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| Process for preparing 6-aminopenicillanic acid |
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| Process for making T cell hybridomas |
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| Reinforced cement |
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| Treated patch for minor cuts |
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| Melanin inhibiting cosmetic composition |
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| Microorganisms for biodegrading toxic chemicals |
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| Bacterial method and compositions for degrading hydrocarbons |
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| Ionic compounds formed from iron and urea |
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Method of washing textiles and composition containing inorganic silicates and polycarboxylates and/or polyphosphonates
| Details |
Inventors: Schwuger, Milan J.; Smolka, Heinz; Rostek, Manfred;
Assignee: Henkel Kommanditgesellschaft auf Aktien (Dusseldorf, DE)
Primary Examiner: Clingman; A. Lionel
Assistant Examiner:
Attorney, Agent or Firm: Hammond & Littell
A method of treating soiled textiles, wherein the soiled textiles are immersed in an aqueous liquor which contains at least two compounds inhibiting alkaline earth metal ion precipitation on said soiled textiles comprising using (1) from 0.2 to 10 gm of anhydrous active substance per liter of at least one finely-dispersed, water-insoluble silicate compound having a calcium-binding power of at least 50 mg CaO/gm of anhydrous active substance and having the formula, combined water not shown (M.sub.2/n O).sub.x . Me.sub.2 O.sub.3 . (SiO.sub.2).sub.y where M is a cation of the valence n, exchangeable with calcium, x is a number of from 0.7 to 1.5, Me is aluminum or boron, and y is a number from 0.8 to 6, and (2) from 0.05 to 2gm/l of at least one of certain polyphosphonates; as well as washing compositions containing said at least two compounds. |
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DETAILED DESCRIPTION We claim: 1.
A process of treating soiled textiles by contacting soiled textiles with an aqueous liquor containing at least two compounds inhibiting alkaline earth metal ion precipitation on said soiled textiles as well as optionally at least one surface-active compound for a time sufficient to disperse or dissolve the soil from said soiled textiles into said aqueous liquor, separating said aqueous liquor and recovering said textiles substantially soil free, comprising using: (1) from 0.
2 to 10 gm of anhydrous active substance per liter of at least one finely-dispersed, water-insoluble silicate compound containing at least some combined water and having primary particles in the size range of from 100 .
mu.
to 0.
01 .
mu.
and a calcium binding power of from 100 to 200 mg CaO/gm of anhydrous active substance when measured at 22.
degree.
C.
by the Calcium Binding Power Test Method set out in the specification, and the formula on the anhydrous basis (M.
sub.
2 O).
sub.
x .
Me.
sub.
2 O.
sub.
3 .
(SiO.
sub.
2).
sub.
y where M is a cation selected from the group consisting of sodium, lithium, potassium and ammonium, x is a number of from 0.
7 to 1.
5, Me is a member selected from the group consisting of aluminum and boron, and y is a number from 0.
8 to 6, and (2) from 0.
05 to 2 gm per liter of at least one water-soluble compound inhibiting alkaline earth metal ion precipitation selected from the group consisting of the free acid and acid salts of cations selected from the group consisting of alkali metals and ammonium of the following acids: (A) An azacycloalkane-2,2-diphosphonic acid having the formula ##STR10## wherein m is an integer from 3 to 5 and R.
sub.
3 is selected from the group consisting of hydrogen and alkyl and having 1 to 3 carbon atoms, (B) A cyclic aminophosphonic acid having the formula ##STR11## wherein p is an integer from 1 to 3 and R.
sub.
1 is selected from the group consisting of hydrogen and alkyl having 1 to 6 carbon atoms, (C) Pyrrolidone-5,5-diphosphonic acid and N-alkylpyrrolidone-5,5-diphosphonic acid where alkyl has from 1 to 6 carbon atoms, (D) 3-amino-1-hydroxypropane-1,1-diphosphonic acid, and (E) A polyphosphonic acid having the formula ##STR12## wherein X is a member selected from the group consisting of OH and NH
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Molecular Biology 
