中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

309 records (took 0.023 seconds)

    Use of tetrahydrobenzoxazines as stabilisers
    131.
    发明专利
    Use of tetrahydrobenzoxazines as stabilisers 未知

    公开(公告)号：AU2006274052A1

    公开(公告)日：2007-02-01

    申请号：AU2006274052

    申请日：2006-07-18

    Applicant: BASF AG

    Inventor： LANGE ARNO ,  RATH HANS PETER ,  MACH HELMUT ,  POSSELT DIETMAR

    IPC: C07D265/16 ,  C07D498/04 ,  C10L1/22

    Abstract: Use of tetrahydrobenzoxazine compound (I) as stabilizers for the stabilization of dead organic materials against light, oxygen and heat. Use of tetrahydrobenzoxazine compound of formula (I) as stabilizers for the stabilization of dead organic materials against light, oxygen and heat. R 1> : 1-3000C hydrocarbyl (interrupted by one or more heteroatoms of O or S, and one or more NR 6>); R 6> : H or 1-4C alkyl; either R 2>, R 3>, R 5> : H, OH or 1-3000C hydrocarbyl (interrupted by one or more heteroatoms of O or S, and one or more NR 6>); and R 4> : H, OH or 1-3000C hydrocarbyl (interrupted by one or more heteroatoms of O or S, and one or more NR 6>); or R 4> : benzoxazine compound of formula (II), benzoxazine compound of formula (III) or (III-a); or R 2>+R 3> with benzol, R 3>+R 4> with benzol, R 4>+R 5> with benzol : O-CH 2-NR 7>-CH 2, O-CH 2-NR 8>-CH 2 or tetrahydro oxazine ring; X : hydrocarbon bridge containing one or more isobutene units; R 10>, R 11> : H or 1-10C-akyl; and R 7>, R 8> : 1-3000C hydrocarbyl (interrupted with one or more heteroatom of O or S, and one or more NR 6>). Where at least R 1>-R 8> has 4-3000C atoms and the remaining groups has 1-20C atoms. Independent claims are included for: (1) turbine fuel composition comprising a turbine fuel (jet fuel) and at least (I); (2) an additive concentrate for turbine fuels comprising (I), optionally at least a diluent and an additive; (3) a preparation of (I) comprising reacting substituted phenol, benzcatechin, resorcin, hydroquinone, phloroglucin or hydroxyhyroquinone with one mole of primary amine of formula (R 1>NH 2), (R 7>-NH 2) or (R 8>-NH 2), and two mole of formaldehyde or formaldehyde-free substance and two mole of alcohol of formula (R 9>-OH) in the presence of nitrogen reagent of formula (R 9>-O-CH 2-N(A)-CH 2-O-R 9>); and (4) tetrahydrobenzoxazine compound (I). A : R 1> or R 7>; and R 9> : 1-8C alcohol. [Image] [Image].

    Fuel additive mixtures for gasoline fuels having synergistic intake valve deposits (IVD) performance
    132.
    发明专利
    Fuel additive mixtures for gasoline fuels having synergistic intake valve deposits (IVD) performance 未知

    公开(公告)号：NZ534860A

    公开(公告)日：2006-10-27

    申请号：NZ53486003

    申请日：2003-03-05

    Applicant: BASF AG

    Inventor： SCHWAHN HARALD ,  POSSELT DIETMAR

    IPC: C10L1/22 ,  C10L1/06 ,  C10L1/14 ,  C10L1/18 ,  C10L1/182 ,  C10L1/185 ,  C10L1/222 ,  C10L1/234 ,  C10L10/00

    Abstract: Use of a synergistic additive mixture consisting of a synergistic mixture of a detergent additive component (A) and a synthetic carrier oil component (B) as a gasoline fuel additive for cleaning the engine intake system is disclosed, wherein: (i) the detergent additive component (A) is at least one polyalkene monoamine which is substituted by a hydrocarbyl radical having a number average molecular weight of from about 500 to 1300, the detergent additive component (A) being present in the fuel in an amount of from about 30 to 180 ppm by weight, and (ii) the carrier oil component (B) comprising at least one compound of the following formula (I): R-O-(A-O)X-H, in which R represents a linear or branched C6-C18 -alkyl group, A represents a C3- or C4 -alkylene group, and X represents an integer value of 5 to 35; said carrier oil component (B) being present in the fuel in an amount of about 10 to 180 ppm by weight.

    RECTIFICACIONES DEL PODER LUBRICANTE, Y COMPOSICIONES DE COMBUSTIBLE Y LUBRICANTE QUE CONTIENEN LOS MISMOS.
    140.
    发明专利
    RECTIFICACIONES DEL PODER LUBRICANTE, Y COMPOSICIONES DE COMBUSTIBLE Y LUBRICANTE QUE CONTIENEN LOS MISMOS. 未知

    公开(公告)号：ES2228644T3

    公开(公告)日：2005-04-16

    申请号：ES00985046

    申请日：2000-11-16

    Applicant: BASF AG

    Inventor： BRAND SIEGBERT ,  POSSELT DIETMAR

    IPC: C10L1/224 ,  C10L1/06 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/19 ,  C10L1/22 ,  C10L10/04 ,  C10L10/08 ,  C10M141/06 ,  C10M163/00

    Abstract: Mezcla de aditivos para combustibles Otto eficaz desde el punto de vista sinérgico, constituida por a) al menos un producto de reacción de un ácido dicarboxílico o un derivado de ácido dicarboxílico con una amina de cadena larga, alifática, comprendiendo el producto de reacción un compuesto de la siguiente fórmula general I: donde R representa un grupo puente, que es seleccionado entre ¿(CH2)n- con n = 2 ¿ 4 y ¿CH=CH-, y que está substituido, en caso dado una o varias veces, con substituyentes seleccionados entre hidroxi, alquilo con 1 a 4 átomos de carbono e hidroxi-alquilo con 1 a 4 átomos de carbono, R1representa NR3R4, donde R3 y R4 son iguales o diferentes, y representan un resto alifático de cadena lineal o ramificado, seleccionado entre alquilo con 8 a 20 átomos de carbono, alquenilo con 8 a 20 átomos de carbono, mono- o poliinsaturado, alquiloxi con 8 a 20 átomos de carbono, y alqueniloxi con 8 a 20 átomos de carbono mono- o poliinsaturado; o uno de los restos R3 y R4 representa H yel otro resto representa un resto alifático según la anterior definición; R2representa OH o O-NR5R6+, donde R5 y R6, independientemente entre sí, e independientemente de R3 y R4, poseen los significados indicados para R3 y R4, y b) al menos un éster de ácido graso o un componente que contiene éster de ácido graso.

Patent Agency Ranking