GB471811A - Improvements relating to tanning processes and materials therefor - Google Patents

Improvements relating to tanning processes and materials therefor

Info

Publication number
GB471811A
GB471811A GB7213/36A GB721336A GB471811A GB 471811 A GB471811 A GB 471811A GB 7213/36 A GB7213/36 A GB 7213/36A GB 721336 A GB721336 A GB 721336A GB 471811 A GB471811 A GB 471811A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
materials therefor
tanning processes
tanning
per cent
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
GB7213/36A
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.)
Hall Labs LLC
Original Assignee
Hall Labs LLC
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 to BE429249D priority Critical patent/BE429249A/xx
Application filed by Hall Labs LLC filed Critical Hall Labs LLC
Priority to GB7213/36A priority patent/GB471811A/en
Priority to DEC53042D priority patent/DE671019C/en
Publication of GB471811A publication Critical patent/GB471811A/en
Priority to CH214337D priority patent/CH214337A/en
Priority to DEC54982D priority patent/DE747874C/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

471,811. Tanning. STEVENS, A. H. (Hall Laboratories, Inc.) March 10, 1936, No. 7213. [Class 76] Hides &c. are tanned by treatment in a bath containing a tannin extract and a soluble sodium polyphosphate having a composition equivalent to about 75 to 85 per cent of sodium metaphosphate and 15 to 25 per cent of sodium pyrophosphate which may be produced, e.g. as described in Specification 378,345, [Group III]. Specifications 435,710 and 445,612 also are referred to.
GB7213/36A 1936-03-10 1936-03-10 Improvements relating to tanning processes and materials therefor Expired GB471811A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE429249D BE429249A (en) 1936-03-10
GB7213/36A GB471811A (en) 1936-03-10 1936-03-10 Improvements relating to tanning processes and materials therefor
DEC53042D DE671019C (en) 1936-03-10 1937-07-21 Process for tanning hides and skins
CH214337D CH214337A (en) 1936-03-10 1938-07-16 Process for tanning hides and skins.
DEC54982D DE747874C (en) 1936-03-10 1939-04-16 Process for tanning hides and skins

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB7213/36A GB471811A (en) 1936-03-10 1936-03-10 Improvements relating to tanning processes and materials therefor
DE214337X 1937-07-20
DEC53042D DE671019C (en) 1936-03-10 1937-07-21 Process for tanning hides and skins
CH195334T 1938-07-16
DEC54982D DE747874C (en) 1936-03-10 1939-04-16 Process for tanning hides and skins

Publications (1)

Publication Number Publication Date
GB471811A true GB471811A (en) 1937-09-10

Family

ID=60387781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7213/36A Expired GB471811A (en) 1936-03-10 1936-03-10 Improvements relating to tanning processes and materials therefor

Country Status (4)

Country Link
BE (1) BE429249A (en)
CH (1) CH214337A (en)
DE (2) DE671019C (en)
GB (1) GB471811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245205A2 (en) * 1986-05-05 1987-11-11 Ciba-Geigy Ag Aqueous composition comprising a sulfonated phenol, an amine and a tanning salt, its manufacture and its use as a tanning agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245205A2 (en) * 1986-05-05 1987-11-11 Ciba-Geigy Ag Aqueous composition comprising a sulfonated phenol, an amine and a tanning salt, its manufacture and its use as a tanning agent
EP0245205A3 (en) * 1986-05-05 1989-05-10 Ciba-Geigy Ag Aqueous composition comprising a sulfonated phenol, an amine and a tanning salt, its manufacture and its use as a tanning agent

Also Published As

Publication number Publication date
BE429249A (en)
CH214337A (en) 1941-04-15
DE671019C (en) 1939-01-30
DE747874C (en) 1944-10-18

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