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Catalytic hydrogenolysis

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C07C-017/10
출원번호 US-0734407 (1991-07-23)
발명자 / 주소
  • Rao V. N. M. (Wilmington DE)
출원인 / 주소
  • E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보 피인용 횟수 : 43  인용 특허 : 0

초록 ▼

Catalytic hydrogenolysis of fluorohalocarbons (e.g., CFCs) and fluorohalohydrocarbons (e.g., HCFCs), using catalysts of Re, Co, Ni, Ru, Rh, Pd, Os, Ir, and/or Pt on a carbon having low ash content. Preferred catalysts use carbon which is acid-washed, first with an acid other than hydrofluoric acid a

대표청구항 ▼

A process for the catalytic hydrogenolysis of a cyclic or acyclic compound having the formula CnHmFpXq wherein n is an integer from 1 to 6, m is an integer from 0 to 12, p is an integer from 1 to 13, q is an integer from 1 to 13 and each X is independently selected from Cl and Br, provided that m+p+

이 특허를 인용한 특허 (43)

  1. Nappa Mario Joseph ; Rao V. N. Mallikarjuna ; Sievert Allen Capron, 1,1,1,2,3,3,3-heptafluoropropane manufacturing process.
    상세보기
  2. Sievert, Allen Capron; Nappa, Mario Joseph; Mahler, Barry Asher, 1,2,3,3,3-pentafluoropropene production processes.
    상세보기
  3. Miller,Ralph Newton; Nappa,Mario Joseph; Rao,Velliyur Nott Mallikarjuna; Sievert,Allen Capron, Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof.
    상세보기
  4. Ahn, Byoung Sung; Song, Jung Hwan; Moon, Dong Ju; Park, Kun You, Catalyst and method for producing 1,1-difluoroethane.
    상세보기
  5. Sun, Xuehui; Nappa, Mario Joseph, Catalytic dehydrochlorination of hydrochlorofluorocarbons.
    상세보기
  6. Cheung, Patricia; Lamarca, Concetta, Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts.
    상세보기
  7. Cheung, Patricia; Sievert, Allen Capron; Lamarca, Concetta, Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts.
    상세보기
  8. Nappa, Mario Joseph; Toton, Donald J.; Rao, Velliyur Nott Mallikarjuna, Catalytic isomerization between E and Z isomers of 1,2,3,3,3-pentafluoropropene.
    상세보기
  9. Nappa, Mario Joseph, Catalytic isomerization of 2,3,3,3-tetrafluoropropene.
    상세보기
  10. Mario Joseph Nappa ; V.N.Mallikarjuna Rao, Catalytic manufacture of pentafluoropropenes.
    상세보기
  11. Nappa Mario Joseph ; Rao V. N. Mallikarjuna, Catalytic manufacture of vinyl fluoride.
    상세보기
  12. Rao V. N. Mallikarjuna (Wilmington DE), Catalytic process for producing CF3CH2F.
    상세보기
  13. Mahler, Barry Asher; Nappa, Mario Joseph; Knapp, Jeffrey P., Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3- tetrafluoropropene.
    상세보기
  14. Mahler, Barry Asher; Nappa, Mario Joseph; Knapp, Jeffrey P, Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3-tetrafluoropropene.
    상세보기
  15. Mahler, Barry Asher; Nappa, Mario Joseph; Knapp, Jeffrey P., Compositions comprising 3,3,3-trifluoropropyne.
    상세보기
  16. Nappa, Mario Joseph, Coproduction of hydrofluoroolefins.
    상세보기
  17. Rao V. N. Mallikarjuna (Wilmington DE), Hydrodehalogenation catalysts and their preparation and use.
    상세보기
  18. Francis Anthony Via ; Grigorii Lev Soloveichik ; Philip George Kosky ; Walter Vladimir Cicha, Method for producing phosgene.
    상세보기
  19. Francis Anthony Via ; Grigorii Lev Soloveichlk ; Philip George Kosky ; Walter Vladimir Cicha, Method for producing phosgene.
    상세보기
  20. Cicha Walter V. ; Manzer Leo Ernest, Phosgene manufacturing process.
    상세보기
  21. Cicha Walter Vladimir ; Manzer Leo E., Phosgene manufacturing process.
    상세보기
  22. Rao Velliyur Nott Mallikarjuna, Process for manufacture of high purity 1,1-dichlorotetrafluoroethane.
    상세보기
  23. Rao Velliyur Nott Mallikarjuna, Process for manufacture of trichlorotrifluoroethanes.
    상세보기
  24. Takagi, Hirokazu; Okamoto, Hidekazu; Kawaguchi, Satoshi; Takeuchi, Yu; Watanabe, Kunio; Yanase, Koichi; Nomura, Shingo, Process for producing 2,3,3,3-tetrafluoropropene.
    상세보기
  25. Cicha Walter Vladimir ; Manzer Leo Ernest, Process for producing oxochlorides of sulfur.
    상세보기
  26. Cicha Walter Vladimir ; Manzer Leo Ernest, Process for producing oxochlorides of sulfur.
    상세보기
  27. Nappa Mario Joseph ; Rao V. N. Mallikarjuna ; Sievert Allen Capron, Process for the manufacture of 1,1,1,3,3-pentafluoropropane.
    상세보기
  28. Nappa Mario Joseph ; Rao V. N. Mallikarjuna ; Sievert Allen Capron, Process for the manufacture of 1,1,1,3,3-pentafluoropropane.
    상세보기
  29. Manogue, William H.; Rao, V. N. Mallikarjuna; Sievert, Allen Capron; Swearingen, Steven H., Process for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof.
    상세보기
  30. Requieme Benoit,FRX ; Perdrieux Sylvain,FRX ; Cheminal Bernard,FRX ; Lacroix Eric,FRX ; Lantz Andre,FRX, Process for the manufacture of difluoromethane.
    상세보기
  31. Requieme, Benoit; Perdrieux, Sylvain; Cheminal, Bernard; Lacroix, Eric; Lantz, Andre, Process for the manufacture of difluoromethane.
    상세보기
  32. Rao,Velliyur Nott Mallikarjuna; Sievert,Allen C., Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropane.
    상세보기
  33. Rao,Velliyur Nott Mallikarjuna; Sievert,Allen C., Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane.
    상세보기
  34. Miller, Ralph Newton; Nappa, Mario Joseph; Rao, Velliyur Nott Mallikarjuna; Sievert, Allen Capron, Processes for production and purification of hydrofluoroolefins.
    상세보기
  35. V. N. Mallikarjuna Rao ; Allen Capron Sievert, Processes for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof.
    상세보기
  36. Rao V. N. Mallikarjuna (Wilmington DE) Walczak Francis J. (New Castle DE), Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF.
    상세보기
  37. Velliyur Nott Mallikarjuna Rao ; Francis John Walczak, Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF.
    상세보기
  38. Velliyur Nott Mallikarjuna Rao ; Francis John Walczak, Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HF.
    상세보기
  39. Furmanek Paul S. ; Glasscock David A. ; Keane ; Jr. Michael, Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF.
    상세보기
  40. Furmanek Paul S. ; Glasscock David A. ; Keane ; Jr. Michael ; Mahler Barry A. ; Rao V. N. Mallikarjuna, Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF.
    상세보기
  41. Sun, Xuehui; Nappa, Mario Joseph, Selective catalytical dehydrochlorination of hydrochlorofluorocarbons.
    상세보기
  42. Sun, Xuehui; Nappa, Mario Joseph, Selective catalytical dehydrochlorination of hydrochlorofluorocarbons.
    상세보기
  43. Corbin David R. (West Chester PA) Diebold Michael P. (Wilmington DE) Mahler Barry A. (Glen Mills PA), Separation of chloropentafluoroethane from pentafluoroethane.
    상세보기

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