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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7252687 | Process for making wet-pink leather A process of combination tannage is disclosed whereby Zirconium salt is complexed with THP salt to produce wet pink leather without using any conventional dye. The resulting leathers exhibit a shrinkage temperature of more than 100° C., and other properties compara... | 08/07/2007 |
| 7208016 | Chromium-free, waterproof leather Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338 , of at least 30 min. ... | 04/24/2007 |
| 7063728 | Process for making chrome tanned leathers The present invention provides an improved pickling and bating free process suitable for both hides and skins for making chrome tanned leathers by using a mixture of conventional chrome tanning salt and alkali metal salt is used at a pH in the range of 5–5.5. ... | 06/20/2006 |
| 7060363 | Chromium-free, waterproof leather Chromium-free leather having a waterproofness, measured as penetration time according to DIN 53338, of at least 30 min. ... | 06/13/2006 |
| 7029553 | Urea sulfate and urea hydrochloride in paper and pulp processing The present invention relates to the use of urea sulfate or urea hydrochloride, or both, in process streams in the paper and pulping industries to control pH, to bring about flocculation or precipitation of various materials, and to replace all or part of the sulfur... | 04/18/2006 |
| 6906146 | COMPOSITIONS HAVING ETHYLENIC BACKBONE AND BENZYLIC, ALLYLIC, OR ETHER-CONTAINING SIDE-CHAINS, OXYGEN SCAVENGING COMPOSITIONS CONTAINING SAME, AND PROCESS FOR MAKING THESE COMPOSITIONS BY ESTERIFICATION OR TRANSESTERIFICATION OF A POLYMER MELT Disclosed is a process for esterifying and/or transesterifying a polymer having a polyethylenic backbone and pendant acid and/or ester moieties comprising contacting a melt of the polymer with a transesterifying compound so that the polymer undergoes esterification ... | 06/14/2005 |
| 6827745 | Mixture of THP and a moderator to tan leather A mixture of THP and a moderator is used to tan leather. The moderator is selected from metaphosphates and polyhydroxy or polypyrolidyl compounds such as glycerol, carboxydrates PVA or PVP. ... | 12/07/2004 |
| 6685747 | Mixture of THP and chrome as tanning agents THP and chrome are synergistic tanning agents. The combination of THP with small amounts of chrome and optionally non-ionic and/or cationic surfactants gives increased area yield and shrink temperature compared with THP, and reduced environmental impact c... | 02/03/2004 |
| 6478866 | Aqueous pigment preparations Aqueous pigment preparations containing a) at least one pigment, b) at least one condensation product based on A) suphonated aromatics, B) aldehydes and/or ketones and optionally C) one or several compounds selected from the group of non sulphonated aroma... | 11/12/2002 |
| 6200640 | Polymer composition and process for treating leather and fur skins Aqueous solutions or dispersions of copolymers obtainable by free-radical copolymerization of (a) from 20 to 90% by weight of at least one monoethylenically unsaturated C4-6 -dicarboxylic acid or the anhydride thereof, as component A, (b) from 5 to ... | 03/13/2001 |
| 5985167 | Wet treatment of leather hides Wet leather treating compositions and methods of wet treating leather hides employing alkylpolyglycosides for enhancing the penetration and absorption of the leather treatment formulations in an environmentally safe manner. The compositions are substantia... | 11/16/1999 |
| 5972037 | Leather tanning processes and the products thereof The production of household-machine washable and dryable, waterproof, nonflammable, and extremely colorfast leathers from wet blue hides by a process which has the advantage that significantly reduced volumes of toxic wastes are generated. The wet blue hi... | 10/26/1999 |
| 5885302 | Leather tanning process The present invention refers to a new process meant for chrome and/or vegetable leather tanning. The process proposed by the invention comprises the steps of bating or purging, conditioning, and chrome and/or vegetable tannage. The conditioning step uses ... | 03/23/1999 |
| 5820634 | Process for tanning leather Bisulphite-blocked, polyether-modified polyisocyanates are outstandingly suitable, in combination with mineral tanning agents, for the tanning of leather.... | 10/13/1998 |
| 5725599 | Process for mineral tanning, re-tanning or leather after-treatment A process for the production of mineral tanned or/and re-tanned or/and after-treated leather or pelt, wherein before the mineral tanning, directly after the mineral tanning, directly before the mineral re-tanning, after the mineral re-tanning or/and with ... | 03/10/1998 |
| 5580355 | Leather tanning agent and standardizing agents for dyestuffs Polyaspartic acid and its salts and anhydrides are outstandingly suitable as tanning agents, as retanning agents and as standardizing agents for dyestuffs.... | 12/03/1996 |
| 5567205 | Wet treatment of leather hides Wet leather treating compositions and methods of wet treating leather hides employing alkylpolyglycosides for enhancing the penetration and absorption of the leather treatment formulations in an environmentally safe manner. The compositions are substantia... | 10/22/1996 |
| 5512058 | Process for the treatment of skins, hides or shett materials containing collagen by a dense, pressurized fluid A process for the treatment of products constituted by hides and skins with a view towards their transformation into leather, and for the treatment of leather which involves contacting the product with a dense, pressurized fluid, such as CO2, i... | 04/30/1996 |
| 5501709 | Economy and plumping chrome tanning The present invention relates to a process for economy and plumping chrome tanning by admixing the pelts in the pickle bath with an aldehyde- and/or keto-carboxylic acid and then tanning, which comprises, prior to the addition of the aldehyde- and/or keto... | 03/26/1996 |
| 5501708 | Process for tanning hides and compounds for use therein An organic polyol ester of a polycarboxylic acid having formulae (Para) and/or (Meta) and/or (Ortho), wherein R6 is --(COOR1)x, or (I)1 R7 is H; or R6 and R7 together for (II); R1 ... | 03/26/1996 |
| 5500020 | Process for titanium-based mixed tannings The tanning of skins is carried out using a titanium-based compound in a percentage of 5% to 10% and especially of 6% with respect to the pelt weight of the skins; a washing treatment is carried out between a basification phase and a further tanning phase... | 03/19/1996 |
| 5480456 | Silica sols for obtaining a hide which is called a stabilized pickled or white or stabilized white Use of an aqueous silica sol for obtaining a stabilized pickled white or a stabilized white from a hide, in particular by treatment of a hide at a pH between 1 and 8, at ambient temperature, in an aqueous or brine bath with a density between 1.014 and 1.0... | 01/02/1996 |
| 5464451 | Re-tanning process A process for the re-tanning of tanned leather or pelt, wherein the tanned leather pelt is re-tanned with (A) a polymeric carboxylic acid, containing -hydroxyacrylic units as constituent units of the polymer, optionally in salt form with the proviso tha... | 11/07/1995 |
| 5409501 | Dilutable aluminum triformate tanning agents in the form of highly concentrated, storable aqueous solutions and their use Described is the use of at least substantially storage-stable supersaturated and acidified aqueous solutions of mixtures of aluminum triformate and alkali-metal and/or alkaline-earth formates as a means of supplying a water-dissolved mineral tanning agent... | 04/25/1995 |
| 5326377 | Method of treating hides There is described a method for treating delimed and bated hides, i.e. pelts. According to the inventive method, the pelts are brought to a suitable mineral tanning state and then tanned with mineral salts. The inventive treatment process corresponds to t... | 07/05/1994 |
| 5274078 | Process for producing collagen powder A collagen powder is obtained by wet-pulverizing a purified animal tissue consisting mainly of collagen in water at a collagen concentration of 1-30% by weight at a water temperature of not more than 37° C. and a pH value of 2-8, tanning treating the pul... | 12/28/1993 |
| 5098446 | Use of fluorochemicals in leather manufacture Leather manufacturing processes are described in which fluorochemicals are included in the various processing baths to improve efficiency, reduce processing time, and increase the quality of the finished leather product. Various types of fluorochemicals a... | 03/24/1992 |
| 4999024 | Leather tanning process An improved leather tanning process is provided for producing leather which can be washed in water substantially without drying or cracking. The tanning process includes preliminary treatment steps during which skins are tumbled in a heated bath containin... | 03/12/1991 |
| 4963156 | Tanning agent and process A leather tanning agent for use as a sole tannage or with another includes Al (III) ions, Ti (IV) ions and an organic masking agent in specific proportions. The ratio of Ti:Al expressed as metal oxides TiO2 :Al2 O3 on a we... | 10/16/1990 |
| 4960429 | Chromium free process for the tanning of hides A process for the tanning of skins applicable to lamb, goat, calf hides, or skins from other origins. The process is based in the previous modification of the collagen of the skin by covalent reaction with polyfunctional polymers with a high quantity of h... | 10/02/1990 |
| 4937009 | Leather tanning process using aluminium (III) and titanium (IV) complexes In a leather tanning process, animal skins are treated with a tanning agent comprising an aluminium (III)/titanium (IV) mixed complex with a salt of a polyhydroxymonocarboxylic acid as a masking compound. The masking compound preferably has the general fo... | 06/26/1990 |
| 4919680 | High-extraction chrome tanning process Crome tanning of pickled animal hides with a tanning agent comprising a reaction product of a basic chromium (III) sulfate and aliphatic C4 -C6 dicarboxylic acids or their salts is improved by preparing the reaction product in an aqu... | 04/24/1990 |
| 4834763 | Process for the retanning of chrome leathers The present invention relates to a process for the retanning (afterchroming) of chrome leathers. It has been found very high chromium exhaustion of the liquor can be achieved if the leather is retanned with mixtures of, (a) chromium (III) salts, (b) from ... | 05/30/1989 |
| 4750906 | Process for the retanning of mineral tanned leather The present invention concerns retanning agents for mineral tanned leathers. They comprise aqueous solutions of organic polymer complex compounds containing carboxyl groups doped with chromium III. The agents are characterized by high chromium depletion a... | 06/14/1988 |
| 4731089 | Leather tanning process using aluminium (III) and titanium (IV) complexes In a leather tanning process, animal skins are treated with a tanning agent comprising an aluminium (III)/titanium (IV) mixed complex with a salt of a polyhydroxymonocarboxylic acid as a masking compound. The masking compound preferably has the general fo... | 03/15/1988 |
| 4497634 | Tanning material containing basic chromic sulfate and mercaptoacetic acid A tanning material solution, containing both basic chromic sulfate and quinone groups, to which mercaptoacetic acid as a quinone hindering corrective is previously added.... | 02/05/1985 |
| 4484925 | Tanning method designed to make leathers mycostatic, antimycotic, and antifungal, and the resulting products The invention relates to the tanning of leather. The tanning method according to the invention, which is designed to confer on the leathers and hides biostatic properties without migration of the active agent, involves tanning the leathers and hides with non-s... | 11/27/1984 |
| 4396387 | Method for preparing titanium tanning agent and use thereof in leather tanning process The present invention relates to methods for preparing a titanium tanning agent from sulphuric-acid titanium-ferriferous solutions and use thereof for leather tanning. The method for preparing a titanium tanning agent from titanium-ferriferous sulphate so... | 08/02/1983 |
| 4348201 | Tanning process and tanning compositions A tanning process comprising pickling a hide which has previously subjected to beamhouse works such as depilation if necessary, decalcification and beating, in the presence of urotropin and at least one tanning improver selected from chromium and aluminum... | 09/07/1982 |
| 4334876 | Process for producing leather This invention relates to an improved process for producing a tanned heavy leather, sometimes called full thickness leather, suitable for use for shoe soles, belts and straps, bags and cases, and saddles, bridles, and harness, wherein, under carefully con... | 06/15/1982 |
