Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7365142 | Polyelectrolyte complex films for analytical and membrane separation of chiral compounds The present invention is directed to enantioselective polyelectrolyte complex films. Further, said films may be free or isolated membranes, or coatings on substrates such a porous substrates, capillary tubes, chromatographic packing material, and monolithic stationa... | 04/29/2008 |
| 7226972 | Process for cross-linking hyaluronic acid to polymers The present invention provides a process for the production of hyaluronic acid (HA) derivatives cross-linked with another polymer, in particular multiple e.g. double cross-linked hyaluronic acid derivatives. The invention also provides novel cross-linked derivatives... | 06/05/2007 |
| 7196180 | Functionalized derivatives of hyaluronic acid, formation of hydrogels in situ using same, and methods for making and using same Methods for chemical modification of hyaluronic acid, formation of amine or aldehyde functionalized hyaluronic acid, and the cross-linking thereof to form hydrogels are provided. Functionalized hyaluronic acid hydrogels of this invention can be polymerized in situ, ... | 03/27/2007 |
| 7101947 | Polyelectrolyte complex films for analytical and membrane separation of chiral compounds The present invention is directed to enantioselective polyelectrolyte complex films. Further, said films may be free or isolated membranes, or coatings on substrates such a porous substrates, capillary tubes, chromatographic packing material, and monolithic stationa... | 09/05/2006 |
| 7081492 | Ambient temperature anhydrous liquid cross-linking agent An air hydrous cross-linking compound which is liquid at ambient temperature. The cross-linking compound includes at least one element chosen from Group VI-A of the periodic table of elements and a natural or synthetic polymer. ... | 07/25/2006 |
| 7034127 | Hydrophilic biopolymer-drug conjugates, their preparation and use Disclosed are methods of conjugating biologically active substances, particularly, alpha-interferon, with a hyaluronan or a mixture of a hyaluronan with at least one other hydrophilic polymer having a functional group capable of reacting with divinyl sulfone. Also d... | 04/25/2006 |
| 7024817 | Magic bean wishes A novelty item and method of making same, include a non-germinated dicot seed with a word, symbol, or the like, etched through the seed coating to the cotyledon which remains visible from the time the seedling sprouts through the surface of the soil throughout the g... | 04/11/2006 |
| 7011767 | Liquid pigment dispersion and curative agents A liquid pigment dispersion is disclosed. The dispersion comprises a pigment dispersed in a blend of two or more active hydrogen-containing materials that together have a freezing point that is room temperature or below. The pigment remains dispersed in the blend, e... | 03/14/2006 |
| 6951075 | Pigment concentrates for coloring seeds The present invention relates to the use of a pigment form or pigment concentrate comprising of an organic pigment, a growth-promoting additive, and optionally inorganic filler and/or an organic additive for coloring of seeds. Seeds colored by the dry pigment forms ... | 10/04/2005 |
| 6843841 | Preventing flow through subterranean zones The present invention provides methods of preventing the flow of water or gas or both through a subterranean zone having a high temperature and a depth such that a long pumping time is required to place a sealing composition therein. The methods basically comprise t... | 01/18/2005 |
| 6703444 | Process for cross-linking hyaluronic acid to polymers The present invention relates to a process for the production of hyaluronic acid (HA) derivatives. In particular, the process relates to multiple cross-linked hyaluronic acid derivatives, to navel cross-linked derivatives so obtained, and to products cont... | 03/09/2004 |
| 6688041 | Pigment concentrates for coloring seeds The present invention relates to the use of a pigment form or pigment concentrate comprising of an organic pigment, and optionally an inorganic filler and/or an organic additive for coloring of seeds. Seeds colored by the dry pigment forms or pigment conc... | 02/10/2004 |
| 6638538 | Hyaluronic acid gel composition, process for producing the same, and medical material containing the same A hyaluronic acid gel composition comprising hyaluronic acid and a polymer, which is substantially unmodified with a chemical cross-linking agent or a chemical modifying agent and which has a percentage dissolution of hyaluronic acid of 50% or lower in 12... | 10/28/2003 |
| 6509397 | Plastic material made from a polymer blend A plastic material made from a polymer blend, is characterized in that said material contains at least one lignin-based natural polymer, in particular based on alkali lignin produced during the extraction of cellulose, and at least one other synthetic and... | 01/21/2003 |
| 6277899 | Biodegradable polymeric composition A polymeric composition comprising a filler melt-dispersed in a matrix comprising, a destructurized starch component; a synthetic thermoplastic polymeric component selected from the group consisting of polyvinylalcohol, polyvinyl acetate, thermoplastic po... | 08/21/2001 |
| 6274653 | Bonding agent preparations for paints, the production and use thereof A plasticized composition comprising 40 to 82 percent cellulose nitrate, having nitrogen content of less than 12.6% relative to the weight of said cellulose nitrate, and 18 to 60 percent formylated polyurethane, said percent, both occurrences, being relat... | 08/14/2001 |
| 5989329 | Biostable water-borne paints Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit... | 11/23/1999 |
| 5879440 | Biostable water-borne paints and processes for their preparation Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit... | 03/09/1999 |
| 5874486 | Biodegradable polymeric composition A polymeric composition comprises a matrix including a starch component and at least one synthetic thermoplastics polymeric component in which a filler is dispersed, characterised in that the matrix includes a fluidising agent selected from the group cons... | 02/23/1999 |
| 5646205 | Ion complex membrane and a method for producing same An ionomer for an ion complex membrane useful for the separation of water-organic solvent by osmosis or low pressure osmosis as well as by pervaporation and a method for producing ion complex membrane therefrom are disclosed. The ionomer for producing ion... | 07/08/1997 |
| 5578661 | Gel forming system for use as wound dressings A gel forming system comprising an aqueous mixture of a first component of at least one water-soluble polymer in an amount sufficient to increase the initial viscosity of the mixture and impart adhesivity properties thereto; a second component of a acid-c... | 11/26/1996 |
| 5578073 | Thromboresistant surface treatment for biomaterials A biomaterial with a thromboresistant surface and a method for forming same are provided. The thromboresistant surface is comprised of a distinct coating layer of a chitosan-based membrane and a biologically active material. The biologically active materi... | 11/26/1996 |
| 5414028 | Carbohydrate substituted dibenzo[d,f][1,3,2]dioxaphosphepin stabilizers Carbohydrate substituted dibenzo[d,f][1,3,2]dioxaphosphepin compounds of formula I ##STR1## where A is a carbohydrate residue are effective stabilizers for polymers processed at elevated temperatures and subject to thermal or oxidative degradati... | 05/09/1995 |
| 5397520 | Modified agar and process for preparing modified agar for use ceramic composition to add green strength and/or improve other properties of a preform A gel-forming composition is used in a process for molding a ceramic composition. The gel-forming composition, such as agar, is improved with a gel-enhancing agent, e.g. polyethyleneimine. As a result, the gel-forming composition improves the ceramic mold... | 03/14/1995 |
| 5356962 | Carbohydrate substituted dibenzo[D,G][1,3,2]dioxaphosphocin stabilizers Carbohydrate substituted dibenzo[d,g][1,3,2]dioxaphosphocin compounds of formula I ##STR1## where A is a carbohydrate residue are effective stabilizers for polymers processed at elevated temperatures and subject to thermal or oxidative degradati... | 10/18/1994 |
| 5346935 | Hydrogel The hydrogel of the invention contains polyvinyl alcohol (a hydrogel support), and a high water-absorbent resin and/or a hydrophilic high molecular compound, which are capable of containing a large amount of water. The rate of evaporation of water from th... | 09/13/1994 |
| 5013769 | Method of making a hydrogel-forming wound dressing or skin coating material The invention disclosed is a hydrogel-forming wound dressing or skin coating material suitable for household and veterinary use, consisting substantially entirely of wound-compatible and skin-compatible ingredients and comprising a first hydrophilic polym... | 05/07/1991 |
| 4952618 | Hydrocolloid/adhesive composition Hydrocolloid adhesive compositions are disclosed comprising a rubbery elastomeric base having dispersed therein hydrocolloid particles, at least some of which are polycationic hydrocolloid particles. The compositions have enhanced resistance to breakdown ... | 08/28/1990 |
| 4944767 | Synthetic material apt to stably adsorb high quantities of heparin, and process for the production thereof Synthetic material apt to stably adsorb high quantities of heparin, consisting of a polyurethane resin, cross-linked with copolymeric chains in correspondence of at least part of its own urethane groups ##STR1## as per the following general formula: ... | 07/31/1990 |
| 4920158 | Hydrogel-forming wound dressing or skin coating material The invention disclosed is a hydrogel-forming wound dressing or skin coating material suitable for household and veterinary use, consisting substantially entirely of wound-compatible and skin-compatible ingredients and comprising a first hydrophilic polym... | 04/24/1990 |
| 4853426 | In-reactor stabilization of polyolefins via coated stabilizers The present invention includes: (i) a method for making a coated particulate comprising the steps of heating until liquid a polyolefin wax; fluidizing with a hot gas, additive particles selected from the group comprising an antioxidant, a processing stabilizer, an ... | 08/01/1989 |
| 4853429 | Seed colorant A seed colorant useful especially in coloring seeds to distinguish same from those to be used for foods is formed of an aqueous medium such as water, a dye and/or pigment of a desired hue, and a binder resin composed of the salt of chitosan and an organic... | 08/01/1989 |
| 4795741 | Compositions for therapeutic percutaneous embolization and the use thereof Percutaneous emboli are formed for therapeutic and/or corrective reasons by using a composition which includes crosslinked gells of hyaluronic acid (HA), hylan (HY) or mixed crosslinked gels of HA or HY with other materials, thrombin and cationic substanc... | 01/03/1989 |
| 4772646 | Concentrated hydrophilic polymer suspensions The present invention relates to a liquid suspension of a high molecular weight, water-soluble polymer or water-soluble salt prepared by admixing and water-soluble polymer with a hydrocarbon carrier fluid and a suspending agent comprising an aqueous emuls... | 09/20/1988 |
| 4746504 | Heavy metal salts of hyaluronic acid and their use as antimicrobial agents Heavy metal salts of hyaluronic acid have been prepared. In particular, this invention is directed to silver, gold, cerium and tungsten salts of hyaluronic acid. These heavy metal salts of hyaluronic acid are useful as antimicrobial agents. Gold hyalurona... | 05/24/1988 |
| 4619955 | Isocyanate functional urethanes as flexibilizing additives in coating vehicles A flexibilizing additive compatible with a wide variety of polymeric vehicles is provided wherein the additive comprises the reaction product of (a) an aliphatic polyisocyanate; (b) at least one monofunctional alcohol containing an ether or carboxyl oxyge... | 10/28/1986 |
| 4605691 | Cross-linked gels of hyaluronic acid and products containing such gels Disclosed are cross-linked gels of hyaluronic acid, alone or mixed with other hydrophilic polymers and containing various substances or covalently bonded low molecular weight substances and processes for preparing them. These products are useful in numero... | 08/12/1986 |
| 4582865 | Cross-linked gels of hyaluronic acid and products containing such gels Disclosed are cross-linked gels of hyaluronic acid, alone or mixed with other hydrophilic polymers and containing various substances or covalently bonded low molecular weight substances and processes for preparing them. These products are useful in numero... | 04/15/1986 |
| 4501835 | Polyacrylic acid/chitosan polyelectrolyte complex A novel composition of matter comprising a polyacrylic acid/chitosan complex. This complex is particularly useful as a membrane or filter.... | 02/26/1985 |
| 4500676 | Hyaluronate modified polymeric articles Polymeric materials (and articles made therefrom) including polyurethanes, polyesters, polyolefins, polyamides, polysiloxanes, vinylic and acrylic polymers are rendered biocompatible by including with the polymeric material hyaluronic acid or a salt there... | 02/19/1985 |
