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GB494065A - Improvements in process of unhairing - Google Patents

Improvements in process of unhairing

Info

Publication number
GB494065A
GB494065A GB1889/38A GB188938A GB494065A GB 494065 A GB494065 A GB 494065A GB 1889/38 A GB1889/38 A GB 1889/38A GB 188938 A GB188938 A GB 188938A GB 494065 A GB494065 A GB 494065A
Authority
GB
United Kingdom
Prior art keywords
hides
hydrosulphite
unhairing
lime
rohm
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
GB1889/38A
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of GB494065A publication Critical patent/GB494065A/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
    • C14C1/00—Chemical treatment prior to tanning
    • C14C1/06—Facilitating unhairing, e.g. by painting, by liming

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)
  • Devices For Medical Bathing And Washing (AREA)
  • Fertilizers (AREA)
  • Cosmetics (AREA)

Abstract

494,065. Depilating hides. ROHM & HAAS CO. Jan. 20, 1938, No. 1889. Convention date, Feb. 19, 1937. [Class 76] In the process of unhairing hides by means of lime an alkali or alkaline earth hydrosulphite is added to the lime bath. Up to 1 per cent of the dry weight of hides is a suitable proportion of hydrosulphite.
GB1889/38A 1937-02-19 1938-01-20 Improvements in process of unhairing Expired GB494065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494065XA 1937-02-19 1937-02-19

Publications (1)

Publication Number Publication Date
GB494065A true GB494065A (en) 1938-10-19

Family

ID=21959649

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1889/38A Expired GB494065A (en) 1937-02-19 1938-01-20 Improvements in process of unhairing

Country Status (3)

Country Link
DE (1) DE747485C (en)
FR (1) FR833086A (en)
GB (1) GB494065A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288728B (en) * 1963-07-27 1969-02-06 Roehm & Haas Gmbh Process for the production of tanned bare
FR2457324A1 (en) * 1979-05-22 1980-12-19 Union Chimique Indle Sarl Depilating hides before tanning - using non polluting bath contg. sulphur reducing salt and lipotropic agent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR329656A (en) * 1903-02-23 1903-08-04 Samuel Keehmley Felton Junior Improvements in skin treatment
GB191412952A (en) * 1914-05-26 1915-05-20 Raymond Vidal Improved Method for Preserving, Stripping and Cleaning Hides- or Skins.

Also Published As

Publication number Publication date
DE747485C (en) 1944-09-29
FR833086A (en) 1938-10-11

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