FR1448567A - Production d'un sel de métal alcalin de carboxyméthylcellulose - Google Patents

Production d'un sel de métal alcalin de carboxyméthylcellulose

Info

Publication number
FR1448567A
FR1448567A FR33165A FR33165A FR1448567A FR 1448567 A FR1448567 A FR 1448567A FR 33165 A FR33165 A FR 33165A FR 33165 A FR33165 A FR 33165A FR 1448567 A FR1448567 A FR 1448567A
Authority
FR
France
Prior art keywords
carboxymethylcellulose
production
alkali metal
metal salt
salt
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
FR33165A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Priority claimed from US400555A external-priority patent/US3394127A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR33165A priority Critical patent/FR1448567A/fr
Application granted granted Critical
Publication of FR1448567A publication Critical patent/FR1448567A/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
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR33165A 1964-09-30 1965-09-29 Production d'un sel de métal alcalin de carboxyméthylcellulose Expired FR1448567A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR33165A FR1448567A (fr) 1964-09-30 1965-09-29 Production d'un sel de métal alcalin de carboxyméthylcellulose

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US400555A US3394127A (en) 1964-09-30 1964-09-30 Densification of carboxymethyl cellulose
US41723664A 1964-12-09 1964-12-09
FR33165A FR1448567A (fr) 1964-09-30 1965-09-29 Production d'un sel de métal alcalin de carboxyméthylcellulose

Publications (1)

Publication Number Publication Date
FR1448567A true FR1448567A (fr) 1966-08-05

Family

ID=27242578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33165A Expired FR1448567A (fr) 1964-09-30 1965-09-29 Production d'un sel de métal alcalin de carboxyméthylcellulose

Country Status (1)

Country Link
FR (1) FR1448567A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708162A (en) * 1994-04-05 1998-01-13 Hoechst Aktiengesellschaft Process for the preparation of low molecular weight polysaccharide ethers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708162A (en) * 1994-04-05 1998-01-13 Hoechst Aktiengesellschaft Process for the preparation of low molecular weight polysaccharide ethers

Similar Documents

Publication Publication Date Title
FI49184C (fi) Menetelmä puhtaitten metallikloridien valmistamiseksi.
IL29659A (en) Manufacture of alkali metals by electrolysis
CH448395A (fr) Procédé de coulée de métal
FR1533102A (fr) Nettoyage de pièces en métal
FR1448567A (fr) Production d'un sel de métal alcalin de carboxyméthylcellulose
FR1429992A (fr) Procédé de production d'un halogénure d'alkyle
FR1432395A (fr) Dépôt électrolytique de nickel
FR87182E (fr) Dépôt électrolytique de métaux réfractaires
FR1385594A (fr) Dépôt électrolytique de métaux réfractaires
FR1421004A (fr) Dépôt électrolytique de nickel
CA688546A (en) Electrodeposition of refractory metals
FR1437790A (fr) Procédé de préparation d'un sel de métal alcalin de carboxyméthyl cellulose
CA649784A (en) Alkali metal salt of carboxymethylcellulose
CA722210A (en) Production of alkali metal polyhalophenates
BE586976A (fr) Production d'halogénures de métaux.
CA685733A (en) Production of alkali metal fluoborate
FR1437929A (fr) Technique d'attaque de métal
CA632046A (en) Alkali metal salt of carboxymethyl cellulose manufacture
FR88469E (fr) Dépôt électrolytique de métaux réfractaires
FR1206704A (fr) Séparation d'amalgame de métal alcalin
BE580686A (fr) Dépôt électrolytique de métal.
CA682203A (en) Production of refractory metal
FR1273960A (fr) Cellule électrolytique pour la production d'un hydroxyde de métal alcalin
FR1430827A (fr) Composition de revêtement zinc-silicate de métal alcalin
FR1326100A (fr) Cornues pour la production de métaux alcalino-terreux