FR1345271A - Dépolymérisation catalytique de l'hydroxy-éthyl-cellulose - Google Patents

Dépolymérisation catalytique de l'hydroxy-éthyl-cellulose

Info

Publication number
FR1345271A
FR1345271A FR918037D FR918037D FR1345271A FR 1345271 A FR1345271 A FR 1345271A FR 918037 D FR918037 D FR 918037D FR 918037 D FR918037 D FR 918037D FR 1345271 A FR1345271 A FR 1345271A
Authority
FR
France
Prior art keywords
ethyl cellulose
hydroxy ethyl
catalytic depolymerization
depolymerization
catalytic
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
FR918037D
Other languages
English (en)
French (fr)
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.)
Rayonier Inc
Original Assignee
Rayonier Inc
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 Rayonier Inc filed Critical Rayonier Inc
Application granted granted Critical
Publication of FR1345271A publication Critical patent/FR1345271A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Catalysts (AREA)
  • Glass Compositions (AREA)
FR918037D 1962-04-19 1962-12-10 Dépolymérisation catalytique de l'hydroxy-éthyl-cellulose Expired FR1345271A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US188835A US3296248A (en) 1962-04-19 1962-04-19 Process of oxidative aging of hydroxyethylcellulose

Publications (1)

Publication Number Publication Date
FR1345271A true FR1345271A (fr) 1963-12-06

Family

ID=22694729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR918037D Expired FR1345271A (fr) 1962-04-19 1962-12-10 Dépolymérisation catalytique de l'hydroxy-éthyl-cellulose

Country Status (8)

Country Link
US (1) US3296248A (US07223432-20070529-C00017.png)
AT (1) AT238726B (US07223432-20070529-C00017.png)
BE (1) BE626042A (US07223432-20070529-C00017.png)
CH (1) CH423225A (US07223432-20070529-C00017.png)
DE (1) DE1468538A1 (US07223432-20070529-C00017.png)
ES (1) ES281718A1 (US07223432-20070529-C00017.png)
FR (1) FR1345271A (US07223432-20070529-C00017.png)
GB (1) GB948248A (US07223432-20070529-C00017.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498971A (en) * 1967-02-13 1970-03-03 Allied Chem Process for the preparation of sodium carboxymethylcellulose
DE2917104A1 (de) * 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
US5366755A (en) * 1989-02-10 1994-11-22 Maritta Timonen Foodstuffs containing novel degraded cellulose derivatives
FI895708A0 (fi) * 1989-02-10 1989-11-29 Alko Ab Oy Vattenloeslig soenderdelningsprodukt.
CA2046089C (en) * 1990-07-02 2003-12-30 J. David Angerer High solids low viscosity polysaccharides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512338A (en) * 1947-04-29 1950-06-20 Hercules Powder Co Ltd Preparation of cellulose ethers
US2682536A (en) * 1952-05-22 1954-06-29 Rayonier Inc Aging alkali cellulose
US2841579A (en) * 1954-04-06 1958-07-01 Int Paper Canada Depolymerization of cellulose in alkaline medium
US2847411A (en) * 1955-02-15 1958-08-12 Rayonier Inc Process for producing hydroxyethoxycellulose

Also Published As

Publication number Publication date
BE626042A (US07223432-20070529-C00017.png)
US3296248A (en) 1967-01-03
CH423225A (fr) 1966-10-31
AT238726B (de) 1965-02-25
ES281718A1 (es) 1963-01-16
DE1468538A1 (de) 1968-12-19
GB948248A (en) 1964-01-29

Similar Documents

Publication Publication Date Title
FR1345271A (fr) Dépolymérisation catalytique de l'hydroxy-éthyl-cellulose
FR1965M (fr) Nouveau dérivé de l'oripavine.
FR1377432A (fr) Production de fluorochlorobenzènes
CH438251A (fr) Procédé de préparation simultanée d'époxydes et d'alcools aralcoyliques
BR6353836D0 (pt) Processo de preparacao de n-substituidos-1-fenil-2-amino propanos
FR2855M (fr) Dérivés antibiotiques de l'actinospectacine.
FR3173M (fr) Dérivés thérapeutiques d'aralcoyl-2-mercapto-benzazoles.
FR3185M (fr) Nouveaux dérivés de l'hydroxyguanidine.
BR6355463D0 (pt) Processo de preparacao de 1,3-diidro-3-hidroxi-2h-1,4-benzodiazepin-2-onas
BR6349805D0 (pt) Processo de preparacao de novos derivados da quinoleina
BR6349812D0 (pt) Processo de preparacao de derivados de pirazol
BR6241250D0 (pt) Sintese de esteroides
BR6240896D0 (pt) Sintese de esteroides
BR6347174D0 (pt) Novo processo de preparacao de robeta-abil-esteroides
BE628925A (fr) Cristallisation de diphénylolalcanes
FR1342427A (fr) Procédé d'acétylation de la cellulose
BR6347024D0 (pt) Processo de preparacao de crilohexilamina ciclohexilsufamato
BR6678335D0 (pt) Processo de preparacao de novos derivados da quinoleina
BE613052A (fr) Synthèse de stéroïdes.
FR1318512A (fr) Préparation de formaldéhyde
FR1357391A (fr) Préparation de perfluorooléfines
BR6355248D0 (pt) Processo de obtencao de novos derivados da sulfanilamida
BR6348317D0 (pt) Derivados 2-ciclo-alquil-aminicos de 3h,1,4-benzodiazepinas
BE616469A (fr) Dérivés d'amidon et de cellulose réticulés
FR1318647A (fr) Procédé d'acétylation partielle de la cellulose