TW214543B - - Google Patents
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- Publication number
- TW214543B TW214543B TW081109456A TW81109456A TW214543B TW 214543 B TW214543 B TW 214543B TW 081109456 A TW081109456 A TW 081109456A TW 81109456 A TW81109456 A TW 81109456A TW 214543 B TW214543 B TW 214543B
- Authority
- TW
- Taiwan
- Prior art keywords
- catalyst
- reaction
- patent application
- temperature
- phosphoric acid
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000006703 hydration reaction Methods 0.000 claims abstract description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- AKXKFZDCRYJKTF-UHFFFAOYSA-N 3-Hydroxypropionaldehyde Chemical compound OCCC=O AKXKFZDCRYJKTF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000000524 functional group Chemical group 0.000 claims abstract description 4
- 239000011949 solid catalyst Substances 0.000 claims abstract description 4
- 239000004408 titanium dioxide Substances 0.000 claims abstract 3
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000002378 acidificating effect Effects 0.000 claims description 14
- 239000011541 reaction mixture Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005984 hydrogenation reaction Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims description 2
- 238000004939 coking Methods 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims 1
- 150000003016 phosphoric acids Chemical class 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 abstract description 44
- 239000002253 acid Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 5
- 230000036571 hydration Effects 0.000 abstract description 5
- 150000007519 polyprotic acids Polymers 0.000 abstract 1
- 230000001698 pyrogenic effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 230000002079 cooperative effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000002638 heterogeneous catalyst Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 3
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000011964 heteropoly acid Substances 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- BSABBBMNWQWLLU-UHFFFAOYSA-N hydroxypropionaldehyde Natural products CC(O)C=O BSABBBMNWQWLLU-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- LKVFCSWBKOVHAH-UHFFFAOYSA-N 4-Ethoxyphenol Chemical compound CCOC1=CC=C(O)C=C1 LKVFCSWBKOVHAH-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002815 homogeneous catalyst Substances 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/64—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of functional groups containing oxygen only in singly bound form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (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 |
|---|---|---|---|
| DE4138982A DE4138982A1 (de) | 1991-11-27 | 1991-11-27 | Verfahren zur herstellung von 3-hydroxyalkanalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW214543B true TW214543B (enExample) | 1993-10-11 |
Family
ID=6445690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081109456A TW214543B (enExample) | 1991-11-27 | 1992-11-25 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5276201A (enExample) |
| EP (1) | EP0544120B1 (enExample) |
| JP (1) | JP3385050B2 (enExample) |
| KR (1) | KR930009972A (enExample) |
| AT (1) | ATE125245T1 (enExample) |
| CA (1) | CA2083864C (enExample) |
| DE (2) | DE4138982A1 (enExample) |
| TW (1) | TW214543B (enExample) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4218282A1 (de) * | 1992-06-03 | 1993-12-09 | Degussa | Verfahren zur Herstellung von 1,3-Propandiol |
| DE4238492C2 (de) * | 1992-11-14 | 1995-06-14 | Degussa | Verfahren zur Herstellung von 1,2- und 1,3-Propandiol |
| DE4326575C2 (de) * | 1993-08-07 | 1997-09-18 | Degussa | Verfahren zur Dotierung strömender Gewässer mit Acrolein und Vorrichtung zu seiner Durchführung |
| JP3342973B2 (ja) | 1994-11-22 | 2002-11-11 | 株式会社日本触媒 | ヒドロキシアルカナールの製造方法 |
| US5811591A (en) | 1994-11-22 | 1998-09-22 | Nippon Shokubai Co., Ltd. | Process of producing hydroxyalkanal |
| JP3274301B2 (ja) * | 1994-11-22 | 2002-04-15 | 株式会社日本触媒 | ヒドロキシアルカナールの製造方法 |
| JP3826161B2 (ja) * | 1995-06-08 | 2006-09-27 | 株式会社 日本触媒 | バナジウム含有触媒およびその製造方法、並びに、その使用方法 |
| US6281378B1 (en) | 1995-06-08 | 2001-08-28 | Nippon Shokubai Co., Ltd. | Vanadium-containing catalysts, process for manufacturing and use of the same |
| DE19612783A1 (de) * | 1996-03-29 | 1997-10-02 | Degussa | Phosphorsäurekatalysator und seine Verwendung |
| EP1015426A1 (de) * | 1997-09-03 | 2000-07-05 | Basf Aktiengesellschaft | Als katalysator geeignete formmassen |
| US6284930B1 (en) | 1999-07-30 | 2001-09-04 | E.I. Du Pont De Nemours And Company | Process for the preparation of 3-hydroxypropanal |
| US6342646B1 (en) | 1999-07-30 | 2002-01-29 | E. I. Du Pont De Nemours And Company | Catalytic hydrogenation of 3-hydroxypropanal to 1,3-propanediol |
| US6911566B2 (en) | 2001-03-02 | 2005-06-28 | Asahi Kasei Kabushiki Kaisha | Process for producing 1,3-propanediol |
| US7276634B2 (en) | 2002-10-03 | 2007-10-02 | Shell Oil Company | Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol |
| MXPA04012278A (es) * | 2002-12-23 | 2005-02-25 | Du Pont | Proceso de fibra bicomponente de poli(tereftalato de trimetileno). |
| US7084311B2 (en) * | 2003-05-06 | 2006-08-01 | E. I. Du Pont De Nemours And Company | Hydrogenation of chemically derived 1,3-propanediol |
| US7342142B2 (en) * | 2003-05-06 | 2008-03-11 | E.I. Du Pont De Nemours And Company | Hydrogenation of polytrimethylene ether glycol |
| US7323539B2 (en) * | 2003-05-06 | 2008-01-29 | E. I. Du Pont De Nemours And Company | Polytrimethylene ether glycol and polytrimethylene ether ester with excellent quality |
| US20070035057A1 (en) * | 2003-06-26 | 2007-02-15 | Chang Jing C | Poly(trimethylene terephthalate) bicomponent fiber process |
| MXPA06003819A (es) * | 2003-10-07 | 2006-08-11 | Shell Int Research | Proceso para la produccion de 1,3-propanodiol por hidrogenacion catalitica de 3-hidroxipropanal en la presencia de un co-catalizador de hidratacion. |
| US20080103217A1 (en) | 2006-10-31 | 2008-05-01 | Hari Babu Sunkara | Polyether ester elastomer composition |
| US7074969B2 (en) * | 2004-06-18 | 2006-07-11 | E.I. Du Pont De Nemours And Company | Process for preparation of polytrimethylene ether glycols |
| US20060041039A1 (en) * | 2004-08-20 | 2006-02-23 | Gyorgyi Fenyvesi | Fluorescent poly(alkylene terephthalate) compositions |
| US7358211B2 (en) * | 2004-11-24 | 2008-04-15 | E.I. Du Pont De Nemours And Company | Catalyst for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal |
| US7396896B2 (en) * | 2004-12-21 | 2008-07-08 | E.I. Dupont De Nemours And Company | Poly(trimethylene terephthalate) composition and shaped articles prepared therefrom |
| EP2270065A3 (en) | 2004-12-21 | 2011-03-09 | E. I. du Pont de Nemours and Company | Poly(trimethylene terephthalate) composition and shaped articles prepared therefrom |
| US7629396B2 (en) * | 2005-02-23 | 2009-12-08 | E.I. Du Pont De Nemours And Company | Silicon-containing polytrimethylene homo- for copolyether composition |
| US20060189711A1 (en) * | 2005-02-23 | 2006-08-24 | Ng Howard C | Silicon-containing polytrimethylene homo- or copolyether composition |
| US20060247378A1 (en) * | 2005-05-02 | 2006-11-02 | Sunkara Hari B | Thermoplastic elastomer blend, method of manufacture and use thereof |
| US7244790B2 (en) * | 2005-05-02 | 2007-07-17 | E.I. Du Pont De Nemours And Company | Thermoplastic elastomer blend, method of manufacture and use thereof |
| US7157607B1 (en) | 2005-08-16 | 2007-01-02 | E. I. Du Pont De Nemours And Company | Manufacture of polytrimethylene ether glycol |
| US7161045B1 (en) | 2005-08-16 | 2007-01-09 | E. I. Du Pont De Nemours And Company | Process for manufacture of polytrimethylene ether glycol |
| US7357985B2 (en) * | 2005-09-19 | 2008-04-15 | E.I. Du Pont De Nemours And Company | High crimp bicomponent fibers |
| US20070129524A1 (en) * | 2005-12-06 | 2007-06-07 | Sunkara Hari B | Thermoplastic polyurethanes comprising polytrimethylene ether soft segments |
| US20070128459A1 (en) * | 2005-12-07 | 2007-06-07 | Kurian Joseph V | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) films |
| US7666501B2 (en) * | 2005-12-07 | 2010-02-23 | E. I. Du Pont De Nemours And Company | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) bi-constituent filaments |
| US20070129503A1 (en) * | 2005-12-07 | 2007-06-07 | Kurian Joseph V | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) molded, shaped articles |
| US7388115B2 (en) * | 2006-01-20 | 2008-06-17 | E. I. Du Pont De Nemours And Company | Manufacture of polytrimethylene ether glycol |
| US7164046B1 (en) | 2006-01-20 | 2007-01-16 | E. I. Du Pont De Nemours And Company | Manufacture of polytrimethylene ether glycol |
| US20070203371A1 (en) * | 2006-01-23 | 2007-08-30 | Sunkara Hari B | Process for producing polytrimethylene ether glycol |
| US20080039582A1 (en) * | 2006-07-28 | 2008-02-14 | Hari Babu Sunkara | Polytrimethylene ether-based polyurethane ionomers |
| US7531593B2 (en) * | 2006-10-31 | 2009-05-12 | E.I. Du Pont De Nemours And Company | Thermoplastic elastomer blend composition |
| US20080108845A1 (en) * | 2006-11-07 | 2008-05-08 | Hari Babu Sunkara | Polytrimethylene ether glycol esters |
| US20080135662A1 (en) * | 2006-12-06 | 2008-06-12 | Chang Jing C | Melt-spun elastoester multifilament yarns |
| US7714174B2 (en) * | 2007-03-27 | 2010-05-11 | E. I. Du Pont De Nemours And Company | Lower-color polytrimethylene ether glycol using hydride compounds |
| EP2181181A1 (en) * | 2007-08-24 | 2010-05-05 | E. I. du Pont de Nemours and Company | Lubrication oil compositions |
| US8703681B2 (en) | 2007-08-24 | 2014-04-22 | E I Du Pont De Nemours And Company | Lubrication oil compositions |
| CN101802149A (zh) * | 2007-08-24 | 2010-08-11 | 纳幕尔杜邦公司 | 润滑油组合物 |
| WO2009029477A1 (en) * | 2007-08-24 | 2009-03-05 | E. I. Du Pont De Nemours And Company | Lubrication oil compositions |
| BRPI0815293A2 (pt) * | 2007-08-24 | 2017-05-09 | Du Pont | "composição de óleo lubrificante" |
| US7919017B2 (en) * | 2007-11-12 | 2011-04-05 | E. I. Du Pont De Nemours And Company | Electrical insulation fluids for use in electrical apparatus |
| US8951546B2 (en) * | 2008-12-23 | 2015-02-10 | Surmodics Pharmaceuticals, Inc. | Flexible implantable composites and implants comprising same |
| US20100267994A1 (en) * | 2009-04-16 | 2010-10-21 | E. I. Du Pont De Nemours And Company | Processes for preparing polytrimethylene glycol using ion exchange resins |
| US8247526B2 (en) | 2010-12-20 | 2012-08-21 | E I Du Pont De Nemours And Company | Process for the preparation of polyalkylene ether glycol |
| WO2012148849A2 (en) | 2011-04-26 | 2012-11-01 | E. I. Du Pont De Nemours And Company | Processes for preparing polytrimethylene ether glycol |
| US8759559B2 (en) | 2012-04-18 | 2014-06-24 | E I Du Pont De Nemours And Company | Processes for preparing polytrimethylene ether glycol esters |
| US9527953B2 (en) | 2012-11-19 | 2016-12-27 | Samsung Electronics Co., Ltd. | Continuous preparation for polyester |
| CN113277933B (zh) * | 2021-06-04 | 2022-12-02 | 江苏扬农化工集团有限公司 | 一种连续催化精馏制备3-羟基丙醛的方法及装置 |
| CN114349619B (zh) * | 2022-01-13 | 2024-01-30 | 江苏扬农化工集团有限公司 | 一种烯醛水合反应制羟基醛的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434110A (en) * | 1942-08-24 | 1948-01-06 | Shell Dev | Process for hydrating olefinic aldehydes |
| US3536763A (en) * | 1967-08-30 | 1970-10-27 | Du Pont | Hydration of acrolein to hydracrylaldehyde |
| US3518310A (en) * | 1968-02-09 | 1970-06-30 | Shell Oil Co | Preparation of beta-hydroxypropionaldehyde and beta-alkoxypropionaldehydes |
| DE3926136A1 (de) * | 1989-08-08 | 1991-02-14 | Degussa | Verfahren zur herstellung von 1,3-propandiol |
| DE4038192A1 (de) * | 1990-11-30 | 1992-06-04 | Degussa | Verfahren zur herstellung von 1,3-propandiol |
-
1991
- 1991-11-27 DE DE4138982A patent/DE4138982A1/de not_active Withdrawn
-
1992
- 1992-10-30 DE DE59202951T patent/DE59202951D1/de not_active Expired - Lifetime
- 1992-10-30 EP EP92118583A patent/EP0544120B1/de not_active Expired - Lifetime
- 1992-10-30 AT AT92118583T patent/ATE125245T1/de not_active IP Right Cessation
- 1992-11-24 US US07/981,324 patent/US5276201A/en not_active Expired - Lifetime
- 1992-11-25 TW TW081109456A patent/TW214543B/zh not_active IP Right Cessation
- 1992-11-26 CA CA002083864A patent/CA2083864C/en not_active Expired - Fee Related
- 1992-11-26 KR KR1019920022402A patent/KR930009972A/ko not_active Withdrawn
- 1992-11-26 JP JP31700092A patent/JP3385050B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3385050B2 (ja) | 2003-03-10 |
| US5276201A (en) | 1994-01-04 |
| DE4138982A1 (de) | 1993-06-03 |
| DE59202951D1 (de) | 1995-08-24 |
| CA2083864A1 (en) | 1993-05-28 |
| JPH05221912A (ja) | 1993-08-31 |
| KR930009972A (ko) | 1993-06-21 |
| ATE125245T1 (de) | 1995-08-15 |
| EP0544120B1 (de) | 1995-07-19 |
| EP0544120A1 (de) | 1993-06-02 |
| CA2083864C (en) | 2002-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |