公开(公告)号：US20210252525A1

公开(公告)日：2021-08-19

申请号：US16973010

申请日：2019-06-05

Applicant: Clariant International Ltd.

Inventor： Matthias KRULL ,  Wagner Claudio DA SILVA ,  Valdilene RHODES ,  Leandro Seixas BICALHO

IPC: B03D1/004 ,  C01G49/08 ,  C01G49/06 ,  B03D1/008 ,  B03D1/01

Abstract: This invention relates to use of a water-miscible polyhydric alcohol having two or three hydroxyl groups for improving the collector performance of a collector composition for the reverse iron ore flotation comprising at least one alkyl ether amine of formula (I) and/or alkyl ether diamine of formula (II) R1—(O-A)-NH2  (I) R2—(O-A)-NH—R3—NH2  (II) wherein R1 is a hydrocarbyl group with 6 to 24 carbon atoms, R2 is a hydrocarbyl group with 6 to 24 carbon atoms, R3 is an aliphatic hydrocarbyl group with 2 to 4 carbon atoms A is an alkylene group with 2 to 6 carbon atoms.

公开(公告)号：US20230091787A1

公开(公告)日：2023-03-23

申请号：US17470795

申请日：2021-09-09

Applicant: Clariant International, Ltd.

Inventor： Dirk LEINWEBER ,  Adriana GROSSMANN ,  Wagner Claudio DA SILVA ,  Leandro Seixas BICALHO

IPC: B03D1/01 ,  C07D207/277 ,  B03D1/008

Abstract: The invention relates to a flotation agent for lithium or phosphate ore, comprising at least one fatty acid and at least one 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid or a mixture thereof of the formula (1) wherein R is a C7 to C21 alkyl or alkenyl group, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid of the formula (I) is from 1 to 30 wt.-%.

公开(公告)号：US20180237885A1

公开(公告)日：2018-08-23

申请号：US15962337

申请日：2018-04-25

Applicant: Clariant International Ltd. ,  Clariant S.A.

Inventor： Stefan DILSKY ,  Carlos Augusto Blasques TOOGE ,  Nilson Mar BARTALINI ,  Almir T. SANTOS ,  Wagner Claudio DA SILVA ,  Monica SPECK CASSOLA ,  Jorge Antonio ARIAS MEDINA

IPC: C22B1/244 ,  C22B1/243

CPC classification number: C22B1/244 ,  C22B1/243

Abstract: Binder composition for agglomeration of fine minerals and pelletizing processThe instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one synthetic polymer which disperses mineral particles evenly in the pellets.

公开(公告)号：US20170165681A1

公开(公告)日：2017-06-15

申请号：US15325916

申请日：2015-04-22

Applicant: Clariant International Ltd. ,  Clariant S.A. ,  Clariant (Chile) Ltda.

Inventor： Antonio Pedro DE OLIVEIRA FILHO ,  Jesus PITARCH LÓPEZ ,  Wagner Claudio DA SILVA ,  Gunter LIPOWSKY ,  Jacques Collin BEZUIDENHOUT ,  Jaime Osvaldo Gomez Becerra ,  Rodrigo Alexis Caris Andrade ,  Franco Aurelio Constanzo Yanez

IPC: B03D1/012 ,  C22B3/16 ,  B03D1/008

CPC classification number: B03D1/012 ,  B03D1/008 ,  B03D1/02 ,  B03D2201/02 ,  B03D2203/02 ,  B03D2203/025 ,  C22B3/1658

Abstract: The instant invention relates to a composition in form of a stable aqueous emulsion comprising a) 1-50 wt.-% of at least one water insoluble thionocarbamate collector selected from the group consisting of dialkyl thionocarbamates, alkyl alkoxycarbonyl thionocarbamates and alkyl allyl thionocarbamates, b) 1-50 wt.-% of one or a mixture of surface active agents of the general formula wherein R1 is a saturated or unsaturated, branched or linear C3 to C30 aliphatic or aromatic hydrocarbon group, R2 and R3 are independently from each other hydrogen or a C1 to C4 alkyl group, R4 is hydrogen or —CH2—COOX where X is hydrogen or sodium salt or potassium salt or ammonium salt, and n and m are independently from each other 0 to 50, c) 0.1-20 wt.-% of a mixture of at least one alcohol and at least one ether and/or ester, e) 1-90 wt.-% of water.

公开(公告)号：US20190226050A1

公开(公告)日：2019-07-25

申请号：US16370655

申请日：2019-03-29

Applicant: Clariant International Ltd. ,  Clariant S.A.

Inventor： Stefan DILSKY ,  Carlos Augusto Blasques TOOGE ,  Nilson Mar BARTALINI ,  Almir T. SANTOS ,  Wagner Claudio DA SILVA ,  Monica SPECK CASSOLA ,  Jorge Antonio ARIAS MEDINA

IPC: C22B1/244 ,  C22B1/243

Abstract: The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one synthetic polymer which disperses mineral particles evenly in the pellets.

公开(公告)号：US20180200731A1

公开(公告)日：2018-07-19

申请号：US15923236

申请日：2018-03-16

Applicant: CLARIANT INTERNATIONAL LTD. ,  CLARIANT S.A.

Inventor： Stefan DILSKY ,  Wagner Claudio DA SILVA ,  Monica SPECK CASSOLA ,  Nilson Mar BARTALINI ,  Zaira Guimaraes DUARTE ,  Jorge Antonio ARIAS MEDINA ,  Antonio Pedro OLIVEIRA FILHO

IPC: B03D1/01 ,  B01D19/04 ,  B03D1/004 ,  B03D1/02 ,  B03D1/008 ,  C01F11/18 ,  B03D1/006

CPC classification number: B03D1/011 ,  B01D19/04 ,  B01D19/0409 ,  B01D19/0413 ,  B01D19/0418 ,  B01D19/0422 ,  B01D19/0436 ,  B01D19/0468 ,  B03D1/0043 ,  B03D1/0046 ,  B03D1/006 ,  B03D1/008 ,  B03D1/02 ,  B03D2201/007 ,  B03D2201/02 ,  B03D2203/02 ,  B03D2203/04 ,  B03D2203/10 ,  C01F11/185

Abstract: This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and its use in the reverse flotation of calcium carbonate.