FR638257A - Process for the preparation of black and colored upper leathers - Google Patents

Process for the preparation of black and colored upper leathers

Info

Publication number
FR638257A
FR638257A FR638257DA FR638257A FR 638257 A FR638257 A FR 638257A FR 638257D A FR638257D A FR 638257DA FR 638257 A FR638257 A FR 638257A
Authority
FR
France
Prior art keywords
black
preparation
colored upper
upper leathers
leathers
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Application granted granted Critical
Publication of FR638257A publication Critical patent/FR638257A/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
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR638257D 1927-07-26 1927-07-26 Process for the preparation of black and colored upper leathers Expired FR638257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638257T 1927-07-26

Publications (1)

Publication Number Publication Date
FR638257A true FR638257A (en) 1928-05-21

Family

ID=8995883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638257D Expired FR638257A (en) 1927-07-26 1927-07-26 Process for the preparation of black and colored upper leathers

Country Status (1)

Country Link
FR (1) FR638257A (en)

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