Bizarre Patents
A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7317062 | Copolymers, preparation thereof and use as wetting agents and dispersants The invention relates to copolymers, suitable as wetting agents and dispersants, obtainable by copolymerizing (a) 1 to 80 mol % of at least one ethylenically unsaturated 1,2-dicarboxylic acid derivative, (b) 2 to 80 mol % of at least one unsaturated monocarboxylic a... | 01/08/2008 |
| 7226621 | Formulation and process for making formulation for preservation of animal and vegetable tissues A formulation and process for making a formulation for leather tanning using highly complexed Chrome III salts coupled with polymer complexing agents of medium and low molecular weight in the range of 500 to 10,000. Complexing polymers can contain vinylic acid/ester... | 06/05/2007 |
| 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 |
| 7169191 | Process for preparing a synthetic aluminium tanning agent A novel synthetic aluminium tanning agent as an alternative for chromium based tanning salts without using formaldehyde was prepared by using aromatic polymeric matrix and aluminium (III) salts as raw materials with suitable masking agents. The preparation of the sy... | 01/30/2007 |
| 7160480 | Leather treated with fluorochemicals A method of treating leather for imparting soil resistance to the leather by contacting the leather with a fluorinated hydrophobic additive comprising at least one fluorinated urethane or a mixture of at least one fluorinated urethane with at least one fluorinated e... | 01/09/2007 |
| 7157017 | Fungicidal compositions and methods using cyanodithiocarbimates The invention relates to control fungal growth on tanned hides, using cyanodithiocarbimates of formula (I): X is a halogen; R is a substituted or unsubstituted C1–... | 01/02/2007 |
| 7078163 | Process for reducing mineralization of tissue used in transplantation A method of making a tissue-derived implantable medical device that includes contacting the tissue with a composition comprising at least one oxidizing agent prior to implantation of the medical device. ... | 07/18/2006 |
| 7033402 | Transposed process for making leather The present invention relates to a novel leather making process whereby the post-tanning wet operations are done prior to tanning stage itself to make leather in eco-friendly manner in substantially shorter duration. The present process reduces the number of require... | 04/25/2006 |
| 6849095 | Agent and method for enzymatically tanning skins Described are a composition and process for the enzymatic tanning of hides utilizing one or more transglutaminases for crosslinking the collagen in the hide. ... | 02/01/2005 |
| 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 |
| 6685746 | Impregnation of leather with micro-encapsulated material A material is impregnated into leather by incorporating the material into micro-capsules and then applying said micro-capsules to said leather material by means of a suitable process. A roller coating process is described in which the material is applied ... | 02/03/2004 |
| 6652597 | N-vinyl-containing polymeric tanning materials N-Vinyl-containing polymers obtainable by free-radically initiated polymerization of a monomer or monomer mixture of (A) from 5 to 100% by weight of an N-vinylamide or N-vinylamine, (B) from 0 to 95% by weight of monoethylenically unsaturated carboxylic ... | 11/25/2003 |
| 6336942 | Processes of treating leather and skins employing polymer compositions Aqueous solutions or aqueous emulsions of copolymers are obtainable by copolymerization of (a) from 20 to 95 mol % of at least one monoethylenically unsaturated C4 -C12 -dicarboxylic acid or the anhydride thereof with (b) from 5 to 80 mol... | 01/08/2002 |
| 6294103 | Use of amphiphilic copolymers containing a fluorinated monomer to impart waterproofness to leather The present invention provides an amphiphilic copolymer comprising recurring units (I) and (II), wherein: Rf represents a fluorinated alkyl group having at least 3 carbon atoms; Q and Q' each independently represents an organic liking group or ... | 09/25/2001 |
| 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 |
| 6179879 | Leather impregnated with temperature stabilizing material and method for producing such leather The present invention is directed towards a tanned leather product that is impregnated with a plurality of microspheres containing a temperature stabilizing material. The present invention is also directed to a tanning process for embedding the microspher... | 01/30/2001 |
| 6033590 | Compositions for the preparation of leather Compositions for the simultaneous retanning and fatliquoring of leather are described which may include further leather treatment agents as well.... | 03/07/2000 |
| 6033442 | Use of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, ketals or orthocarboxylic acid esters and optionally other copolymerizable monomers as leather tanning agents The use of aqueous solutions or dispersions of copolymers composed of A) from 5 to 95 mol % of ethylenically unsaturated mono- or dicarboxylic acids having 3 to 10 carbons, their anhydrides, their alkali metal, alkaline earth metal or ammonium salts, or mixtur... | 03/07/2000 |
| 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 |
| 5980578 | Process for waterproofing leather at low pH-values and leathers manufactured thereby The present invention relates to a process for waterproofing leathers, furs and other fibrous materials wherein waterproofing is carried out with conventional water repellents in the presence of dispersing or stabilizing auxiliary agents at pH-values of 3... | 11/09/1999 |
| 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 |
| 5931970 | Process for treating leathers with surfactants to improve water repellency The present invention relates to a process for improving the waterproofing of hides, skins, leathers, and furs, as well as other fibrous materials, by treatment with special surfactants in the beamhouse and/or in the treatment of the wet blues, prior to w... | 08/03/1999 |
| 5914442 | Aqueous solutions or dispersions of copolymers Aqueous solution or aqueous dispersion of copolymers suitable for the fatliquoring and filling of leather and fur skins are obtained by free-radical copolymerization of A1) C6 -C40 -monoolefins or C6 -C40 ... | 06/22/1999 |
| 5900027 | Process for preparing animal hides or pelts In order to make processes for finishing animal hides or pelts less labor-intensive and more environmentally compatible, a process is proposed in which, following a conventionally conducted soak, the animal hides or pelts are treated with a conventional t... | 05/04/1999 |
| 5885474 | Use of polyaspartic acid amides as leather auxiliary products Leather can be pretreated to obtain good body, soft feel, and excellent grain smoothness and solidity with products having a molecular weight of 700 to 30,000 and which are obtainable by reaction of A. polysuccinimide having a molecular weight, determined as t... | 03/23/1999 |
| 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 |
| 5853427 | Use of polymerizable oil for leather fatliquor Novel fatliquoring compositions used for treating mineral-tanned leathers are effective substitutes for oils which have conventionally been used to soften leather. The compositions comprise monomers which polymerize in situ and soften the leather by break... | 12/29/1998 |
| 5820633 | Method of treating leather with improved retaining agents The present invention is directed to a method of treating tanned leather to improve its dyeing characteristics while still retaining desired grain break and grain strength. The tanned leather is contacted, preferably by immersion, in a float containing a ... | 10/13/1998 |
| 5807409 | Method of improving pull-up characteristic of leather substrate and modified finishing oil used therein The present invention provides for a method of improving the pull-up characteristic of a leather substrate darkened with a finishing oil modified by dissolving a modifier in a conventional finishing oil. The modifier may be polymerized from a monomer mix ... | 09/15/1998 |
| 5770264 | Anionically modified polyurethane ureas having reduced tackiness for the coating of leather This invention relates to a method for coating leather with an anionically modified polyurethane urea prepared by (1) reacting (A) an aromatic diisocyanate, (B) a polyether polyol having a number average molecular weight greater than 1500, (C) at least one com... | 06/23/1998 |
| 5733340 | Aqueous composition for the pretanning of hide pelts or retanning of leather An aqueous composition for the pretanning of hide pelts or for the retanning of leather comprises (A) an aliphatic dialdehyde containing 2 to 8 carbon atoms, (B) an anionic aromatic tanning agent, (C) water and, if desired, (D) an acid. The leather tanned... | 03/31/1998 |
| 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 |
| 5720778 | Method of producing high-molecular products from collagen-containing materials, and product produced by the same A method of producing a collagen-containing material has the steps of comminuting untanned collagen-containing raw material, preparing from the raw material a collagen solution, preparing a leather paste from tanned collagen-containing waste, mixing the c... | 02/24/1998 |
| 5716676 | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor The invention relates to the use of coating compositions to prepare coatings having water vapor permeabilities of at least 2500 g/m2 per day (DS 2109 TM1 method) containing (A) a polyurethane containing (1) 0.1 to 75 meq/100 g of ionic groups and ... | 02/10/1998 |
| 5709714 | Method of treating leather with amphoteric polymers The present invention is directed to a method of treating tanned leather stock to improve its color expression characteristics. The method provides for utilizing a two-stage amphoteric polymers, which improve the color expression characteristic of the tan... | 01/20/1998 |
| 5702490 | Water repellent treatment of leather and skins with polysiloxanes functionalized with carboxyl groups in a comb-like manner Leather and skins are water repellent in aqueous emulsion in the presence of emulsifiers with polysiloxanes which are functionalized with carboxyl groups in a comb-like manner and in which the carboxyl groups are bonded to the polymer main chain via space... | 12/30/1997 |
| 5685880 | Leather modifier, process for modifying leather and modified tanned leather A leather modifier containing a compound which is obtainable through a reaction of an ethylene oxide derivative having a fluorine-containing group with a phosphorus compound is disclosed. A leather treated with the modifier has much improved properties.... | 11/11/1997 |
| 5686011 | Process for waterproofing materials having a fibrous structure and agents used to carry out this process A process is disclosed for waterproofing materials having a fibrous structure, such as leather, persian leather or leather replacement materials, by using waterproofing agents containing sulfosuccinic acid esters. Also disclosed are waterproofing agents u... | 11/11/1997 |
| 5620748 | Use of graft polymers for fatliquoring and filling leather and fur skins Soft leathers with a pleasant hand are obtained on fatliquoring and filling leather and fur skins with water-soluble or water-dispersible graft polymers of vegetable and animal oils, obtainable by radically initiated polymerization A) of a monomer or mono... | 04/15/1997 |
| 5618317 | Bisulfite-blocked polyisocyanates as tanning agents The present invention relates to tanning agents containing carbamoyl sulfonate groups that are prepared by the reaction of (A) organic polyisocyanates, (B) 0.01 to 0.4 equivalents, relative to the isocyanate groups of polyisocyanate (A), of polyether alcohols ... | 04/08/1997 |
