摘要:
The invention relates to the use of mutated protease of the subtilisin type which carries at least one mutation in its amino acid sequence, leading to a reduced positive charge or an increased negative charge in the substrate binding region of the molecule, in liquid to gel-form laundry detergents. This protease shows increased stability above all in detergents such as these.
摘要:
An enzyme granule and means for producing the enzyme granule is presented. The enzyme granule is composed of an enzyme, a carrier material, and a coating system of 5 to 70 percent by weight fine-particle inorganic water-insoluble pigment, 45 to 90 percent by weight of a water-soluble organic substance having a melting point of from 40 to 70° C., and 0 to 30 percent by weight of a flow improver. The granule can be produced by mixing an aqueous enzyme liquid with an inorganic or organic carrier material to form an enzyme compound, extruding the enzyme compound, spheronizing the extrudate, and applying an outer coating layer of the coating system listed above to form an enzyme granule having a mean particle size of 0.8 to 1.4 millimeters. The coated enzyme granule has increased storage stability, even coloration, reduced odor, and releases enzyme activity quickly in water. The enzyme granule is useful in solid detergents.
摘要:
The invention relates to a novel alkaline protease of the subtilisin type from Bacillus sp. (DSM 14392) and various related proteins and derivatives thereof. The invention further relates to washing and cleaning agents comprising novel alkaline proteases of the subtilisin type, various related proteins and derivatives thereof and corresponding washing and cleaning methods and use thereof in washing and cleaning agents and further technical applications.
摘要:
The invention relates to a novel alkaline protease, the DNA thereof having been taken from a bottom sample, to all alkaline proteases that are at least 40% identical, and to all nucleic acids with an identity at least 50% homologous with the associated nucleic acids. The invention also relates to the fragment of said protease, comprising the amino acid positions 108 to 325, in addition to the gene fragment coding therefor, and to all alkaline proteases that are at least 60% identical, or nucleic acids that are at least 70% identical. Furthermore, the invention defines technical possibilities of use for said proteases and especially describes the use thereof in washing and cleaning products.
摘要:
A detergent or cleaning agent that exhibits high bleaching properties without attacking the textiles to be cleaned or hard surfaces in an unreasonably harsh manner. Said aim is achieved by using a combination consisting of a percarbonate-based bleaching agent and a persulfate-based bleaching agent.
摘要:
The invention relates to sodium silicates with a modulus (molar ratio of SiO.sub.2 to Na.sub.2 O) of 1.3 to 4 in the form of a fine-particle solid in shard-like form or compounds containing these silicates with the ability to reduce incrustation when used as a builder component in detergents. These useful materials are distinguished in particular by the fact that they are in the form of an X-ray amorphous overdried material (primary drying product) with water contents below 15% by weight and apparent densities of the non-compacted solid granules of 500 g/l or lower which has been produced by drying of a water-containing sodium silicate preparation using a hot gas phase as the drying medium and/or by heating of a spray-dried sodium silicate with water contents of at least 15% by weight at temperatures of 120.degree.to 450.degree. C., if necessary accompanied or followed by the application of forces to produce the shard-like structure. The invention also relates to multicomponent mixtures from the field of solid detergents or multicomponent compounds suitable for this field of application which are characterized by the presence of the sodium silicates defined above.
摘要:
A detergent or cleaning composition containing a copolymeric polycarboxylic acid or salt thereof which is a terpolymer of (a) a monoethylenically unsaturated C.sub.3-8 carboxylic acid, (b) a 2-alkyl or aryl allylsulfonic acid, and (c) a carbohydrate. The invention also relates to builder compositions containing the above terpolymer.
摘要:
A process and surfactant-containing composition for reducing incrustation on washed laundry. The composition contains finely-divided, water-insoluble builder components and an at least partly water-soluble co-builder which is the oxidation product of polyglucosans wherein, on average, at least 15 mole percent thereof consists of oxidized anhydroglucose units corresponding to formula I ##STR1## and which have an average molecular weight of up to 15,000.
摘要:
The invention relates to a novel enzyme obtained from Bacillus agaradherens (DSM 9948), which can be regarded as cyclodextrin glucanotransferase (CGTase) and also as α-amylase. The invention also relates to sufficiently similar proteins or derivatives that exhibit amylolytic and/or CGTase activity, to the corresponding nucleic acids and micro-organisms that produce said proteins and derivatives, to methods for the production of said proteins and to diverse uses of the same. In addition, said proteins can be further developed for other, predominantly technical purposes. The invention relates in particular to detergents and cleaning agents containing CGTase of this type, to methods for cleaning textiles or hard surfaces using CGTase of this type or corresponding agents and to the use thereof for cleaning textiles or hard surfaces.
摘要:
The invention relates to a novel amylolytic enzyme extracted from the microorganism Bacillus sp. A 7-7 (DSM 12368), to sufficiently similar proteins having an amylolytic function, to methods for the production thereof and to diverse fields of application for these proteins. In addition, they can be further developed beyond the implemented fields of application for other, above all, technical purposes. The invention particularly relates to washing and cleaning agents containing amylolytic proteins of the aforementioned type, to methods for cleaning textiles or hard surfaces that involve the use of such amylolytic proteins or analogous agents, and to their use for cleaning textiles or hard surfaces.