EP 0213480 A3 19871028 - METHOD OF WATER-PROOFING LEATHER AND FURS
Title (en)
METHOD OF WATER-PROOFING LEATHER AND FURS
Publication
Application
Priority
DE 3529869 A 19850821
Abstract (en)
[origin: US4701269A] A process for waterproofing leather and skins with a silicone oil and the salt of an N-(C9-C20-acyl)-amino acid as an emulsifier for the silicone oil, which is carried out in the aqueous phase during or after retanning, and the use of salts of N-acylamino acids as emulsifiers for silicone oils in the waterproofing of leather and skins in the aqueous phase, and the mixtures used for this purpose.
IPC 1-7
IPC 8 full level
C14C 9/02 (2006.01); C08J 3/02 (2006.01); C09K 3/18 (2006.01); C14C 9/00 (2006.01)
CPC (source: EP US)
C14C 9/00 (2013.01 - EP US)
Citation (search report)
- [A] CH 524712 A 19720630 - RHONE POULENC SA [FR]
- [A] US 2964425 A 19601213 - HOLZINGER RUDOLPH J, et al
- [A] US 2047069 A 19360707 - WINFRID HENTRICH, et al
- [A] FR 2505866 A1 19821119 - ELF AQUITAINE [FR]
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0213480 A2 19870311; EP 0213480 A3 19871028; EP 0213480 B1 19890125; CA 1255855 A 19890620; DE 3529869 A1 19870226; DE 3661933 D1 19890302; ES 2001252 A6 19880501; JP H0575040 B2 19931019; JP S6245700 A 19870227; US 4701269 A 19871020
DOCDB simple family (application)
EP 86111130 A 19860812; CA 515970 A 19860814; DE 3529869 A 19850821; DE 3661933 T 19860812; ES 8601254 A 19860821; JP 19222686 A 19860819; US 89568686 A 19860813