NL189259B - PROCESS FOR THE CONCENTRATION AND PURIFICATION OF ETHENOXIDE. - Google Patents

PROCESS FOR THE CONCENTRATION AND PURIFICATION OF ETHENOXIDE.

Info

Publication number
NL189259B
NL189259B NLAANVRAGE7409244,A NL189259DA NL189259B NL 189259 B NL189259 B NL 189259B NL 189259D A NL189259D A NL 189259DA NL 189259 B NL189259 B NL 189259B
Authority
NL
Netherlands
Prior art keywords
ethenoxide
purification
concentration
Prior art date
Application number
NLAANVRAGE7409244,A
Other languages
Dutch (nl)
Original Assignee
Shell Int Research
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 NL189259B publication Critical patent/NL189259B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
NLAANVRAGE7409244,A 1953-10-16 PROCESS FOR THE CONCENTRATION AND PURIFICATION OF ETHENOXIDE. NL189259B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US386582A US2858472A (en) 1953-10-16 1953-10-16 Slow-wave circuit for a traveling wave tube

Publications (1)

Publication Number Publication Date
NL189259B true NL189259B (en) 1900-01-01

Family

ID=23526202

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7409244,A NL189259B (en) 1953-10-16 PROCESS FOR THE CONCENTRATION AND PURIFICATION OF ETHENOXIDE.

Country Status (6)

Country Link
US (1) US2858472A (en)
BE (1) BE532507A (en)
DE (1) DE1055136B (en)
FR (1) FR1111547A (en)
GB (1) GB764012A (en)
NL (1) NL189259B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536712A (en) * 1954-03-25
NL203472A (en) * 1955-01-11
US2936395A (en) * 1955-09-30 1960-05-10 Hughes Aircraft Co Traveling wave tube
US2926280A (en) * 1956-04-23 1960-02-23 Raytheon Co Traveling wave structures
US3076115A (en) * 1956-07-05 1963-01-29 Rca Corp Traveling wave magnetron amplifier tubes
US2992356A (en) * 1956-07-31 1961-07-11 Rca Corp Traveling wave amplifier tube
DE1264623B (en) * 1957-04-25 1968-03-28 Siemens Ag Delay line with periodic structure for runway tubes and runway tubes with such a delay line
FR1189401A (en) * 1957-12-31 1959-10-02 Csf Improvements to crossed electric and magnetic field tubes of coaxial structure
NL240210A (en) * 1958-06-16
DE1206094B (en) * 1958-06-16 1965-12-02 Siemens Ag Running field pipes for very short waves, especially millimeter waves
US3054018A (en) * 1958-08-05 1962-09-11 Rca Corp Traveling wave amplifier tube
NL257375A (en) * 1959-10-29
NL260900A (en) * 1960-04-11
DE102009032759B4 (en) * 2009-07-11 2011-12-15 Karlsruher Institut für Technologie Device for avoiding parasitic oscillations in cathode ray tubes
CN111640636B (en) * 2020-06-09 2021-03-30 电子科技大学 Traveling wave tube slow wave circuit working at positive and second spatial harmonics

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547503A (en) * 1943-11-19 1951-04-03 Rca Corp Multiresonator magnetron
GB623537A (en) * 1944-06-08 1949-05-19 Rudolf Kompfner Improvements in or relating to electron discharge devices
US2643353A (en) * 1948-11-04 1953-06-23 Int Standard Electric Corp Traveling wave tube
NL154235B (en) * 1949-06-17 Kansai Paint Co Ltd PROCESS FOR THE PREPARATION OF ALKYD RESINS AND OBJECTS COVERED ON THE BASIS OF ALKYD RESINS SO OBTAINED.
US2640951A (en) * 1949-06-25 1953-06-02 Int Standard Electric Corp Microwave amplifier of the magnetron type
US2645737A (en) * 1949-06-30 1953-07-14 Univ Leland Stanford Junior Traveling wave tube

Also Published As

Publication number Publication date
BE532507A (en) 1900-01-01
US2858472A (en) 1958-10-28
FR1111547A (en) 1956-03-01
DE1055136B (en) 1959-04-16
GB764012A (en) 1956-12-19

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