FR900655A - Tanning agents and their manufacturing process - Google Patents

Tanning agents and their manufacturing process

Info

Publication number
FR900655A
FR900655A FR900655DA FR900655A FR 900655 A FR900655 A FR 900655A FR 900655D A FR900655D A FR 900655DA FR 900655 A FR900655 A FR 900655A
Authority
FR
France
Prior art keywords
manufacturing process
tanning agents
tanning
agents
manufacturing
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
Other languages
French (fr)
Inventor
Marcel-Ernest Degeorges
Louis Gelpi
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.)
Progil SARL
Original Assignee
Progil SARL
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 Progil SARL filed Critical Progil SARL
Application granted granted Critical
Publication of FR900655A publication Critical patent/FR900655A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
    • C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR900655D 1943-08-18 1943-08-18 Tanning agents and their manufacturing process Expired FR900655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR900655T 1943-08-18

Publications (1)

Publication Number Publication Date
FR900655A true FR900655A (en) 1945-07-05

Family

ID=9396961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900655D Expired FR900655A (en) 1943-08-18 1943-08-18 Tanning agents and their manufacturing process

Country Status (1)

Country Link
FR (1) FR900655A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663698A (en) * 1950-04-11 1953-12-22 Monsanto Chemicals Process for producing synthetic tannins by dehydrating and sulfonating a novolak resin in a vacuum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663698A (en) * 1950-04-11 1953-12-22 Monsanto Chemicals Process for producing synthetic tannins by dehydrating and sulfonating a novolak resin in a vacuum

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