NL88554C - - Google Patents

Info

Publication number
NL88554C
NL88554C NL88554DA NL88554C NL 88554 C NL88554 C NL 88554C NL 88554D A NL88554D A NL 88554DA NL 88554 C NL88554 C NL 88554C
Authority
NL
Netherlands
Application number
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
Application filed filed Critical
Application granted granted Critical
Publication of NL88554C publication Critical patent/NL88554C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/005—Fusing
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00—Processes for the preparation of sugar derivatives
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
NL88554D 1954-12-02 1954-12-02 NL88554C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL337820X 1954-12-02

Publications (1)

Publication Number Publication Date
NL88554C true NL88554C (xx) 1958-06-16

Family

ID=19784595

Family Applications (1)

Application Number Title Priority Date Filing Date
NL88554D NL88554C (xx) 1954-12-02 1954-12-02

Country Status (4)

Country Link
US (1) US2988581A (xx)
CH (1) CH337820A (xx)
GB (1) GB822149A (xx)
NL (1) NL88554C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469012A (en) * 1967-11-20 1969-09-23 Eastman Kodak Co Process for supplying precisely controlled supplemental heating to polymer melts

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US771250A (en) * 1904-06-28 1904-10-04 Union Carbide Corp Apparatus for electric heating.
US1782482A (en) * 1926-03-01 1930-11-25 Int Nickel Co Apparatus for heating a pickling solution
US1717308A (en) * 1927-03-05 1929-06-11 Boschetti Vincenzo Electric water heater
US2300891A (en) * 1941-04-25 1942-11-03 Hankscraft Co Liquid conductor heater
US2370238A (en) * 1943-06-12 1945-02-27 Roy R Fisher Bottle heater
US2666127A (en) * 1952-04-15 1954-01-12 Arne B Johnson Bottle warmer
US2749379A (en) * 1952-06-06 1956-06-05 Jenaer Glaswerk Schott & Gen Means and method for the electric melting of glass
US2802928A (en) * 1954-10-12 1957-08-13 Electric Steam Radiator Corp Vaporizer unit

Also Published As

Publication number Publication date
US2988581A (en) 1961-06-13
CH337820A (de) 1959-04-30
GB822149A (en) 1959-10-21

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