DE3375477D1 - Production of formaldehyde - Google Patents

Production of formaldehyde

Info

Publication number
DE3375477D1
DE3375477D1 DE8383109763T DE3375477T DE3375477D1 DE 3375477 D1 DE3375477 D1 DE 3375477D1 DE 8383109763 T DE8383109763 T DE 8383109763T DE 3375477 T DE3375477 T DE 3375477T DE 3375477 D1 DE3375477 D1 DE 3375477D1
Authority
DE
Germany
Prior art keywords
formaldehyde
phosphorus
production
silver
methanol
Prior art date
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
Application number
DE8383109763T
Other languages
German (de)
English (en)
Inventor
Velliyur Nott Mallikarjuna Rao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23694792&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3375477(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3375477D1 publication Critical patent/DE3375477D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
    • B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
    • B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
    • B01J27/1817—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates with copper, silver or gold
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8926—Copper and noble metals
    • 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
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Paper (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Golf Clubs (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Auxiliary Devices For Music (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
DE8383109763T 1982-09-29 1983-09-29 Production of formaldehyde Expired DE3375477D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/427,418 US4439625A (en) 1982-09-29 1982-09-29 Production of formaldehyde

Publications (1)

Publication Number Publication Date
DE3375477D1 true DE3375477D1 (en) 1988-03-03

Family

ID=23694792

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383109763T Expired DE3375477D1 (en) 1982-09-29 1983-09-29 Production of formaldehyde

Country Status (10)

Country Link
US (1) US4439625A (enExample)
EP (1) EP0104666B2 (enExample)
JP (1) JPS5982330A (enExample)
AT (1) ATE32213T1 (enExample)
BR (1) BR8305241A (enExample)
CA (1) CA1211466A (enExample)
DE (1) DE3375477D1 (enExample)
ES (1) ES8507451A1 (enExample)
FI (1) FI78900C (enExample)
NO (1) NO156825C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980703003A (ko) * 1995-03-15 1998-09-05 페라스타르크 인 도핑 은 촉매의 제조 방법
DE19605213A1 (de) * 1996-02-13 1997-08-14 Basf Ag Verfahren zur Herstellung von Formaldehyd
DE19605212A1 (de) * 1996-02-13 1997-08-14 Basf Ag Phosphordotiertes Silberkatalysator-Festbett

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462413A (en) * 1946-06-06 1949-02-22 Allied Chem & Dye Corp Production of formaldehyde
US2587468A (en) * 1948-03-27 1952-02-26 Monsanto Chemicals Ethylene oxide process
GB1272592A (en) * 1968-05-06 1972-05-03 Laporte Chemical Vapour phase oxidation of hydroxy compounds
US3948997A (en) * 1968-05-06 1976-04-06 Laporte Industries Limited Vapour phase oxidation process
DE1793439A1 (de) * 1968-09-18 1972-02-24 Basf Ag Verfahren zur Herstellung von Aldehyden und/oder Alkoholen nach der Oxosynthese
BE758502A (fr) * 1969-11-06 1971-05-05 Basf Ag Preparation d'alcools et d'aldehydes
DE2116947C3 (de) * 1971-04-07 1974-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Formaldehyd
BE788250A (en) * 1972-05-15 1973-02-28 Dow Corning Silicone antifoam - consisting of polyoxypropylene (co)polymer, or siloxane-glycol copolymer, polymethylsiloxane, silica and siloxane
DE2548908C3 (de) * 1975-10-31 1978-04-27 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Formaldehyd
US4198351A (en) * 1977-04-15 1980-04-15 Celanese Corporation Formaldehyde production process
US4219509A (en) * 1978-01-23 1980-08-26 E. I. Du Pont De Nemours And Company Methanol oxidation/dehydrogenation over silver-gold alloy
US4167527A (en) * 1978-01-23 1979-09-11 E. I. Du Pont De Nemours And Company Methanol oxidation/dehydrogenation over silver-gold alloy
JPS5838227A (ja) * 1981-09-01 1983-03-05 Mitsui Toatsu Chem Inc アルデヒドの製造法
US4383123A (en) * 1981-10-08 1983-05-10 Monsanto Company Manufacture of aqueous formaldehyde

Also Published As

Publication number Publication date
ES525980A0 (es) 1985-09-16
FI78900B (fi) 1989-06-30
BR8305241A (pt) 1984-05-02
EP0104666B1 (en) 1988-01-27
CA1211466A (en) 1986-09-16
FI833495A0 (fi) 1983-09-28
ES8507451A1 (es) 1985-09-16
JPS5982330A (ja) 1984-05-12
EP0104666A3 (en) 1985-10-23
ATE32213T1 (de) 1988-02-15
NO156825B (no) 1987-08-24
FI833495L (fi) 1984-03-30
NO156825C (no) 1987-12-02
NO833499L (no) 1984-03-30
US4439625A (en) 1984-03-27
EP0104666A2 (en) 1984-04-04
JPH0553778B2 (enExample) 1993-08-10
EP0104666B2 (en) 1992-05-06
FI78900C (fi) 1989-10-10

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee