Title:
TANNING AGENT AND PROCESS FOR TANNING OF ANIMAL SKIN
Document Type and Number:
WIPO Patent Application WO/2005/123968
Kind Code:
A1
Abstract:
A tanning agent characterized by containing a phosphonium salt represented by the general formula (1) in an effective amount. It is preferable that the phosphonium salt be a product of reaction of trishydroxypropylphosphine represented by formula (2) with an acid. It is preferable that X in the general formula (1) be an anion of an acid residue. It is preferable that the tanning agent further contain at least one chemical selected from among surfactants and pH buffers. (wherein X is an anion).
Inventors:
IMAI TETSUO (JP)
SUZUKI AYAKO (JP)
SAITO AKIRA (JP)
ISHIYAMA TOMOYA (JP)
ISHIKAWA MITSUO (JP)
KOIZUMI TOSHIO (JP)
SUGIYA MASASHI (JP)
SUZUKI AYAKO (JP)
SAITO AKIRA (JP)
ISHIYAMA TOMOYA (JP)
ISHIKAWA MITSUO (JP)
KOIZUMI TOSHIO (JP)
SUGIYA MASASHI (JP)
Application Number:
PCT/JP2005/010244
Publication Date:
December 29, 2005
Filing Date:
June 03, 2005
Export Citation:
Assignee:
CHIYODA SHOJI KK (JP)
ALOTA CO LTD (JP)
KOIZUMI KAGAKU KK (JP)
NIPPON CHEMICAL IND (JP)
IMAI TETSUO (JP)
SUZUKI AYAKO (JP)
SAITO AKIRA (JP)
ISHIYAMA TOMOYA (JP)
ISHIKAWA MITSUO (JP)
KOIZUMI TOSHIO (JP)
SUGIYA MASASHI (JP)
ALOTA CO LTD (JP)
KOIZUMI KAGAKU KK (JP)
NIPPON CHEMICAL IND (JP)
IMAI TETSUO (JP)
SUZUKI AYAKO (JP)
SAITO AKIRA (JP)
ISHIYAMA TOMOYA (JP)
ISHIKAWA MITSUO (JP)
KOIZUMI TOSHIO (JP)
SUGIYA MASASHI (JP)
International Classes:
C14C3/08; C14C3/26; (IPC1-7): C14C3/26
Foreign References:
| JP2003500529A | 2003-01-07 | |||
| JP2002536502A | 2002-10-29 | |||
| JP2001521983A | 2001-11-13 | |||
| JP2000144577A | 2000-05-26 |
Attorney, Agent or Firm:
Hatori, Osamu (8-6 Akasaka 1-chom, Minato-ku Tokyo 52, JP)
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