chemical Company | Antifoulant composition comprising an acrylate ester containing C4 -C22 alcohol esters and amino alcohol esters and phenylene diamine |
US5648574A (en) * | 1992-10-21 | 1997-07-15 | Betzdearborn Inc. | Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
US5571386A (en) * | 1994-05-31 | 1996-11-05 | Rohm And Haas Company | Process for grade acrylic acid |
US5759358A (en) * | 1994-05-31 | 1998-06-02 | Rohm And Haas Company | Process for pure grade acrylic acid |
US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
ES2143067T3 (es) * | 1994-08-18 | 2000-05-01 | Ici Plc | Procedimiento para la preparacion de esteres acrilicos refinados. |
US5648573A (en) * | 1995-06-12 | 1997-07-15 | Betzdearborn Inc. | Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
US6024894A (en) * | 1998-03-25 | 2000-02-15 | Betzdearborn Inc. | Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
US5907071A (en) * | 1998-04-21 | 1999-05-25 | Betzdearborn Inc. | Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
JP4242964B2 (ja) | 1999-03-09 | 2009-03-25 | 株式会社日本触媒 | (メタ)アクリル酸および/またはそのエステルの精製方法 |
JP4143218B2 (ja) * | 1999-04-23 | 2008-09-03 | 株式会社日本触媒 | 薄膜式蒸発装置における重合防止方法および薄膜式蒸発装置 |
JP4698778B2 (ja) * | 1999-06-03 | 2011-06-08 | 株式会社日本触媒 | (メタ)アクリル酸(エステル)の精製方法 |
US6376728B1 (en) | 2000-06-20 | 2002-04-23 | Hercules Incorporated | Method, composition and mixture for inhibiting monomer polymerization |
JP4001454B2 (ja) * | 2000-07-21 | 2007-10-31 | 株式会社日本触媒 | 精製塔の停止方法 |
AU2002346923A1 (en) * | 2001-10-19 | 2003-05-06 | Basf Aktiengesellschaft | Inhibitor mixture for (meth)acrylic acid and (meth)acrylic acid ester |
DE102009058058A1 (de) | 2009-12-14 | 2011-06-16 | Basf Se | Verfahren zur Polymerisationsinhibierung von (Meth)acrylsäure und/oder Meth)acrylsäureestern |
EP3593205A4 (fr) | 2017-03-09 | 2020-11-25 | E Ink California, LLC | Inhibiteurs de polymérisation induits photo-thermiquement destinés à des supports électrophorétiques |
TW202114976A (zh) | 2019-10-11 | 2021-04-16 | 美商藝康美國公司 | 醌甲基化物及銨鹽抗聚合劑組合物及方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2388041A (en) * | 1941-07-26 | 1945-10-30 | Goodrich Co B F | Process for the extraction of butadiene |
US2399340A (en) * | 1942-07-16 | 1946-04-30 | United Gas Improvement Co | Distillation of aromatic olefins |
US2863851A (en) * | 1955-06-27 | 1958-12-09 | Rohm & Haas | Stabilization of polymerizable materials |
US3239433A (en) * | 1962-05-31 | 1966-03-08 | Phillips Petroleum Co | Addition of oxygen during methylvinyl-pyridine distillation to prevent polymerization |
US3366702A (en) * | 1965-05-03 | 1968-01-30 | Marathon Oil Co | Preparation of unsaturated hydrocarbons by pyrolysis, and related compositions |
US3433831A (en) * | 1965-06-30 | 1969-03-18 | Asahi Chemical Ind | Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system |
US3527677A (en) * | 1969-03-06 | 1970-09-08 | Goodrich Co B F | Process for dehydration of aqueous acrylic acid solutions by extractive - azeotropic distillation with 2-ethylhexanol or 2-ethylhexylacrylate |
-
1970
- 1970-06-09 DE DE2028183A patent/DE2028183B2/de active Pending
- 1970-06-09 GB GB2797070A patent/GB1307582A/en not_active Expired
- 1970-06-10 US US45213A patent/US3674651A/en not_active Expired - Lifetime
- 1970-06-10 FR FR7021346A patent/FR2051042A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0323436A2 (fr) * | 1988-01-04 | 1989-07-05 | Dow Corning Corporation | Méthode pour préparer et pour stabiliser des halosilanes fonctionnalisés pour un groupement acryle |
EP0323436A3 (en) * | 1988-01-04 | 1990-10-31 | Dow Corning Corporation | Method for preparing and stabilizing acryl-functional halosilanes |
Also Published As
Publication number | Publication date |
---|---|
US3674651A (en) | 1972-07-04 |
DE2028183A1 (fr) | 1972-02-17 |
GB1307582A (en) | 1973-02-21 |
DE2028183B2 (de) | 1975-09-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |