NL164026B - Werkwijze ter bereiding van vitamine-a-zuur en esters daarvan. - Google Patents

Werkwijze ter bereiding van vitamine-a-zuur en esters daarvan.

Info

Publication number
NL164026B
NL164026B NL7200461.A NL164026DA NL164026B NL 164026 B NL164026 B NL 164026B NL 164026D A NL164026D A NL 164026DA NL 164026 B NL164026 B NL 164026B
Authority
NL
Netherlands
Prior art keywords
esters
acid
preparing vitamin
vitamin
preparing
Prior art date
Application number
NL7200461.A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rhone Poulenc Sa
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 of NL164026B publication Critical patent/NL164026B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
NL7200461.A 1950-12-16 Werkwijze ter bereiding van vitamine-a-zuur en esters daarvan. NL164026B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201156A US2700148A (en) 1950-12-16 1950-12-16 Magnetic drum dial pulse recording and storage register

Publications (1)

Publication Number Publication Date
NL164026B true NL164026B (nl)

Family

ID=22744696

Family Applications (2)

Application Number Title Priority Date Filing Date
NL79067D NL79067C (xx) 1950-12-16
NL7200461.A NL164026B (nl) 1950-12-16 Werkwijze ter bereiding van vitamine-a-zuur en esters daarvan.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL79067D NL79067C (xx) 1950-12-16

Country Status (6)

Country Link
US (1) US2700148A (xx)
BE (1) BE507798A (xx)
DE (1) DE881677C (xx)
FR (1) FR1046658A (xx)
GB (1) GB693157A (xx)
NL (2) NL164026B (xx)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867379A (en) * 1951-02-12 1959-01-06 Marchant Calculators Inc Magnetic decimal accumulator
US2730698A (en) * 1951-03-26 1956-01-10 Sperry Rand Corp Position indicating apparatus
NL99218C (xx) * 1951-05-23
US2805286A (en) * 1951-07-25 1957-09-03 British Telecomm Res Ltd Electrical signalling systems
GB727773A (en) * 1952-06-09 1955-04-06 Nederlanden Staat Metering arrangement in telecommunication system
US2767248A (en) * 1952-06-27 1956-10-16 Siemens Brothers & Co Ltd Electrically operated registers
US2845610A (en) * 1952-08-29 1958-07-29 Bell Telephone Labor Inc Magnetic data storage system
NL180362B (nl) * 1952-09-18 Hitachi Ltd Isolatiefilm voor een magnetisch bellengeheugen.
DE1070412B (de) * 1952-10-18 1959-12-03 Ing. C. Olivetti &. C. S.p.A., Ivrea (Italien) Rechenvorrichtung mit dynamischen Registern
NL174929B (nl) * 1952-12-29 Pierret Hubert Transportinrichting, in het bijzonder voor vezelmateriaal.
BE526798A (xx) * 1953-02-27
DE974163C (de) * 1953-04-15 1960-10-06 Klaus Dipl-Phys Mueller Zusatzgeraet an Teilnehmerstellen zur selbsttaetigen Herstellung von Fernmelde-, insbesondere Fernsprech- oder Fernschreibverbindungen
US2891236A (en) * 1953-05-25 1959-06-16 Burroughs Corp Electromagnetic transducer
US2831058A (en) * 1953-08-11 1958-04-15 Rca Corp Retransmission of characters in a radio telegraph system
US2823368A (en) * 1953-12-18 1958-02-11 Ibm Data storage matrix
US2917236A (en) * 1954-02-03 1959-12-15 Olivetti & Co Spa Cyclically operable digital accumulating apparatus
US2922577A (en) * 1954-02-03 1960-01-26 Olivetti & Co Spa Digital computing apparatus
BE535704A (xx) * 1954-02-15
US2871464A (en) * 1954-02-17 1959-01-27 Int Standard Electric Corp Methods of recording intelligence
NL205384A (xx) * 1954-02-24
US2922144A (en) * 1954-03-01 1960-01-19 Smith Corona Marchant Inc Read-record circuits
US2904776A (en) * 1954-03-22 1959-09-15 Cons Electrodynamics Corp Information storage system
DE959468C (de) * 1954-05-12 1957-03-07 Licentia Gmbh Anordnung zur Erzeugung von Frequenzen eines beliebig waehlbaren Verhaeltnisses zu einer vorgegebenen Grundfrequenz
US2817072A (en) * 1954-08-02 1957-12-17 Rca Corp Serial memory system
US2817073A (en) * 1954-08-11 1957-12-17 John R Sorrells Multichannel tape system of storage
US3009019A (en) * 1954-10-02 1961-11-14 Siemens Edison Swan Ltd Automatic exchange systems
US2958849A (en) * 1954-10-29 1960-11-01 Clevite Corp Multichannel magnetic reproducing apparatus
DE970582C (de) * 1954-12-29 1958-10-09 Deutsche Telephonwerk Kabel Vorrichtung zum Aufzeichnen und/oder Wiedergeben und/oder Loeschen von auf einen umlaufenden Traeger elektromagnetisch auftragbaren Stromstoessen, insbesondere fuer in Fernsprechanlagen mit Waehlerbetrieb verwendbare Stromstosssender
US2922988A (en) * 1954-12-30 1960-01-26 Bell Telephone Labor Inc Magnetic core memory circuits
US2969527A (en) * 1955-01-19 1961-01-24 Burroughs Corp Discrete element magnetic recording
US2978686A (en) * 1955-03-23 1961-04-04 Ibm Read-write amplifier system
BE557315A (xx) * 1955-05-10 1900-01-01
DE1040830B (de) * 1955-05-27 1958-10-09 Siemens Ag Verfahren zum UEbertragen von Informationen aus einem Informationsspeicher, z. B. Magnetband- oder Trommelspeicher, auf einen zweiten Speicher anderer Schreibgeschwindigkeit
GB804042A (en) * 1955-06-07 1958-11-05 British Telecomm Res Ltd Improvements in or relating to telephone systems
BE549516A (xx) * 1955-07-19
US2941189A (en) * 1955-07-19 1960-06-14 Automatic Elect Lab Magnetic memory apparatus
US3225183A (en) * 1955-07-22 1965-12-21 Bendix Corp Data storage system
US2832064A (en) * 1955-09-06 1958-04-22 Underwood Corp Cyclic memory system
DE1110919B (de) * 1955-10-25 1961-07-13 Dr Gerhard Dirks Einrichtung zum Speichern von Zahlen, Buchstaben oder Signalen, insbesondere fuer elektronische Rechenmaschinen
USRE25139E (en) * 1955-11-23 1962-03-20 faulkner
US2886802A (en) * 1955-12-20 1959-05-12 Bell Telephone Labor Inc Timing pulse generator circuit for magnetic drum
US2863712A (en) * 1955-12-29 1958-12-09 Bell Telephone Labor Inc Electric printer for magnetic codes
US2882518A (en) * 1956-02-13 1959-04-14 Bell Telephone Labor Inc Magnetic storage circuit
BE558367A (xx) * 1956-06-14
NL218614A (xx) * 1956-07-02
US3008129A (en) * 1956-07-18 1961-11-07 Rca Corp Memory systems
US3016521A (en) * 1956-08-09 1962-01-09 Bell Telephone Labor Inc Magnetic core memory matrix
US2958850A (en) * 1956-08-23 1960-11-01 Automatic Elect Lab Keysender using magnetic drum storage
DE1189293B (de) * 1956-08-24 1965-03-18 Dr Gerhard Dirks Schrittweise bewegter magnetischer Bandspeicher
DE1060917B (de) * 1956-10-13 1959-07-09 Dr Luigi Grasso Apparat zum automatischen Telephonanruf mindestens einer Nummer des Telephonnetzes und zum UEbertragen mindestens einer vorbestimmten Mitteilung
BE568867A (xx) * 1956-10-18
US3027550A (en) * 1956-12-31 1962-03-27 Bell Telephone Labor Inc Signal pulse detector and register
US3055983A (en) * 1957-01-23 1962-09-25 British Telecomm Res Ltd Telephone or like systems
US2948882A (en) * 1957-05-17 1960-08-09 Gen Dynamics Corp Magnetic data handling system
BE567821A (xx) * 1957-06-25
IT592664A (xx) * 1957-07-15
US3106613A (en) * 1957-07-16 1963-10-08 British Telecomm Res Ltd Telephone call fee registering arrangements
US3048823A (en) * 1957-08-13 1962-08-07 Thompson Ramo Wooldridge Inc Transistor flip-flop indicator circuit
DE1047850B (de) * 1958-04-19 1958-12-31 Fritz W Post Vorrichtung zum selbsttaetigen Speichern und Aussenden von Stromstossreihen bei der Nummernwahl in Fernmeldeanlagen
DE1061379B (de) * 1958-09-26 1959-07-16 Siemens Ag Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen, in denen Schaltauftraege zwecks mehrfacher Aussendung gespeichert werden
DE1092065B (de) * 1958-10-13 1960-11-03 Hermann Wetzer K G Vorrichtung zur magnetischen Aufnahme und Wiedergabe von Waehlimpulsen
US3070800A (en) * 1958-10-28 1962-12-25 Burroughs Corp Magnetic tape timing system
US3056950A (en) * 1958-11-06 1962-10-02 Rca Corp Verification of magnetic recording
GB891904A (en) * 1959-02-13 1962-03-21 Standard Telephones Cables Ltd Improvements in or relating to data storage equipment
US3051789A (en) * 1959-09-11 1962-08-28 Gen Dynamics Corp Telephone system including magnetic storage device
DE1179255B (de) * 1960-01-08 1964-10-08 Standard Elektrik Lorenz Ag Pufferspeicher
NL259746A (xx) * 1960-01-11
US3119929A (en) * 1960-05-11 1964-01-28 Gen Electric High capacity accumulator
DE1139888B (de) * 1960-07-05 1962-11-22 Dieter Beckmann Vorrichtung zum Aufzeichnen und/oder Wiedergeben und/oder Loeschen von Impulsen in Fernmelde-, insbesondere Fernsprechanlagen
US3205740A (en) * 1961-06-16 1965-09-14 Pittsburgh Plate Glass Co Glass partitioning apparatus
US3217304A (en) * 1961-06-29 1965-11-09 Ibm Memory system
US3546678A (en) * 1968-03-29 1970-12-08 Bell Telephone Labor Inc Telephone traffic data recorder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540654A (en) * 1948-03-25 1951-02-06 Engineering Res Associates Inc Data storage system
US2564403A (en) * 1949-01-27 1951-08-14 Teleregister Corp Electrical and cyclical data posting system
US2614169A (en) * 1950-07-24 1952-10-14 Engineering Res Associates Inc Storage and relay system

Also Published As

Publication number Publication date
DE881677C (de) 1953-07-02
GB693157A (en) 1953-06-24
US2700148A (en) 1955-01-18
BE507798A (xx)
NL79067C (xx)
FR1046658A (fr) 1953-12-08

Similar Documents

Publication Publication Date Title
NL164026B (nl) Werkwijze ter bereiding van vitamine-a-zuur en esters daarvan.
CH320777A (de) Vervielfältigungsverfahren
NL171445C (nl) Werkwijze ter bereiding van 3-amino-deltaÿ2-pyrazoline-derivaten.
NL165997B (nl) Werkwijze voor de bereiding van kiezelzuurgel.
NL166690B (nl) Werkwijze ter bereiding van hexa-organoditinverbin- dingen.
NL170130B (nl) Werkwijze ter bereiding van kunstmestkorrels.
NL157288B (nl) Werkwijze voor de bereiding van hydroxybifenyl.
NL159657B (nl) Werkwijze ter bereiding van een n-hydroxyimidothiocarbon- zuurester.
NL173642B (nl) Werkwijze ter bereiding van tricyclische isochromanen.
AT174543B (de) Wohnanhänger
CH295663A (de) Verfahren zur Herstellung von Isopropylnitrat.
CH286867A (de) Epilamisierungsverfahren.
NL158781B (nl) Werkwijze voor de bereiding van gamma-chlooracetylazijnzuuresters.
NL162932B (nl) Werkwijze voor het bereiden van entcopolymeren.
NL160247C (nl) Werkwijze ter bereiding van aryl-alfa-oximinoalkylketonen.
NL153959B (nl) Werkwijze ter bereiding van appreteermiddelen.
NL163486B (nl) Werkwijze voor het bereiden van fosgeen.
FR1170111A (fr) Récipient perfectionné
FR1077346A (fr) Dégivreur
NL171349B (nl) Werkwijze ter bereiding van chloorcyaan.
NL186314B (nl) Werkwijze ter bereiding van cyclobutanonen of cyclobutenonen.
BE522027A (nl) Werkwijze ter bereiding van lactonen.
NL162137B (nl) Werkwijze voor de bereiding van pullulan.
FR1084334A (fr) écrou indesserrable
NL171579B (nl) Werkwijze ter bereiding van alfa-benzylacrylonitrile derivaten.