TW558555B - Continuous process for the manufacture of anhydro sugar alcohols and reactor useful therefor - Google Patents
Continuous process for the manufacture of anhydro sugar alcohols and reactor useful therefor Download PDFInfo
- Publication number
- TW558555B TW558555B TW090112665A TW90112665A TW558555B TW 558555 B TW558555 B TW 558555B TW 090112665 A TW090112665 A TW 090112665A TW 90112665 A TW90112665 A TW 90112665A TW 558555 B TW558555 B TW 558555B
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- TW
- Taiwan
- Prior art keywords
- patent application
- item
- scope
- reaction
- reactor
- Prior art date
Links
- 150000005846 sugar alcohols Chemical class 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000010924 continuous production Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 35
- 230000018044 dehydration Effects 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 29
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 229960002479 isosorbide Drugs 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 14
- KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical group O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 claims description 13
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 11
- 239000000600 sorbitol Substances 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 8
- 239000000376 reactant Substances 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 208000005156 Dehydration Diseases 0.000 description 18
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical class OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 13
- 229960002920 sorbitol Drugs 0.000 description 11
- 239000002253 acid Substances 0.000 description 8
- 239000003377 acid catalyst Substances 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 6
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- -1 isosorbide anhydride Chemical class 0.000 description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- AMAGACYPTJIFOB-UHFFFAOYSA-N 1-butyl-1,2,3,3a-tetrahydropyrene Chemical compound C(CCC)C1CCC2C=CC3=CC=CC4=CC=C1C2=C34 AMAGACYPTJIFOB-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- HEBKCHPVOIAQTA-QWWZWVQMSA-N D-arabinitol Chemical compound OC[C@@H](O)C(O)[C@H](O)CO HEBKCHPVOIAQTA-QWWZWVQMSA-N 0.000 description 1
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
- UNXHWFMMPAWVPI-QWWZWVQMSA-N D-threitol Chemical compound OC[C@@H](O)[C@H](O)CO UNXHWFMMPAWVPI-QWWZWVQMSA-N 0.000 description 1
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- HEBKCHPVOIAQTA-NGQZWQHPSA-N d-xylitol Chemical compound OC[C@H](O)C(O)[C@H](O)CO HEBKCHPVOIAQTA-NGQZWQHPSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexol Chemical compound OCC(O)C(O)C(O)C(O)CO FBPFZTCFMRRESA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003399 sorbose derivatives Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20731300P | 2000-05-26 | 2000-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW558555B true TW558555B (en) | 2003-10-21 |
Family
ID=22770000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW090112665A TW558555B (en) | 2000-05-26 | 2001-05-25 | Continuous process for the manufacture of anhydro sugar alcohols and reactor useful therefor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6407266B2 (https=) |
| EP (1) | EP1294727A2 (https=) |
| JP (1) | JP2003535085A (https=) |
| CN (1) | CN1430619A (https=) |
| AU (1) | AU2001264848A1 (https=) |
| TW (1) | TW558555B (https=) |
| WO (1) | WO2001092246A2 (https=) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6670033B1 (en) * | 1999-01-11 | 2003-12-30 | E. I. Du Pont De Nemours And Company | Process and products of purification of anhydrosugar alcohols |
| US7439352B2 (en) * | 2000-11-01 | 2008-10-21 | Archer-Daniels-Midland Company | Process for the production of anhydrosugar alcohols |
| US6849748B2 (en) | 2000-11-01 | 2005-02-01 | Archer-Daniels-Midland Company | Process for the production of anhydrosugar alcohols |
| US6818781B2 (en) | 2002-04-17 | 2004-11-16 | E. I. Du Pont De Nemours And Company | Simultaneous reaction and separation process for the manufacture of dianhydro sugar alcohols |
| US6867296B2 (en) * | 2002-04-17 | 2005-03-15 | E. I. Du Pont De Nemours And Company | Recovery and purification of anhydro sugar alcohols from a vapor stream |
| US6864378B2 (en) * | 2002-04-17 | 2005-03-08 | E. I. Du Pont De Nemours And Company | Integrated continuous process for anhydro sugar alcohol manufacture |
| US6831181B2 (en) | 2002-04-17 | 2004-12-14 | E. I. Dupont De Nemours And Co. | High yield byproduct recycle process for anhydro sugar alcohols |
| US6914120B2 (en) * | 2002-11-13 | 2005-07-05 | Eastman Chemical Company | Method for making isosorbide containing polyesters |
| US7615652B2 (en) * | 2006-01-26 | 2009-11-10 | Battelle Memorial Institute | Two-stage dehydration of sugars |
| US7649099B2 (en) * | 2006-01-26 | 2010-01-19 | Battelle Memorial Institute | Method of forming a dianhydrosugar alcohol |
| US7728156B2 (en) | 2006-01-26 | 2010-06-01 | Battelle Memorial Institute | Method of performing sugar dehydration and catalyst treatment |
| US7772412B2 (en) * | 2006-01-26 | 2010-08-10 | Battelle Memorial Institute | Methods for dehydration of sugars and sugar alcohols |
| PL1999134T3 (pl) | 2006-03-09 | 2016-04-29 | Archer Daniels Midland Co | Sposób wytwarzania alkoholi anhydrocukrowych |
| GB0702854D0 (en) * | 2007-01-09 | 2007-03-28 | Tate & Lyle Plc | Method for the synthesis of sucrose-6-esters |
| EP2146998B1 (en) * | 2007-04-06 | 2012-03-07 | Sud-Chemie, Inc. | Sorbitol conversion process |
| US8092804B2 (en) | 2007-12-21 | 2012-01-10 | Medimmune Limited | Binding members for interleukin-4 receptor alpha (IL-4Rα)-173 |
| EP2100972A1 (en) | 2008-03-13 | 2009-09-16 | BIOeCON International Holding N.V. | Process for converting polysaccharides in a molten salt hydrate |
| US9765084B2 (en) * | 2008-04-10 | 2017-09-19 | Iowa Corn Promotion Board | Recovery and refining of dianhydrosugars |
| US9120806B2 (en) * | 2008-04-10 | 2015-09-01 | Iowa Corn Promotion Board | Dianhydrosugar production process |
| WO2010106052A1 (en) | 2009-03-17 | 2010-09-23 | Bioecon International Holding N.V. | Process for converting polysaccharides in an inorganic molten salt hydrate |
| WO2010106057A1 (en) | 2009-03-17 | 2010-09-23 | Bioecon International Holding N.V. | Process for converting polysaccharides in an inorganic molten salt hydrate |
| WO2010106055A1 (en) | 2009-03-17 | 2010-09-23 | Bioecon International Holding N.V. | Process for converting polysaccharides in an inorganic molten salt hydrate |
| WO2010106053A2 (en) | 2009-03-17 | 2010-09-23 | Bioecon International Holding N.V. | Process for converting polysaccharides in an inorganic molten salt hydrate |
| US9266898B2 (en) * | 2010-12-17 | 2016-02-23 | Cargill, Incorporated | Reaction product from the co-dehydration of a sugar alcohol and a polyol |
| WO2012083149A1 (en) * | 2010-12-17 | 2012-06-21 | Cargill, Incorporated | Reaction product from the dehydration of sorbitol |
| CN102603760A (zh) * | 2011-01-24 | 2012-07-25 | 华东理工大学 | 一种抗心绞痛药物单硝酸异山梨醇酯的合成方法 |
| CN103649095B (zh) * | 2011-06-02 | 2016-01-20 | 株式会社三养吉尼克斯 | 制备脱水糖醇的方法 |
| KR101475385B1 (ko) * | 2012-10-15 | 2014-12-23 | 주식회사 삼양제넥스 | 하나 이상의 관통부를 갖는 격벽을 내부에 포함하는 반응기를 이용한 무수당 알코올의 제조방법 |
| KR101631579B1 (ko) * | 2013-02-22 | 2016-06-17 | 주식회사 삼양사 | 수소화 당의 연속 탈수반응을 통한 무수당 알코올의 제조방법 |
| KR101615963B1 (ko) * | 2013-02-22 | 2016-04-28 | 주식회사 삼양사 | 스크류-타입의 연속식 반응기를 이용한 무수당 알코올의 제조방법 |
| US9517584B2 (en) | 2013-12-18 | 2016-12-13 | Eastman Chemical Company | Articles comprising isosorbide and processes for their manufacture |
| JP2017513841A (ja) * | 2014-04-10 | 2017-06-01 | アーチャー−ダニエルズ−ミッドランド カンパニー | 還元糖アルコール、フラン誘導体の合成 |
| US9856195B2 (en) * | 2014-04-10 | 2018-01-02 | Archer-Daniels Midland Company | Phosphonic acid catalyst in dehydrative cyclization of 5 and 6 carbon polyols with improved color and product accountability |
| KR101574972B1 (ko) * | 2014-08-11 | 2015-12-08 | 한국화학연구원 | 메조다공성 고체 촉매를 이용한 무수당 알코올의 제조방법 |
| CN104788465B (zh) * | 2015-02-10 | 2017-04-19 | 沈阳化工大学 | 一种由山梨醇制异山梨醇的连续化制备方法 |
| KR101935390B1 (ko) * | 2015-09-03 | 2019-01-04 | 주식회사 엘지화학 | 상압 조건에서 온도 조절을 통한 아이소소바이드의 제조방법 |
| WO2018129029A1 (en) | 2017-01-04 | 2018-07-12 | Immunogen, Inc. | Met antibodies and immunoconjugates and uses thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1757468A (en) * | 1927-06-07 | 1930-05-06 | Ig Farbenindustrie Ag | Dehydration product of sorbitol and the process of making it |
| US3454603A (en) | 1966-05-18 | 1969-07-08 | Atlas Chem Ind | Method of preparing 1,4-3,6-dianhydroiditol and 1,4-3,6-dianhydroglucitol |
| DD132266A1 (de) | 1977-08-02 | 1978-09-13 | Siegfried Schmidt | Verfahren zur herstellung von hexitan-fettsaeure-partialestern |
| US4169152A (en) | 1977-10-31 | 1979-09-25 | Ici Americas Inc. | Isohexide and tetrahydrofuran ethers and their carbamates in method of bringing about relaxation of skeletal musculature |
| CA1195687A (en) | 1982-04-21 | 1985-10-22 | John Feldmann | Process for producing polyols with at least one oxacyclopentane ring |
| CA1178288A (en) | 1982-05-07 | 1984-11-20 | John Feldmann | Process for preparing anhydro polyol containing polyol mixtures |
| DE3229412A1 (de) | 1982-08-06 | 1984-02-09 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von dianhydrohexitol-gemischen aus hexitolen, dianhydro-idit enthaltende dianhydro-hexitol-gemischen und ihre verwendung zur herstellung von polymeren |
| DE3230349A1 (de) | 1982-08-14 | 1984-02-16 | Maizena Gmbh, 2000 Hamburg | Verfahren zur gewinnung reiner kristalliner anhydropentite, mono- und/oder dianhydrohexite |
| DE3233086A1 (de) | 1982-09-07 | 1984-03-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyurethan-elastomeren unter verwendung von diolen der dianhydro-hexit-reihe in verbindung mit polyoxyalkylen-polydialkylsiloxan-copolymeren |
| DE3521809A1 (de) | 1985-06-19 | 1987-01-02 | Ruetgerswerke Ag | Verfahren zur herstellung von 2,5-dialkyl-1,4 |
| DE19756771A1 (de) * | 1997-12-19 | 1999-06-24 | Bayer Ag | Verfahren zur Herstellung von Bis(4-hydroxyaryl)alkanen |
| DE19841032A1 (de) * | 1998-09-09 | 2000-03-16 | Aventis Res & Tech Gmbh & Co | Verfahren zur Herstellung von Anhydrozuckeralkoholen |
-
2001
- 2001-05-22 JP JP2002500860A patent/JP2003535085A/ja active Pending
- 2001-05-22 AU AU2001264848A patent/AU2001264848A1/en not_active Abandoned
- 2001-05-22 EP EP01939318A patent/EP1294727A2/en not_active Withdrawn
- 2001-05-22 CN CN01810097A patent/CN1430619A/zh active Pending
- 2001-05-22 WO PCT/US2001/016662 patent/WO2001092246A2/en not_active Ceased
- 2001-05-24 US US09/864,466 patent/US6407266B2/en not_active Expired - Fee Related
- 2001-05-25 TW TW090112665A patent/TW558555B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1430619A (zh) | 2003-07-16 |
| EP1294727A2 (en) | 2003-03-26 |
| AU2001264848A1 (en) | 2001-12-11 |
| WO2001092246A2 (en) | 2001-12-06 |
| WO2001092246A3 (en) | 2002-04-04 |
| JP2003535085A (ja) | 2003-11-25 |
| US20020002291A1 (en) | 2002-01-03 |
| US6407266B2 (en) | 2002-06-18 |
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