GB1040905A - Process and device for the xanthation of alkali cellulose - Google Patents

Process and device for the xanthation of alkali cellulose

Info

Publication number
GB1040905A
GB1040905A GB15398/63A GB1539863A GB1040905A GB 1040905 A GB1040905 A GB 1040905A GB 15398/63 A GB15398/63 A GB 15398/63A GB 1539863 A GB1539863 A GB 1539863A GB 1040905 A GB1040905 A GB 1040905A
Authority
GB
United Kingdom
Prior art keywords
cell
vessel
brought
soda
soda cellulose
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
GB15398/63A
Other languages
English (en)
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.)
Valmet AB
Original Assignee
Sunds Verkstader AB
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 by Sunds Verkstader AB filed Critical Sunds Verkstader AB
Publication of GB1040905A publication Critical patent/GB1040905A/en
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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/0015—Controlling the temperature by thermal insulation means
    • B01J2219/00155—Controlling the temperature by thermal insulation means using insulating materials or refractories
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49069—Data storage inductor or core

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
GB15398/63A 1962-04-19 1963-04-18 Process and device for the xanthation of alkali cellulose Expired GB1040905A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE445462 1962-04-19
US255627A US3305845A (en) 1962-04-19 1963-02-01 Magnetic memory core and method

Publications (1)

Publication Number Publication Date
GB1040905A true GB1040905A (en) 1966-09-01

Family

ID=26654523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15398/63A Expired GB1040905A (en) 1962-04-19 1963-04-18 Process and device for the xanthation of alkali cellulose

Country Status (6)

Country Link
US (2) US3305845A (US06589383-20030708-C00041.png)
BE (1) BE631233A (US06589383-20030708-C00041.png)
CH (1) CH427766A (US06589383-20030708-C00041.png)
DE (1) DE1468634A1 (US06589383-20030708-C00041.png)
GB (1) GB1040905A (US06589383-20030708-C00041.png)
NL (1) NL291665A (US06589383-20030708-C00041.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1077653A (en) * 1964-01-27 1967-08-02 Telefunken Patent Magnetic information storage element
GB1113901A (en) * 1964-06-16 1968-05-15 Litton Industries Inc Improvements in or relating to magnetic storage or memory arrays
US3518637A (en) * 1965-05-28 1970-06-30 Research Corp Magnetic device for storing analog information
DE1295653B (de) * 1965-07-17 1969-05-22 Telefunken Patent Anordnung fuer die magnetische Speicherung, Durchschaltung oder logische Verknuepfung von Informationen und Verfahren zum Betreiben der Anordnung, zur Erzeugung der Anisotropie und zu ihrer Herstellung
DE1303353B (US06589383-20030708-C00041.png) * 1965-07-23 1971-12-23 Telefunken Pat
US3357004A (en) * 1965-10-20 1967-12-05 Sperry Rand Corp Mated thin film memory element
FR1492885A (fr) * 1966-04-19 1967-08-25 Csf Utilisation de couches ferromagnétiques feuillectées dans la réalisation d'éléments de mémoire et d'éléments logiques magnétiques
US3470548A (en) * 1967-02-20 1969-09-30 Sperry Rand Corp Mated-film memory element incorporating e-keepers forming a closed transverse interrogate flux path
US3493941A (en) * 1967-03-03 1970-02-03 Hughes Aircraft Co Magnetic memory featuring thin film coincident current element
US3524173A (en) * 1967-05-22 1970-08-11 Ampex Process for electrodeposition of anisotropic magnetic films and a product formed by the process
US3836336A (en) * 1969-05-13 1974-09-17 Asahi Chemical Ind Apparatus for continuous xanthation and solution of alkali cellulose
US4260739A (en) * 1979-05-11 1981-04-07 Fiber Associates, Inc. Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179379A (en) * 1936-07-18 1939-11-07 Air Reduction Manufacture of acetylene
GB488761A (en) * 1937-08-10 1938-07-13 Brown Co Improvements in or relating to the xanthation of cellulose
US2508987A (en) * 1946-12-26 1950-05-23 Wallace & Tiernan Co Inc Slurry feeding apparatus
GB642483A (en) * 1948-05-05 1950-09-06 Courtaulds Ltd Improvements in and relating to the production of viscose
NL77986C (US06589383-20030708-C00041.png) * 1950-02-03
US2985948A (en) * 1955-01-14 1961-05-30 Rca Corp Method of assembling a matrix of magnetic cores
NL211617A (US06589383-20030708-C00041.png) * 1955-12-22
US2961745A (en) * 1955-12-29 1960-11-29 Ibm Device for assembling magnetic core array
NL215595A (US06589383-20030708-C00041.png) * 1956-03-22
US2882519A (en) * 1956-07-02 1959-04-14 Rca Corp Magnetic device
US3130134A (en) * 1957-01-09 1964-04-21 Ibm Plated circuit magnetic core array
US2988688A (en) * 1958-02-24 1961-06-13 Boeing Co Control circuits
US2985647A (en) * 1959-01-12 1961-05-23 Kohorn Oscar Von Manufacture of viscose spinning solution
NL130691C (US06589383-20030708-C00041.png) * 1959-05-21
US3154840A (en) * 1960-06-06 1964-11-03 Rca Corp Method of making a magnetic memory

Also Published As

Publication number Publication date
CH427766A (de) 1967-01-15
BE631233A (US06589383-20030708-C00041.png)
US3305845A (en) 1967-02-21
DE1468634A1 (de) 1969-01-02
US3385845A (en) 1968-05-28
NL291665A (US06589383-20030708-C00041.png)

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