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    13.
    发明专利
    未知

    公开(公告)号：AT459664T

    公开(公告)日：2010-03-15

    申请号：AT06807519

    申请日：2006-10-25

    Applicant: BASF SE

    Inventor： WESTER BETTINA ,  BRAIG VOLKER ,  GAUWEILER WERNER ,  LEDUC MARC ,  BECKER STEFAN ,  FEUERHAKE ROBERT

    IPC: C08F26/02 ,  C08F290/14 ,  D21H17/34

    Abstract: The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking.

    Processo de utilização dos óxidos de carbono formados na produção de alumínio e instalação integrada
    14.
    发明专利
    Processo de utilização dos óxidos de carbono formados na produção de alumínio e instalação integrada 未知

    公开(公告)号：BR112021024492A2

    公开(公告)日：2022-01-18

    申请号：BR112021024492

    申请日：2020-05-28

    Applicant: BASF SE ,  THYSSENKRUP IND SOLUTIONS AG ,  THYSSENKRUPP AG

    Inventor： BODE ANDREAS ,  SCHEIFF FREDERIK ,  BUEKER KARSTEN ,  LEDUC MARC ,  ANTWEILER NICOLAI

    IPC: C25C3/12 ,  C25C3/22

    Abstract: processo de utilização dos óxidos de carbono formados na produção de alumínio e instalação integrada. a presente invenção refere-se a um processo de utilização dos óxidos de carbono formados na produção de alumínio por meio da redução eletrolítica de óxido de alumínio na fusão empregando pelo menos um ânodo elaborado com material que compreende carbono, em que um carbono de pirólise é utilizado para produção do pelo menos um ânodo onde é conduzida pirólise (1) de hidrocarbonetos, particularmente metano ou gás natural, em que são formados hidrogênio e carbono de pirólise e, de acordo com a presente invenção, o hidrogênio (4) formado na pirólise de metano é misturado com dióxido de carbono e/ou monóxido de carbono da produção eletrolítica de alumínio para produzir um fluxo de gases (15) que é passado para uso adicional. a presente invenção refere-se ainda a uma instalação integrada que compreende um aparelho de eletrólise (9) para produção de alumínio por meio de redução eletrolítica por fusão de óxido de alumínio, em que a instalação integrada compreende adicionalmente pelo menos um reator (1) no qual hidrogênio e carbono de pirólise são produzidos por meio da pirólise de hidrocarbonetos.

    15.
    发明专利
    未知

    公开(公告)号：AT419285T

    公开(公告)日：2009-01-15

    申请号：AT02792776

    申请日：2002-11-19

    Applicant: BASF SE

    Inventor： LEDUC MARC ,  FRENZEL STEFAN ,  MAHR NORBERT

    IPC: C08F26/02 ,  C08L39/00 ,  C02F1/56 ,  C08F2/10 ,  C08F2/44 ,  C08F8/04 ,  C08F8/12 ,  C08F283/06 ,  C08F285/00 ,  C08L101/14 ,  D21H21/10 ,  D21H21/18

    Abstract: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, which contain, as a stabilizer, water-soluble, crosslinked graft polymers which are obtainable by free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols, are prepared by free radical polymerization of N-vinylcarboxamides in an aqueous medium in the presence of said stabilizers and are used as drainage aids, flocculants and retention aids, as wet and dry strength agents and as fixing agents in papermaking.

    16.
    发明专利
    未知

    公开(公告)号：AT391207T

    公开(公告)日：2008-04-15

    申请号：AT05716030

    申请日：2005-03-14

    Applicant: BASF SE

    Inventor： ESSER ANTON ,  BLUM RAINER ,  KUHN JOACHIM ,  LEDUC MARC ,  HEMEL RALF

    IPC: D21H17/34 ,  D21H17/37 ,  D21H17/56 ,  D21H21/02

    Abstract: A process for the production of paper, board and cardboard by draining a paper stock containing interfering substances in the presence of polymers which contain vinylamine units and which have an average molar mass Mw of at least 1 million, a high-consistency stock first being prepared, at least one polymer containing vinylamine units and having an average molar mass Mw of at least 1 million and a degree of hydrolysis of from 1 to 20 mol % being metered into the high-consistency stock, the high-consistency stock being diluted to a low-consistency stock by adding water, and the low-consistency stock being drained, the polymers being hydrolyzed homo- or copolymers of N-vinylcarboxamides additives for reducing deposits in the wire part, press section and drying section of paper machines.

    Method and system network for treating the carbon oxide arising in the production of aluminium
    17.
    发明专利
    Method and system network for treating the carbon oxide arising in the production of aluminium 未知

    公开(公告)号：AU2020289191A1

    公开(公告)日：2021-12-23

    申请号：AU2020289191

    申请日：2020-05-28

    Applicant: BASF SE ,  THYSSENKRUPP AG ,  THYSSENKRUPP IND SOLUTIONS AG

    Inventor： SCHEIFF FREDERIK ,  LEDUC MARC ,  BODE ANDREAS ,  BUEKER KARSTEN ,  ANTWEILER NICOLAI

    IPC: C25C3/22 ,  C25C3/06 ,  C25C3/12

    Abstract: The invention relates to a method for treating an exhaust gas flow (9) arising in a system (7) for producing aluminium via the electrolytic reduction of aluminium oxide in a melt, using at least one anode made of a carbon-containing material, said exhaust gas flow containing carbon oxides due to the reduction of the aluminium oxide by means of the carbon, wherein, according to the invention, at least one sub-flow of the carbon oxide contained in the exhaust gas flow is reacted with hydrogen (23) or mixed with a hydrogen flow and then supplied for utilisation. After a purification and conditioning of the exhaust gas flow in a device (16), e.g. an enrichment with carbon monoxide can then be carried out in a reactor (20) and the syngas obtained in this way can be supplied to a chemical or biotechnological system (25) for the synthesis of valuable chemical substances.

    Procedimiento para fabricar papel, cartón y cartulina
    19.
    发明专利
    Procedimiento para fabricar papel, cartón y cartulina 未知

    公开(公告)号：ES2526200T3

    公开(公告)日：2015-01-08

    申请号：ES06793230

    申请日：2006-09-05

    Applicant: BASF SE

    Inventor： LEDUC MARC ,  KOCH OLIVER ,  CHAMP SIMON ,  BLUM RAINER ,  MERKEL ANDREAS ,  MENKE KNUT

    IPC: D21H17/37 ,  D21H17/55 ,  D21H17/56 ,  D21H17/68 ,  D21H21/10

    Abstract: Procedimiento para fabricar papel, cartón y cartulina mediante la deshidratación de una pasta de papel bajo formación de hojas en presencia de un sistema de agente de retención formado por al menos un polímero que contiene unidades vinilamino y al menos un polímero orgánico, aniónico, reticulado, en forma de partículas, caracterizado porque como sistema de agente de retención se usa (i) al menos un polímero que contiene unidades vinilamino en forma de las bases libres, de las sales y/o en forma cuaternada como polímero catiónico único, (ii) al menos un polímero aniónico, lineal con una masa molar Mw de al menos 1 millón y/o al menos un polímero ramificado, aniónico, hidrosoluble y/o bentonita y/o gel silícico, y (iii) al menos un polímero aniónico, reticulado, orgánico, en forma de partículas con un diámetro medio de partículas de al menos 1 μm y una viscosidad intrínseca de menos de 3 dl/g.

    METHOD FOR THE PRODUCTION OF PAPER, CARDBOARD AND CARD
    20.
    发明专利
    METHOD FOR THE PRODUCTION OF PAPER, CARDBOARD AND CARD 未知

    公开(公告)号：CA2624998C

    公开(公告)日：2013-11-19

    申请号：CA2624998

    申请日：2006-09-05

    Applicant: BASF SE

    Inventor： LEDUC MARC ,  KOCH OLIVER ,  CHAMP SIMON ,  BLUM RAINER ,  MERKEL ANDREAS ,  MENKE KNUT

    IPC: D21H21/10

    Abstract: Method for the production of paper, cardboard and card by dewatering a paper stock with sheet formation in the presence of a retention agent system made of (i) at least one vinylamine unit-containing polymer in the form of the free bases, the salts and/or in quaternized form as sole cationic polymer, (ii) at least one linear anionic polymer having a molar mass Mw of at least 1 million and/or at least one branched anionic water-soluble polymer and/or bentonite and/or silica gel and (iii) at least one particulate, anionic, crosslinked, organic polymer having an average particle diameter of at least 1 ~m and an intrinsic viscosity of less than 3 dl/g and also use of the retention agent system made of the components (i), (ii) and (iii) as additive in the production of paper, cardboard and card.

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