GB473200A - Improvements in or relating to the production of leather - Google Patents

Improvements in or relating to the production of leather

Info

Publication number
GB473200A
GB473200A GB10271/36A GB1027136A GB473200A GB 473200 A GB473200 A GB 473200A GB 10271/36 A GB10271/36 A GB 10271/36A GB 1027136 A GB1027136 A GB 1027136A GB 473200 A GB473200 A GB 473200A
Authority
GB
United Kingdom
Prior art keywords
tanning
april
leather
added
sodium acetate
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
GB10271/36A
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.)
GEORGE ROBERT PENSEL
Original Assignee
GEORGE ROBERT PENSEL
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 GEORGE ROBERT PENSEL filed Critical GEORGE ROBERT PENSEL
Publication of GB473200A publication Critical patent/GB473200A/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)

Abstract

473,200. Tanning. PENSEL, G. R. April 7, 1936, No. 10271. Convention date, April 13, 1935. [Class 76] Leather is produced by treating skins with a metal tanning solution, a water soluble salt of acetic, formic, oxalic, lactic, tartaric or citric acid and an aldehyde tanning agent, the individual quantities of the tanning components being insufficient for complete tanning. Chrome or alum are preferred metal tanning agents and formaldehyde a suitable aldehyde, sodium acetate the preferred salt. The pickled skins are treated in a bath of the metallic tanning agent at an acid pH, sodium acetate &c. is then added and the pH raised up to about 4À5 to 6À0 by gradual additions of an alkaline substance, finally formaldehyde is added and the temperature raised if desired up to 140‹ F.
GB10271/36A 1935-04-13 1936-04-07 Improvements in or relating to the production of leather Expired GB473200A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US473200XA 1935-04-13 1935-04-13

Publications (1)

Publication Number Publication Date
GB473200A true GB473200A (en) 1937-10-07

Family

ID=21948302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10271/36A Expired GB473200A (en) 1935-04-13 1936-04-07 Improvements in or relating to the production of leather

Country Status (1)

Country Link
GB (1) GB473200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004876A (en) * 2019-12-25 2020-04-14 宁夏吴忠市精艺裘皮制品有限公司 Through type fur chrome-free tanning method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111004876A (en) * 2019-12-25 2020-04-14 宁夏吴忠市精艺裘皮制品有限公司 Through type fur chrome-free tanning method
CN111004876B (en) * 2019-12-25 2021-11-23 精艺裘皮制品股份有限公司 Through type fur chrome-free tanning method

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