US1622883A - Mercuryless hair-secreting process for felt-making - Google Patents

Mercuryless hair-secreting process for felt-making Download PDF

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Publication number
US1622883A
US1622883A US87977A US8797726A US1622883A US 1622883 A US1622883 A US 1622883A US 87977 A US87977 A US 87977A US 8797726 A US8797726 A US 8797726A US 1622883 A US1622883 A US 1622883A
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US
United States
Prior art keywords
hair
felt
mercuryless
making
secreting
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 - Lifetime
Application number
US87977A
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English (en)
Inventor
Pichard Charles
Pichard Emile
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Individual
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Individual
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.)
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Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1622883A publication Critical patent/US1622883A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
    • D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B85/00—Needles
    • D05B85/02—Needles with slotted eyes, i.e. with a slit leading to the eye for thread insertion

Definitions

  • the object of our invention is to provide a process which will do away with mercury in secreting or, as it is sometimes called, carroting
  • secreting or carrot-ing is achieved through the action of urea, compounds thereof or derivatives 7 therefrom.
  • nitrate of urea we preferably use nitrate of urea.
  • a earroting process comprising the step of treating hair with a substance containing urea.
  • a carroting rocess comprising the step of treating hair with nitrate of urea.
  • a carroting process comprising the steps of brushing a pelt with a solution containing urea, and then removing the hair from the pelt.
  • a carroting. process comprising. the

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
US87977A 1925-02-28 1926-02-12 Mercuryless hair-secreting process for felt-making Expired - Lifetime US1622883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR464017X 1925-02-28

Publications (1)

Publication Number Publication Date
US1622883A true US1622883A (en) 1927-03-29

Family

ID=8901974

Family Applications (1)

Application Number Title Priority Date Filing Date
US87977A Expired - Lifetime US1622883A (en) 1925-02-28 1926-02-12 Mercuryless hair-secreting process for felt-making

Country Status (5)

Country Link
US (1) US1622883A (enrdf_load_stackoverflow)
BE (1) BE332429A (enrdf_load_stackoverflow)
DE (1) DE464017C (enrdf_load_stackoverflow)
FR (1) FR594241A (enrdf_load_stackoverflow)
GB (1) GB248343A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE464017C (de) 1928-08-07
FR594241A (fr) 1925-09-08
BE332429A (enrdf_load_stackoverflow)
GB248343A (en) 1926-04-08

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