Use of modified polyaspartic acids in washing agents
    11.
    发明授权
    Use of modified polyaspartic acids in washing agents 失效
    在洗涤剂中使用改性聚天冬氨酸

    公开(公告)号:US6001798A

    公开(公告)日:1999-12-14

    申请号:US29247

    申请日:1998-03-04

    CPC classification number: C08G73/1092 C11D3/3719

    Abstract: The use of modified polyaspartic acids which are obtainable by polycondensation of aspartic acid in the presence of, in each case based on the aspartic acid employed,(a) 2.5 to 25 mol % of amines with at least 6 carbon atoms(b) at least 2% by weight of phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids,at temperatures of at least 120.degree. C. and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of from 0.5 to 10% by weight, as additive to detergents, and detergents which contain the modified polyaspartic acids in amounts of from 0.1 to 20% by weight.

    Abstract translation: PCT No.PCT / EP96 / 03797 371日期:1998年3月4日 102(e)1998年3月4日PCT PCT 1996年8月29日PCT公布。 出版物WO97 / 09409 日期1997年3月13日使用通过天冬氨酸缩聚获得的改性聚天冬氨酸,在每种情况下,基于所使用的天冬氨酸,(a)2.5至25mol%具有至少6个碳原子的胺 (b)在至少120℃的温度下至少2重量%的磷酸,亚磷酸,次磷酸,多磷酸,五氧化二磷,膦酸或所述酸的混合物,随后用碱水解,得到改性的 磷含量为0.5〜10重量%的聚天冬氨酸,作为洗涤剂的添加剂,以及含有0.1〜20重量%的改性聚天冬氨酸的洗涤剂。

    Preparation of salts of polyaspartic acid and their use in detergents
and cleaners
    12.
    发明授权
    Preparation of salts of polyaspartic acid and their use in detergents and cleaners 失效
    聚天冬氨酸盐的制备及其在洗涤剂和清洁剂中的应用

    公开(公告)号:US5886137A

    公开(公告)日:1999-03-23

    申请号:US776524

    申请日:1997-02-27

    CPC classification number: C02F5/12 C08G73/1092 C11D3/3719

    Abstract: A process for preparing salts of polyaspartic acid by treating polycondensates in aqueous medium with bases, employing at least 0.7 equivalent of an alkali metal and/or alkaline earth metal base per mole of the aspartimide, aspartic acid and/or aspartamide units present in the polycondensates, and the bases being added within from 30 min to 20 hours to an aqueous suspension of polycondensates of aspartic acid which has been heated to 40.degree.-140.degree. C., and the reaction mixture being allowed to react further where appropriate, and the use of alkali metal and/or alkaline earth metal salts of polyaspartic acids obtainable by treating polycondensates of aspartic acid in aqueous medium with more than 1 equivalent of an alkali metal and/or alkaline earth metal base, with the molecular weight of the polycondensates being reduced, as additive to detergents and cleaners.

    Abstract translation: PCT No.PCT / EP95 / 03224 Sec。 371日期1997年2月27日 102(e)日期1997年2月27日PCT提交1995年8月16日PCT公布。 出版物WO96 / 06879 日期1996年3月7日一种通过在水性介质中用碱处理缩聚物来制备聚天冬氨酸盐的方法,每摩尔天冬氨酰亚胺,天冬氨酸和/或天冬氨酰胺使用至少0.7当量碱金属和/或碱土金属碱 存在于缩聚物中的单元,并将碱在30分钟至20小时内加入已加热至40-140℃的天冬氨酸缩聚物的水性悬浮液,并使反应混合物进一步反应其中 适当地使用聚天冬氨酸的碱金属和/或碱土金属盐,其可以通过在水性介质中用多于1当量的碱金属和/或碱土金属碱处理天冬氨酸的缩聚物而获得,分子量为 减缩的缩聚物作为洗涤剂和清洁剂的添加剂。

    Process for preparing cocondensates of aspartic acid amines
    16.
    发明授权
    Process for preparing cocondensates of aspartic acid amines 失效
    制备天冬氨酸胺缩合物的方法

    公开(公告)号:US06063961A

    公开(公告)日:2000-05-16

    申请号:US147370

    申请日:1998-12-10

    Inventor: Matthias Kroner

    CPC classification number: C08G73/1092

    Abstract: A process for preparing cocondensates of aspartic acid and amines by heating aspartic acid and amines in the presence of acidic catalysts comprises supplying the feed region of the extruder with particulate aspartic acid and a downstream metering zone with at least one amine and at least one acidic catalyst, condensing the resulting mixture to such an extent by heating that the downstream end of the extruder discharges a precondensate which contains at least 20-95% by weight of the starting aspartic acid in condensed form, and then completing the condensation of the precondensate. The cocondensates are useful as incrustation inhibitors in detergents.

    Abstract translation: PCT No.PCT / EP97 / 03751 Sec。 371 1998年12月10日第 102(e)日期1998年12月10日PCT 1997年7月14日PCT公布。 第WO98 / 04613号公报 日本1998年2月5日在酸性催化剂存在下,通过加热天冬氨酸和胺来制备天冬氨酸和胺的缩合物的方法包括将挤出机的进料区域供给至少一种胺的颗粒天冬氨酸和下游计量区, 至少一种酸性催化剂,通过加热将所得混合物冷凝至这样的程度,使得挤出机的下游端排出包含至少20-95重量%浓缩形式的起始天冬氨酸的预缩合物,然后完成冷凝 的预缩合物。 共缩合物可用作洗涤剂中的结垢抑制剂。

    Preparation of polycondensates of aspartic acid and use of the
polycondensates
    18.
    发明授权
    Preparation of polycondensates of aspartic acid and use of the polycondensates 失效
    制备天冬氨酸缩聚物和使用缩聚物

    公开(公告)号:US5888959A

    公开(公告)日:1999-03-30

    申请号:US776709

    申请日:1997-02-12

    CPC classification number: C02F5/12 C08G73/0611 C08G73/1092 C11D3/3719

    Abstract: Process for preparing polycondensates of aspartic acid by polycondensation of aspartic acid at from 140.degree. to 300.degree. C. in the presence of sulfuric acid which has been partially neutralized with ammonia and/or amines as catalyst, and use of the reaction mixtures obtainable in this way or of the reaction mixtures neutralized with alkali metal or alkaline earth metal bases as additive to phosphate-free or reduced phosphate detergents and cleaners.

    Abstract translation: PCT No.PCT / EP95 / 03004 Sec。 371日期1997年2月12日 102(e)1997年2月12日PCT PCT 1995年7月28日PCT公布。 出版物WO96 / 05242 日本1996年2月22日在氨水和/或胺作为催化剂部分中和的硫酸存在下,通过天冬氨酸在140〜300℃缩聚制备天冬氨酸缩聚物的方法, 以这种方式获得的反应混合物或用碱金属或碱土金属碱中和的反应混合物作为无磷酸盐或还原型磷酸盐洗涤剂和清洁剂的添加剂。

    Biodegradable polymers, the preparation thereof and the use thereof for
producing biodegradable moldings
    20.
    发明授权
    Biodegradable polymers, the preparation thereof and the use thereof for producing biodegradable moldings 失效
    生物可降解聚合物,其制备方法及其生产可生物降解成型品的用途

    公开(公告)号:US5817721A

    公开(公告)日:1998-10-06

    申请号:US836311

    申请日:1997-05-12

    CPC classification number: C08G63/91 C08G63/60

    Abstract: A biodegradable polyester obtainable by reacting a mixture comprising (a1) from 95 to 99.9% by weight of a polyester P1 obtainable by reacting a mixture essentially comprising (b1) a mixture comprising 35-95 mol % of adipic acid or ester-forming derivatives thereof, 5-65 mol % of terephthalic acid or ester-forming derivatives thereof, and 0-5 mol % of a compound containing sulfonate groups, and (b2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols, with the proviso that a compound D with at least three groups capable of ester formation is employed to prepare the polyester P1, (a2) from 0.1 to 5% by weight of a divinyl ether C1 and (a3) from 0 to 5 mol %, based on component (b1) from the preparation of P1, of compound D, and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings and adhesives.

    Abstract translation: PCT No.PCT / EP95 / 04335 371日期1997年5月12日 102(e)日期1997年5月12日PCT提交1995年11月4日PCT公布。 公开号WO96 / 15175 PCT 日期1996年5月23日一种可生物降解的聚酯,其可通过使包含(a1)95-99.9重量%的聚酯P1的混合物反应获得,所述聚酯P1可通过使基本上包含(b1)包含35-95mol%己二酸或酯 5-35摩尔%的对苯二甲酸或其成酯衍生物,以及0-5摩尔%的含有磺酸盐基团的化合物,和(b2)选自下组的二羟基化合物:C 2 -C 6 - 链烷二醇和C 5 -C 10环烷二醇,条件是使用具有至少三个能够形成酯的基团的化合物D来制备聚酯P1,(a2)0.1至5重量%的二乙烯基醚C1和(a3 )为0〜5摩尔%,基于化合物D的P1的制备成分(b1),其他可生物降解的聚合物和热塑性成型组合物,其制备方法,其用于生产可生物降解的成型品和粘合剂的用途。

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