NL149155B - PROCESS FOR PREPARING LEVULIC ACID. - Google Patents

PROCESS FOR PREPARING LEVULIC ACID.

Info

Publication number
NL149155B
NL149155B NL717103552A NL149155DA NL149155B NL 149155 B NL149155 B NL 149155B NL 717103552 A NL717103552 A NL 717103552A NL 149155D A NL149155D A NL 149155DA NL 149155 B NL149155 B NL 149155B
Authority
NL
Netherlands
Prior art keywords
levulic acid
preparing
preparing levulic
acid
levulic
Prior art date
Application number
NL717103552A
Other languages
Dutch (nl)
Original Assignee
Otsuka Kagaku Yakuhin
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.)
Publication date
Publication of NL149155B publication Critical patent/NL149155B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/60—Supervising unattended repeaters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmitters (AREA)
  • Near-Field Transmission Systems (AREA)
NL717103552A 1949-09-17 PROCESS FOR PREPARING LEVULIC ACID. NL149155B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH687174X 1949-09-17

Publications (1)

Publication Number Publication Date
NL149155B true NL149155B (en) 1900-01-01

Family

ID=4528954

Family Applications (2)

Application Number Title Priority Date Filing Date
NL74902D NL74902C (en) 1949-09-17
NL717103552A NL149155B (en) 1949-09-17 PROCESS FOR PREPARING LEVULIC ACID.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL74902D NL74902C (en) 1949-09-17

Country Status (5)

Country Link
CH (1) CH276295A (en)
DE (1) DE826937C (en)
FR (1) FR1023087A (en)
GB (1) GB687174A (en)
NL (2) NL149155B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1023802B (en) * 1952-02-15 1958-02-06 Telefunken Gmbh Method and device for multichannel message transmission
DE1007392B (en) * 1952-02-16 1957-05-02 Telefunken Gmbh Infiltration of low-frequency channels into relay stations of a multichannel message transmission system with pulses
DE1003822B (en) * 1952-03-13 1957-03-07 Telefunken Gmbh Transmitter arrangement for alternating transmission of a large number of messages with modulated electrical pulses
DE1056676B (en) * 1952-05-19 1959-05-06 Siemens Ag Pulse phase modulation system with synchronization pulse
CH309731A (en) * 1953-02-14 1955-09-15 Patelhold Patentverwertung Device for generating a pulse train from a given pulse train.

Also Published As

Publication number Publication date
DE826937C (en) 1952-01-07
FR1023087A (en) 1953-03-13
CH276295A (en) 1951-06-30
NL74902C (en) 1900-01-01
GB687174A (en) 1953-02-11

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