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Condensed phase catalytic hydrogenation of lactic acid to propylene glycol

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C07C-027/00
출원번호 US-0442285 (1999-11-19)
발명자 / 주소
  • Zhigang Zhang
  • Dennis J. Miller
  • James E. Jackson
출원인 / 주소
  • Board of Trustees of Michigan State University
대리인 / 주소
    Ian C. McLeod
인용정보 피인용 횟수 : 19  인용 특허 : 10

초록

The present invention provides a process for production of propylene glycol with high yield and selectivity in an aqueous reaction mixture of lactic acid and hydrogen with an essentially pure elemental ruthenium catalyst on an inert support at elevated pressure and temperature. In particular, the pr

대표청구항

1. A process for the production of propylene glycol, which comprises:(a) providing an oxide passivated ruthenium catalyst in a closed reaction vessel; (b) activating the passivated catalyst by removing the oxide with hydrogen; (c) reacting a reaction mixture of lactic acid in water and hydrogen with

이 특허에 인용된 특허 (10)

  1. Wulff-Doring Joachim,DEX ; Melder Johann-Peter,DEX ; Schulz Gerhard,DEX ; Voit Guido,DEX ; Gutschoven Frank,DEX ; Harder Wolfgang,DEX, Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones.
  2. Kitson Melanie (Hull GB2) Williams Peter S. (Hull GB2), Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters.
  3. Gubitosa Giuseppe (Novara ITX) Casale Bruno (Cameri ITX), Method for producing lower polyhydric alcohols and a new ruthenium-based catalyst used in this method.
  4. Oshima Mituyoshi (Joetsu JPX) Yoshimoto Jun (Odawara JPX), Method for the preparation of cis-alkylcyclohexanols.
  5. Kitson Melanie (Hull GB2) Williams Peter S. (Hull GB2), Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or ester.
  6. Antons Stefan (Leverkusen DEX) Beitzke Bernhard (Rsrath DEX), Process for preparing optically active amino alcohols.
  7. Ruhl Thomas,DEX ; Breitscheidel Boris,DEX ; Henkelmann Jochem,DEX ; Henne Andreas,DEX ; Lebkucher Rolf,DEX ; Knoll Konrad,DEX ; Naegele Paul,DEX ; Gausepohl Hermann,DEX ; Weiguny Sabine,DEX ; Niessne, Process for reacting an organic compound in the presence of a supported ruthenium catalyst.
  8. Antons Stefan,DEX, Process for the preparation of optically active alcohols.
  9. Schwartz Jo-Ann T. (Chadds Ford PA), Ru,Re/carbon catalyst for hydrogenation in aqueous solution.
  10. Dubeck Michael (Birmingham MI) Knapp Gordon G. (Southfield MI), Sulfide-modified ruthenium catalyst.

이 특허를 인용한 특허 (19)

  1. Kalakkunnath, Sumod; Truitt, Matthew J.; Bae, Jaehoon; Phillips, Cory B., Advanced cellulosic renewable fuels.
  2. Ohler, Nicholas; Fisher, Karl; Tirmizi, Shakeel, Base oils and methods for making the same.
  3. Kimble, James B.; Yao, Jianhua, Catalyst composition comprising ruthenium and a treated silica support component and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene.
  4. Yao,Jianhua; Kimble,James B., Catalyst composition comprising ruthenium and a treated silica support component and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene.
  5. Itoh, Takashi; Kurabayashi, Katsumi; Naka, Takahiro; Takayama, Masako; Usaka, Osamu; Isobe, Shoji, Catalyst for selective oxidation and elimination of carbon monoxide present in hydrogen-containing gases.
  6. Frost, John W., Catalytic deamination for caprolactam production.
  7. Obayashi, Yoshiaki; Onishi, Toshiyuki; Iida, Kozo, Discharge gas treatment catalyst.
  8. Werpy, Todd; Frye, Jr., John G.; Wang, Yong; Zacher, Alan H., Methods of making textured catalysts.
  9. Meng,Xiangsheng; Abraham,Timothy W.; Tsobanakis,Paraskevas, Process for preparation of 1,3-propanediol.
  10. Miller, Dennis J.; Jackson, James E.; Marincean, Simona, Process for the preparation of propylene glycol.
  11. Liu, Zhufang; Tennant, Brent Alan; Stavinoha, Jr., Jerome Leonard; Messina, Anthony Dominick; McMillan, Noah Glenn, Promoted ruthenium catalyst for the improved hydrogenation of carboxylic acids to the corresponding alcohols.
  12. Ohler, Nicholas L.; Vazquez, Roberto, Stabilization and hydrogenation methods for microbial-derived olefins.
  13. Ohler, Nicholas L.; Vazquez, Roberto, Stabilization and hydrogenation methods for microbial-derived olefins.
  14. Ohler, Nicholas L.; Vazquez, Roberto, Stabilization methods for microbial-derived olefins.
  15. Frost, John W., Synthesis of caprolactam from lysine.
  16. Frost, John W., Synthesis of caprolactam from lysine.
  17. Frost,John W., Synthesis of caprolactam from lysine.
  18. Werpy,Todd; Frye, Jr.,John G.; Wang,Yong; Zacher,Alan H., Textured catalysts and methods of making textured catalysts.
  19. Werpy, Todd; Frye, Jr., John G.; Wang, Yong; Zacher, Alan H., Textured catalysts, methods of making textured catalysts, and methods of catalyzing reactions conducted in hydrothermal conditions.
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