Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7404826 | Method for removing horn substance from skins, pelts or furs Horny substances are removed from hides, pelts or skins of dead animals by treating the hides, pelts or skins in aqueous liquor with one or more compounds of the formula I or their corresponding alkali metal or alkaline ear... | 07/29/2008 |
| 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 |
| 7250062 | Method for removing horn substances from animal skin The invention relates to a method for removing horn substances from animal skin. The method is characterized in that animal skins are treated in an aqueous bath containing between 0.05 and 5 wt. %, in relation to the weight of the salt, of at least one compound of g... | 07/31/2007 |
| 7201854 | Active compound combinations for protecting animal hides and leather The present application relates to the use of active compound combinations containing phenolic active compounds and fungicidal active compounds for preserving animal hides and leather. ... | 04/10/2007 |
| 7198647 | Process for lime and sulfide free unhairing of skins or hides using animal and/or plant enzymes The present invention relates to a process for lime- and sulfide-free unhairing of skins/hides using animal and/or herbal (plant) enzymes. The process comprises presoaking the skins or hides in water for 2–6 hours, pasting an enzyme solution of animal or plant ori... | 04/03/2007 |
| 7192534 | Low-VOC stuffing agents, the use thereof in the production and/or treatment of leather and skins and corresponding production or treatment method Agents for the fatliquoring of, in particular, leathers and hides tanned in the absence of chromium comprise A) at least one modified natural oil and B) at least one stabilizer LnR | 03/20/2007 |
| 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 |
| 7134957 | Method for reducing microbial levels on the hide of an animal Disclosed is a novel method for reducing microbial levels on a hide of an animal. In one embodiment, the method comprises stunning the animal having a hide with a quantity of microorganisms on its hair, contacting the hide of the animal with an alkaline solution hav... | 11/14/2006 |
| 7118603 | Process for the preparation of a formaldehyde-free synthetic tanning agent A process for the preparation of a synthetic tanning agent is disclosed whereby multi functional polymer is polymerized with sulfonated aromatic compound, pretreated with organic ligand to form an organo-polymeric matrix, which is essentially formaldehyde-free. The ... | 10/10/2006 |
| 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 |
| 7022005 | Method for reducing microbial levels on the hide of an animal Disclosed is a novel method and system for dehairing an animal, providing a system for recycling and safely disposing of chemical and biological wastes produced during such dehairing method. Included in such method are processes for handling sodium production in was... | 04/04/2006 |
| 7013838 | Bleached expanded pigskin and products Pigskin is processed to provide a bleached, expanded skin used in dog treat or chew products. The raw pigskin is dehaired and then daubed with an alkali mixture of an alkali liquid, alkali enzymes and lime, the mixture having a pH of greater than or equal to 12. The... | 03/21/2006 |
| 6964745 | Use of superabsorbent polymers for treating raw skins, corresponding compositions and methods and resulting treated skins The invention relates to use of superabsorbent (co)polymers (SAP) as an agent for preservation treatment of animal hides. The SAP is used preferably in conjunction with salt or other hygroscopic agent, in particular 50% NaCl/50% SAP by weight. Suitably treated hides... | 11/15/2005 |
| 6957554 | Dehairing and fiber opening process for complete elimination of lime and sodium sulfide The use of lime and sodium sulfide in leather making creates a lot of environmental concern. However, there is no commercial beam house process that could totally eliminate the use of lime and sodium sulfide. In this invention, a novel bio-chemical process has been ... | 10/25/2005 |
| 6942961 | Method for dehydrating biological tissue for producing preserved transplants The invention relates to a two-step method for dehydrating biological tissues for producing preserved transplants. In a first step, the tissue is partially dehydrated with an organic, water-miscible solvent. In a second step, the tissue is dehydrated further by free... | 09/13/2005 |
| 6811572 | Plush leather-like sheet product and method for production thereof The present invention relates to a suede-like sheet which is characterized in that, in a suede-like sheet comprising primarily ultrafine fiber of no more than 0.3 dtex and polyurethane, said polyurethane employs polymer diol containing 30 wt % to 90 wt % polycarbona... | 11/02/2004 |
| 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 |
| 6540790 | Tanning leather Leather is tanned by cross-linking collagen with tris(hydroxymethyl)phosphine or a condensate of a tetrakis(hydroxymethyl)phosphonium salt with an amide or amine in a main tannage or retannage.... | 04/01/2003 |
| 6482240 | Method of making a collagen membrane from porcine skin Collagen membranes are formed from porcine rinds (i.e., pig skins) for us in a variety of applications and, most preferably, for wrapping food products, such as hams and the like. First, after removing skins from the porcine, the skins are promptly frozen... | 11/19/2002 |
| 6451062 | Hide-curing additive The invention relates to an improved hide-curing additive comprising an effective biocidal amount of an essential oil and a non-ionic surfactant. The improved additive provides an effective cure for the hides, is environmentally safe and economical.... | 09/17/2002 |
| 6395040 | Process for producing leather A method for producing leather generally including the steps of: (a) providing wet blue, full grain skins, (b) applying a liquid chrome solution to the skins while at a pH of 3.5 or lower, (c) raising the pH level of the skins to at least approximately 6.... | 05/28/2002 |
| 6387135 | Treatment of hides A process and apparatus for the treatment of hides and skins (3). The hide or skin is placed on a support (1, 2) and sealed to the support around the edges of the skin or hide. A treatment liquor is then supplied under pressure between the skin or hide an... | 05/14/2002 |
| 6375861 | Combination of active substances The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.... | 04/23/2002 |
| 6251414 | Aqueous formulation for pretanning raw hides There is disclosed an aqueous formulation for pretanning leather, which formulation comprises (a) a reductive saccharide having a dextrose equivalent of 10 to 100, and (b) an aliphatic dialdehyde containing 2 to 8 carbon atoms, and which is devoid of mineral s... | 06/26/2001 |
| 6110230 | Use of carboxyamide-polysiloxanes for water proofing leather Specific carboxyamide-polysiloxanes of the formula IV ##STR1## or the formula IVa ##STR2## having a carboxyl content of from 0.02 to 1.0 mmol/g and an average molar mass (number average) [Mn ] in the range from 2×103 to ... | 08/29/2000 |
| 6086633 | Method for preserving animal hides Compositions and methods for preserving untanned animal hides, wherein the compositions comprise 50-95% (w/w) of a polyether antibiotic and 5-25% (w/w) of a surface-acting agent. In these compositions, greater than 90% of the polyether antibiotic has a pa... | 07/11/2000 |
| 6083414 | Composition of a mixture of a phenolic compound and an azole or morpholine compound to protect animal hides and leather against microbes The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.... | 07/04/2000 |
| 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 |
| 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 |
| 5945027 | Method of using bile salts to inhibit red heat in stored brine-cured hides and skins Halophilic bacteria have been shown to cause red heat on brine-cured hides, resulting in extensive damage to leather made from the hides. The addition of bile salts to raceways or to hides directly has been found to prevent the occurrence of red heat by i... | 08/31/1999 |
| 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 |
| 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 |
| 5888415 | Method of using a mixture of a phenolic compound and an azole or morpholine compound to protect animal hides and leather against microbes The present application relates to the use of combinations of active compounds composed of phenolic active compounds and azole compounds for the preservation of animal hides and leather.... | 03/30/1999 |
| 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 |
| 5868798 | Treatment of hides A process and apparatus for treating animal skins or hides (10) comprises stretching the hide to extend it and to open the structures and mounting the hide in a frame (15) by ties (12) extending between the hide edge attachments (11) and the frame. The hi... | 02/09/1999 |
| 5834299 | Method for dehairing of hides or skins by means of enzymes The invention relates to an environmentally friendly method for dehairing of hides or skins by means of enzymes comprising the following steps: 1) the hides or skins are soaked, 2) the soaked hides or skins are subjected to a main soak, and 3) the thus tr... | 11/10/1998 |
| 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 |
| 5817153 | Method of photo-oxidative treatment of tissues containing collagen In the method of a photo-oxidative treatment of tissue containing collagen tissue, the tissue is pre-treated with an aqueous conditioning solution prior to an irradiation with light. In this pre-treatment the tissue permeable to the solution is loaded wit... | 10/06/1998 |
| 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 |
