FR499010A - Process for the preparation of condensation products of formaldehyde both with 1- or 2-aminonaphthalinemono- or disulfonic acids and with aromatic oxysulfonic acids - Google Patents

Process for the preparation of condensation products of formaldehyde both with 1- or 2-aminonaphthalinemono- or disulfonic acids and with aromatic oxysulfonic acids

Info

Publication number
FR499010A
FR499010A FR499010DA FR499010A FR 499010 A FR499010 A FR 499010A FR 499010D A FR499010D A FR 499010DA FR 499010 A FR499010 A FR 499010A
Authority
FR
France
Prior art keywords
acids
aminonaphthalinemono
formaldehyde
preparation
condensation products
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)
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.)
Durand and Huguenin AG
Original Assignee
Durand and Huguenin AG
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 Durand and Huguenin AG filed Critical Durand and Huguenin AG
Application granted granted Critical
Publication of FR499010A publication Critical patent/FR499010A/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)
FR499010D 1919-05-05 1919-05-05 Process for the preparation of condensation products of formaldehyde both with 1- or 2-aminonaphthalinemono- or disulfonic acids and with aromatic oxysulfonic acids Expired FR499010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR499010T 1919-05-05

Publications (1)

Publication Number Publication Date
FR499010A true FR499010A (en) 1920-01-29

Family

ID=1534129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR499010D Expired FR499010A (en) 1919-05-05 1919-05-05 Process for the preparation of condensation products of formaldehyde both with 1- or 2-aminonaphthalinemono- or disulfonic acids and with aromatic oxysulfonic acids

Country Status (1)

Country Link
FR (1) FR499010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438089A1 (en) * 1978-10-04 1980-04-30 Basf Ag SYNTHETIC TANNIN, ITS PREPARATION AND ITS USE FOR TANNING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438089A1 (en) * 1978-10-04 1980-04-30 Basf Ag SYNTHETIC TANNIN, ITS PREPARATION AND ITS USE FOR TANNING

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