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| Number | Title | Issue Date |
| 6607629 | Process for the perfect binding of printed articles Adhesive systems comprised of one or more photoinitiators and one or more adhesives capable of radiation-induced reaction are useful in one-step or multi-step perfect binding of books and other printed articles. The adhesive may be a low viscosity mixture... | 08/19/2003 |
| 6593405 | Method for elastifying and extending polymers with PVC-homo-and copolymers or with EVA-copolymers in gel form Methods for elastifying and extending polymers with EVA copolymers, PVC homopolymers or PVC copolymers in gel form are described. The elastified and extended polymers are useful as sealing materials, adhesives and sealants.... | 07/15/2003 |
| 6576327 | Multi-layer, flexible transfer tape Multi-layer flexible transfer tapes are provided which are useful for covering printing or typing errors in texts or drawings so that corrections may be made. The transfer tapes are characterized by the inclusion of two binder-containing pigmented transfe... | 06/10/2003 |
| 6565735 | Process for electrolytic pickling using nitric acid-free solutions A process for electrolytic pickling of stainless steel of the ferritic, martensitic, austenitic and duplex series as well as superaustenitic and superferritic steels, nickel or Ni/Cr-based super alloys, and titanium and its alloys is provided. The process... | 05/20/2003 |
| 6565645 | Water-resistant hydraulically setting compositions A hydraulic setting composition is provided. The composition when set has improved water absorption properties. The composition contains a hydraulically setting inorganic material such as calcium sulfate and an auxiliary of the formula A(--X[--CH2 | 05/20/2003 |
| 6540931 | Removal of copper kiss from pickling high copper alloys When iron group, especially high nickel, metal alloys that contain substantial amounts of copper are pickled, a displacement coating of copper that is called a "copper kiss" often forms on the pickled surface from the dissolved copper ions in the pickling... | 04/01/2003 |
| 6524396 | Agent and method for machining metal and for cleaning metal or anticorrosion treatment A process for metal cutting using a water-mixed cutting compound and subsequent cleansing and corrosion protective treatment wherein an oil in water emulsion is used as a cutting compound which contains; (I) an amount emulsifier system consisting of: (a) ethyo... | 02/25/2003 |
| 6515164 | Low monomer polyurethane prepolymer and process therefore A low-monomer PU prepolymer containing free NCO groups which is obtained from polyhydric alcohols and diisocyanates differing in their reactivity and which is distinguished by the ratio of the NCO groups of the partly slower-reacting diisocyanate to the N... | 02/04/2003 |
| 6488989 | Hydrophilicizing surfaces, especially aluminum An especially effective hydrophilicizing treatment for solid surfaces, particularly those of conversion coated aluminum, is a liquid mixture of water, organic polymer molecules that include sulfonyl/ate moieties, and preferably also a substance made by mi... | 12/03/2002 |
| 6482876 | Agglomerates for the production of an aqueous binder system The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch, cellulose ether and fully synthetic vinyl polymers and/or poly... | 11/19/2002 |
| 6482875 | Thermoplastic composite material The invention relates to a thermoplastic composite material containing at least 15 percent by weight of one or more organic fibrous material, and at least 15 percent by weight of thermoplastic binder, with binder containing at least two different polyacry... | 11/19/2002 |
| 6464879 | Treatment of phosphatizing waste water A process for treating phosphatising bath overflow and/or wash water after phosphatising, phosphatising being performed using an acid, aqueous phosphatising solution which contains from 3 to 50 g/l of phosphate ions, calculated as PO43- | 10/15/2002 |
| 6461450 | Method for controlling the coating weight for strip-phosphating A process for controlling the layer weight during the phosphating of steel strip zinc-coated on one or both sides, using a phosphating solution which contains 1 to 6 g/l zinc ions and 10 to 30 g/l phosphate ions, characterized in that a Fe(II) ion content... | 10/08/2002 |
| 6461449 | Conversion coating zinciferous surfaces to resist blackening and white rust Metal surfaces, particularly the zinciferous surfaces of zinc-coated steel, can be given a chromate conversion coating that is superior in terms of blackening resistance and white rust resistance by drying into place on the surfaces a layer of a treatment... | 10/08/2002 |
| 6448338 | Hot-setting wash-fast sealant for shell structures Hot-pumpable, heat-curing compositions based on solid ethylene/vinyl acetate copolymers and liquid reactive plasticizers containing olefinically unsaturated double bonds and at least one peroxidic crosslinking agent are suitable as sealing compounds for s... | 09/10/2002 |
| 6447665 | Faster two-step sealing of anodized aluminum surfaces Anodized aluminum surfaces are advantageously sealed by an energy- and time-saving two step process, in which the first step is contact at not more than 75° C. with a solution containing lithium and fluoride ions and, optionally, surfactant. The second n... | 09/10/2002 |
| 6440231 | Process for the collective pretreatment of steel, galvanized steel, magnesium and aluminum before bonding to rubber A process for the production of a rubber-to-metal bond on steel, galvanized steel, aluminum and/or magnesium is provided The process comprises at least the following steps: a) chemical pretreatment of the metal parts, b) intermediate rinsing, and c) vulcanizin... | 08/27/2002 |
| 6432237 | Surface improving process The uneven surfaces of wood-based materials such as chipboard may be improved by applying a formable coating material, smoothing and/or modelling the coating material to achieve a smoother surface, and heating the coating material to form closed pores whi... | 08/13/2002 |
| 6425955 | Process for avoiding foaming during cleaning of metal salts of intermediate length carboxylic acids from surfaces Aqueous alkaline cleaning solutions are used to remove metal intermediate length carboxylate salts from a solid substrate. Foaming of the aqueous alkaline cleaning solution can be adequately reduced by treating the anions of the metal intermediate length ... | 07/30/2002 |
| 6379474 | Phosphating method accelerated by N-oxides An acidic aqueous phosphating solution is presented having 0.2 to 3 g/l of zinc ions, 3 to 50 g/l of phosphate ions expressed as PO4-3, and 0.05 to 4 g/l of an organic N-oxide containing a saturated, unsaturated or aromatic 5- or 6-m... | 04/30/2002 |
