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    • 93. 发明授权
    • Phosphate-built automatic dishwashing composition comprising catalysts
    • 含磷酸盐的自动餐具洗涤组合物包含催化剂
    • US5939373A
    • 1999-08-17
    • US28633
    • 1998-02-24
    • Donna Jean HaeggbergWilliam Michael Scheper
    • Donna Jean HaeggbergWilliam Michael Scheper
    • C11D3/02C11D1/722C11D3/06C11D3/16C11D3/36C11D3/39C11D3/395C11D17/00C11D7/16C11D7/18C11D7/42
    • C11D1/722C11D17/0039C11D3/06C11D3/3927C11D3/3932C11D3/3935
    • Automatic dishwashing detergent compositions comprising phosphate builder and metal-containing bleach catalyst, preferably catalysts containing manganese and/or selected from selected cobalt/ammonia catalysts. Preferred compositions comprise cobalt bleach catalyst having the formula:�Co(NH3).sub.n (M).sub.m (B).sub.b !T.sub.ywherein cobalt is in the +3 oxidation state; n is 4 or 5 (preferably 5); M is one or more ligands coordinated to the cobalt by one site; B is a ligand coordinated to the cobalt by two sites; b is 0 or 1 (preferably 0); and when b=0, then m+n 6, and when b=1, then m=0 and n=4; and T is one or more appropriately selected counteranions present in a number y, wherein y is an integer to obtain a charge-balanced salt (preferably y is 1-3; most preferably 2 when T is a -1 charged anion); and wherein further the catalyst has a base hydrolysis rate constant of less than 0.23M.sup.-1 s.sup.-1 at 25.degree. C. Preferred automatic dishwashing compositions further comprise amylase and/or protease.
    • 包括磷酸盐助洗剂和含金属的漂白催化剂的自动餐具洗涤剂组合物,优选含有锰和/或选自选择的钴/氨催化剂的催化剂。 优选的组合物包含具有下式的钴漂白催化剂:[Co(NH 3)n(M)m(B)b]其中钴处于+3氧化态; n为4或5(优选5); M是通过一个位点与钴配位的一种或多种配体; B是通过两个位点与钴配位的配体; b为0或1(优选0); 当b = 0时,m + n 6,当b = 1时,m = 0,n = 4; 并且T是存在于数y中的一个或多个适当选择的余离子,其中y是获得电荷平衡盐的整数(优选地,y为1-3;当T为带负电荷的阴离子时,最优选为2)。 并且其中所述催化剂在25℃下的碱水解速率常数小于0.23M-1s -1。优选的自动餐具洗涤组合物还包含淀粉酶和/或蛋白酶。