Patents Assigned to Hydromer, Inc.
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Patent number: 9918991Abstract: The invention includes a method of treating a mammal comprising topically applying an aqueous composition to a target site on the mammal, wherein the aqueous composition comprises: active ingredients comprising i) a cosmetic dye selected from a violet, blue or green dye, or combinations thereof, and ii) an enhancing ingredient, wherein the relative weight percentage of the cosmetic dye to the enhancing ingredient is about 1:2 to about 40:1, wherein the cosmetic dye interacts with keratinous material thereby i) substantially staining the target site and ii) inhibiting the active ingredients from significantly leaching from the target site.Type: GrantFiled: September 21, 2012Date of Patent: March 20, 2018Assignee: HYDROMER, INC.Inventors: Irina Grigorian, Manfred F. Dyck, Rainer Gruening
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Patent number: 9474701Abstract: The present invention relates to antimicrobial formulations containing carvacrol and at least one of the following 2-phenoxyethanol, caprylyl glycol and hexylene glycol.Type: GrantFiled: September 9, 2015Date of Patent: October 25, 2016Assignee: HYDROMER, INC.Inventors: Manfred F. Dyck, Silke von Dyck, Eric Becktel, Irina Grigorian
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Patent number: 9474729Abstract: The invention includes a method of treating a mammal comprising topically applying an aqueous composition to a target site on the mammal, wherein the aqueous composition comprises: active ingredients comprising i) a cosmetic dye selected from a violet, blue or green dye, or combinations thereof, and ii) an enhancing ingredient, wherein the relative weight percentage of the cosmetic dye to the enhancing ingredient is about 1:2 to about 40:1, wherein the cosmetic dye interacts with keratinous material thereby i) substantially staining the target site and ii) inhibiting the active ingredients from significantly leaching from the target site.Type: GrantFiled: January 14, 2011Date of Patent: October 25, 2016Assignee: HYDROMER, INC.Inventors: Irina Grigorian, Manfred F. Dyck, Rainer Gruening
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Publication number: 20130085137Abstract: The invention includes a method of treating a mammal comprising topically applying an aqueous composition to a target site on the mammal, wherein the aqueous composition comprises: active ingredients comprising i) a cosmetic dye selected from a violet, blue or green dye, or combinations thereof, and ii) an enhancing ingredient, wherein the relative weight percentage of the cosmetic dye to the enhancing ingredient is about 1:2 to about 40:1, wherein the cosmetic dye interacts with keratinous material thereby i) substantially staining the target site and ii) inhibiting the active ingredients from significantly leaching from the target site.Type: ApplicationFiled: September 21, 2012Publication date: April 4, 2013Applicant: Hydromer, Inc.Inventor: Hydromer, Inc.
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Patent number: 7008979Abstract: A coating composition is disclosed which comprises an aqueous polymeric matrix, a hydrophilic polymer, a colloidal metal oxide and a crosslinker. The coating composition when applied on medical devices is hydrophilic, shows improved lubricity, abrasion resistance and substrate adhesion on metallic or plastic substrates. The coating also shows improved water sheeting thus providing the coated substrates with anti-fog properties. The coating absorbs aqueous dye or stain solutions making the substrate suitable for printing.Type: GrantFiled: September 27, 2002Date of Patent: March 7, 2006Assignee: Hydromer, Inc.Inventors: Thomas C. Schottman, Patrick M. Hennessey, Rainer Gruening
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Publication number: 20030203991Abstract: A coating composition is disclosed which comprises an aqueous polymeric matrix, a hydrophilic polymer, a colloidal metal oxide and a crosslinker. The coating composition when applied on medical devices is hydrophilic, shows improved lubricity, abrasion resistance and substrate adhesion on metallic or plastic substrates. The coating also shows improved water sheeting thus providing the coated substrates with anti-fog properties. The coating absorbs aqueous dye or stain solutions making the substrate suitable for printing.Type: ApplicationFiled: September 27, 2002Publication date: October 30, 2003Applicant: Hydromer, Inc.Inventors: Thomas C. Schottman, Patrick M. Hennessey, Rainer Gruening
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Patent number: 6599448Abstract: The present invention provides a radio-opaque composition including a polymer or monomer, wherein the polymer or monomer has a non-leachable radio-opaque moiety. The non-leachable radio-opaque moiety is covalently attached to the polymer or monomer.Type: GrantFiled: May 10, 2000Date of Patent: July 29, 2003Assignee: Hydromer, Inc.Inventors: Joseph A. Ehrhard, Jr., Patrick Hennessey
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Patent number: 6440442Abstract: The present invention provides a mammalian teat dip composition capable of being used during a mammal's dry period comprising a solution of a film-forming polymer blend comprising a first polymer component which is an organic, solvent-soluble, preformed, thermoplastic polyurethane having no reactive isocyanate groups and a second polymer component which is a hydrophilic poly(N-vinyl lactam), said blend capable of withstanding exposure to water without significant loss of said hydrophilic poly(N-vinyl lactam) in an amount sufficient to form a water-resistant film upon topical application to mammalian skin; and wherein said blend comprises from about 10 to about 80 weight percent of said first polymer in combination with said solvent and from about 1 to about 20 weight percent of said second polymer; and at least one antimicrobial agent in an amount sufficient to treat and protect mammalian skin from infection; wherein said composition is capable of being removed by peeling.Type: GrantFiled: November 6, 2000Date of Patent: August 27, 2002Assignee: Hydromer, Inc.Inventors: Joseph Ehrhard, Michael Eknoian, Alfredo Vinci
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Patent number: 6395289Abstract: The invention discloses a mammalian teat dip for controlling mastitis, a method for preparing the composition and a method of treatment of mammals. The composition contains a film-forming polymer blend, at least one antimicrobial and a sodium bicarbonate buffering agent. The polymer blend contains a solvent-soluble, thermoplastic polyurethane and a hydrophilic poly(N-vinyl lactam). Upon application to mammalian skin, this composition leaves a long-lasting, water-resistant, residual, elastic film that treats and protects mammalian skin from infection.Type: GrantFiled: April 25, 2000Date of Patent: May 28, 2002Assignee: Hydromer, Inc.Inventors: Joseph Ehrhard, Michael Eknoian, Alfredo Vinci
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Patent number: 6379702Abstract: A dermatologically-compatible composition comprising a hydrophilic gel which comprises a blend of a chitosan and a hydrophilic poly(N-vinyl lactam) having a K value of less than 60.Type: GrantFiled: July 5, 2000Date of Patent: April 30, 2002Assignee: Hydromer, Inc.Inventors: Donald H. Lorenz, Connie C. Lee
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Patent number: 6365664Abstract: The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, burn dressings, drug delivery dressings, dry films, cosmetic masks and cosmetic wrap dressings. The gels of the invention include a blend of a hydrophilic poly(aldehyde) and a polymer selected from the group consisting of a poly(amide), a poly(amine) and a poly(alcohol).Type: GrantFiled: July 25, 2000Date of Patent: April 2, 2002Assignee: Hydromer, Inc.Inventor: Micahel Eknoian
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Patent number: 6203812Abstract: The invention discloses a mammalian teat dip for controlling mastitis, a method for preparing the composition and a method of treatment of mammals. The composition contains a film-forming polymer blend and at least one antimicrobial. The polymer blend contains a solvent-soluble, thermoplastic polyurethane and a hydrophilic poly(N-vinyl lactam). Upon application to mammalian skin, this composition leaves a long-lasting, water-resistant, residual, elastic film which treats and protects mammalian skin from infection.Type: GrantFiled: June 29, 1998Date of Patent: March 20, 2001Assignee: Hydromer, Inc.Inventors: Joseph Ehrhard, Michael Eknoian
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Patent number: 6121375Abstract: The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, burn dressings, drug delivery dressings, dry films, cosmetic masks and cosmetic wrap dressings. The gels of the invention include a blend of a hydrophilic poly(aldehyde) and a polymer selected from the group consisting of a poly(amide), a poly(amine) and a poly(alcohol).Type: GrantFiled: February 11, 1999Date of Patent: September 19, 2000Assignee: Hydromer, Inc.Inventor: Michael Eknoian
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Patent number: 6110475Abstract: The present invention relates to a composition, and a method for preventing or reducing contact dermatitis. The composition contains a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally an additive material.The present invention is further a dermatologically-compatible barrier film for preventing and reducing contact dermatitis which contains a polysaccharide; a low molecular weight, synergistic saccharide; and optionally one or more additives. The dermatologically-compatible barrier film is formed of a composition containing a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally an additive material. The composition is a skin care product in a form of a lotion, a gel or a cream that is applied to skin of mammals.Type: GrantFiled: March 23, 1998Date of Patent: August 29, 2000Assignee: Hydromer, Inc.Inventors: Joan Dalla Riva Toma, Curtis L. Karl
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Patent number: 6054504Abstract: The present invention relates to biostatic compositions, as well as coatings and methods for preparing biostatic articles using the same. The compositions contain a hydrophilic polymer possessing a functional group which covalently bonds to an amine, thiol, carboxyl, or hydroxyl active group of an antimicrobial agent. The functional group is capable of reacting with and covalently bonding to an antimicrobial agent without effectively reducing antimicrobial property of the antimicrobial agent below its capability of acting as a biostatic agent and without releasing the antimicrobial agent into a solution.Type: GrantFiled: December 31, 1997Date of Patent: April 25, 2000Assignee: Hydromer, Inc.Inventor: Joan M. Dalla Riva Toma
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Patent number: 5888520Abstract: The present invention relates to a composition, and a method for preventing or reducing contact dermatitis. The composition contains a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally an additive material.The present invention is further a dermatologically-compatible barrier film for preventing and reducing contact dermatitis which contains a polysaccharide; a low molecular weight, synergistic saccharide; and optionally one or more additives. The dermatologically-compatible barrier film is formed of a composition containing a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally an additive material. The composition is a skin care product in a form of a lotion, a gel or a cream that is applied to skin of mammals.Type: GrantFiled: April 25, 1997Date of Patent: March 30, 1999Assignee: Hydromer, Inc.Inventors: Joan Dalla Riva Toma, Curtis L. Karl
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Patent number: 5851540Abstract: The present invention relates to a composition, and a method for preventing or reducing contact dermatitis. The composition contains a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally one or more additives. The present invention is further a dermatologically-compatible barrier film for preventing and reducing contact dermatitis which contains a polysaccharide; a low molecular weight, synergistic saccharide; and optionally one or more additives. The dermatologically-compatible barrier film is formed of a composition containing a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optional additives. The composition is a skin care product in a form of a lotion, a gel or a cream that is applied to skin of mammals. Once applied, the solvent in the composition evaporates, and thereby leaving behind a dermatologically-compatible barrier film containing polysaccharide and low molecular weight, synergistic saccharide.Type: GrantFiled: March 26, 1997Date of Patent: December 22, 1998Assignee: Hydromer, Inc.Inventors: Joan Dalla Riva Toma, Curtis L. Karl
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Patent number: 5837266Abstract: The present invention relates to a composition, and a method for preventing or reducing contact dermatitis. The composition contains a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optionally one or more additives.The present invention is further a dermatologically-compatible barrier film for preventing and reducing contact dermatitis which contains a polysaccharide; a low molecular weight, synergistic saccharide; and optionally one or more additives. The dermatologically-compatible barrier film is formed of a composition containing a polysaccharide; a low molecular weight, synergistic saccharide; a solvent; and optional additives. The composition is a skin care product in a form of a lotion, a gel or a cream that is applied to skin of mammals. Once applied, the solvent in the composition evaporates, and thereby leaving behind a dermatologically-compatible barrier film containing polysaccharide and low molecular weight, synergistic saccharide.Type: GrantFiled: April 30, 1996Date of Patent: November 17, 1998Assignee: Hydromer, Inc.Inventors: Joan Dalla Riva Toma, Curtis L. Karl
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Patent number: 5420197Abstract: A composition includes a stable gel of neutralized chitosan and poly(N-vinyl lactam), the poly(N-vinyl lactam) having a K value of at least about 60 and mole equivalents of acid groups above about 1.4 from ring-opened pyrrolidones. The composition may also include a substrate and various additives incorporated with the gel. A method for making the gel includes mixing the chitosan and poly(N-vinyl lactam) in aqueous solution and curing. Products include wound packings, wound dressings, burn dressings, drug delivery dressings, cosmetic face masks and cosmetic wrap dressings.Type: GrantFiled: January 13, 1994Date of Patent: May 30, 1995Assignee: Hydromer, Inc.Inventors: Donald H. Lorenz, Connie C. Lee
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Patent number: 5258421Abstract: A dressing includes a stable, tacky gel of polyurethane and poly(N-vinyl lactam), the poly(N-vinyl lactam) having a K-value of at least about 60 and mole equivalents of acid groups above 1.4. The dressing may also include a substrate and various additives incorporated with the gel.Type: GrantFiled: August 6, 1992Date of Patent: November 2, 1993Assignee: Hydromer, Inc.Inventors: Donald H. Lorenz, Connie C. Lee