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公开(公告)号：NL2024293B1
公开(公告)日：2021-08-26
申请号：NL2024293
申请日：2019-11-22
Applicant: STAHL INT B V
Abstract: The present invention relates to a novel process for substantially lime free dehairing and liming in skins/hides/pelts using metal silicate and an alkaline to obtain dehaired skins/hides/pelts of good quality and less polluted effluent from the dehairing process.
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公开(公告)号：NL2027083B1
公开(公告)日：2022-07-07
申请号：NL2027083
申请日：2020-12-09
Applicant: STAHL INT B V
IPC: C14C1/08
Abstract: The present invention relates to a novel process for deliming of skins, hides or pelts using aldaric acid or uronic acid e.g. meso-galactaric acid or D-galacturonic acid, as deliming auxiliary agent, preferably in combination With another type of deliming agent such as a cyclic ester of carbonic acid, and to the thus obtained delimed skins, hides or pelts.
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公开(公告)号：NL2035717B1
公开(公告)日：2025-03-11
申请号：NL2035717
申请日：2023-08-31
Applicant: STAHL INT B V
Inventor： ANDREAS GERARDUS JOSEPHUS MARIA VAN DER HAM , ROBERTA GAMARINO , MARCUS BREULMANN , SILVANO SINI , DEBORA DIONEIA SPENGLER
Abstract: Title: Process for the use of a re-tanning composition comprising rice husk Abstract The present invention provides a process for the use of a re-tanning composition comprising rice husk in the leather process that provides good re- tanning behaviour.
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公开(公告)号：BR112022009615A2
公开(公告)日：2022-08-02
申请号：BR112022009615
申请日：2020-11-20
Applicant: STAHL INT B V
Abstract: PROCESSO DE DEPILAÇÃO E CALAGEM DE PEÇAS DE COURO, PELES OU PELES COM PELOS. A presente invenção refere-se a um novo processo para depilação substancialmente livre de cal e calagem de peles/peças de couro/peles com pelos usando silicato de metal e um alcalino para obter peles/peças de couro/peles com pelos depilados de boa qualidade e efluente menos poluído a partir do processo de depilação.
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