Patents by Inventor Eric S. Gardiner
Eric S. Gardiner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11628092Abstract: A composite material is described, which is of particular use in wound treatment, and to a method for producing said composite material is also described. The composite material has a first foam layer having a first hydrophilic polyurethane foam material, and, in immediate contact therewith, a second foam layer having a second hydrophilic polyurethane foam material, which second hydrophilic foam material is different from the first hydrophilic foam material.Type: GrantFiled: May 8, 2018Date of Patent: April 18, 2023Assignee: Mölnlycke Health Care ABInventors: Eric S. Gardiner, Magnus Paledzki, Jason Raymond Johnson
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Publication number: 20220118151Abstract: The present invention relates to a hydrophilic foam material, which is of particular use in wound treatment, and to a method for producing said hydrophilic foam material. The hydrophilic foam material comprises nucleating particles, wherein at least 85% of all foam cells in said foam material have an average cell size of 0.01 mm 2 or less.Type: ApplicationFiled: December 8, 2021Publication date: April 21, 2022Inventors: Eric S. Gardiner, Jason Raymond Johnson
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Patent number: 11224676Abstract: The present invention relates to a hydrophilic foam material, which is of particular use in wound treatment, and to a method for producing said hydrophilic foam material. The hydrophilic foam material has nucleating particles, wherein at least 85% of all foam cells in said foam material have an average cell size of 0.01 mm2 or less.Type: GrantFiled: June 5, 2018Date of Patent: January 18, 2022Assignee: Mölnlycke Health Care ABInventors: Eric S. Gardiner, Jason Raymond Johnson
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Publication number: 20210138103Abstract: Disclosed is a method for making a composite material, which is of particular use in wound treatment. The composite material has a hydrophilic polyurethane foam material with a first polyurethane polymer; a hydrophilic fiber material having a second polymer, wherein said second polymer is not a polyurethane polymer and wherein said fiber material is capable of absorbing and retaining a fluid. The first polymer is covalently bonded to the second polymer.Type: ApplicationFiled: January 14, 2021Publication date: May 13, 2021Inventors: Eric S. Gardiner, Magnus Paledzki
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Patent number: 10894109Abstract: The present invention relates to a composite material, which is of particular use in wound treatment, and to a method for producing the same composite material. Said composite material comprises a hydrophilic polyurethane foam material comprising a first polyurethane polymer; a hydrophilic fiber material comprising a second polymer, wherein said second polymer is not a polyurethane polymer and wherein said fiber material is capable of absorbing and retaining a fluid. In the composite material according to the present invention, said first polymer is covalently bonded to said second polymer.Type: GrantFiled: March 20, 2017Date of Patent: January 19, 2021Assignee: MÖLNLYCKE HEALTH CARE ABInventors: Eric S. Gardiner, Magnus Paledzki
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Publication number: 20200129338Abstract: A composite material is described, which is of particular use in wound treatment, and to a method for producing said composite material is also described. The composite material has a first foam layer having a first hydrophilic polyurethane foam material, and, in immediate contact therewith, a second foam layer having a second hydrophilic polyurethane foam material, which second hydrophilic foam material is different from the first hydrophilic foam material.Type: ApplicationFiled: May 8, 2018Publication date: April 30, 2020Inventors: Eric S. Gardiner, Magnus Paledzki, Jason Raymond Johnson
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Publication number: 20200129655Abstract: The present invention relates to a hydrophilic foam material, which is of particular use in wound treatment, and to a method for producing said hydrophilic foam material. The hydrophilic foam material has nucleating particles, wherein at least 85% of all foam cells in said foam material have an average cell size of 0.01 mm2 or less.Type: ApplicationFiled: June 5, 2018Publication date: April 30, 2020Inventors: Eric S. Gardiner, Jason Raymond Johnson
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Publication number: 20190160197Abstract: The present invention relates to a composite material, which is of particular use in wound treatment, and to a method for producing the same composite material. Said composite material comprises a hydrophilic polyurethane foam material comprising a first polyurethane polymer; a hydrophilic fiber material comprising a second polymer, wherein said second polymer is not a polyurethane polymer and wherein said fiber material is capable of absorbing and retaining a fluid. In the composite material according to the present invention, said first polymer is covalently bonded to said second polymer.Type: ApplicationFiled: March 20, 2017Publication date: May 30, 2019Inventors: Eric S. Gardiner, Magnus Paledzki
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Patent number: 6150020Abstract: The specification discloses polymeric articles such as fibers and fibrous webs which exhibit improved hydrophobicity and methods for making the articles. The articles comprise a polymer selected from the group consisting of polyolefins and polyesters and an additive of the structure R.sup.1 --A--Si(R.sup.2 R.sup.3)--O--(Si(R.sup.4 R.sup.5)--O)n--Si--(R.sup.6 R.sup.7)--A--R.sup.8, wherein R.sup.1 and R.sup.8 are selected from the group consisting of alkyl, aryl, alkylaryl groups and acyl and arylacyl derivatives of an aliphatic or aliphatic/aromatic mono-acid with a molecular weight of from about 250 to about 600 daltons, A is selected from the group consisting of --O--, --NH--C(O)--NH--(CH.sub.2).sub.3 --, and --C(O)--NH--(CH.sub.2).sub.3 --, R.sup.2, R.sup.3, R.sup.6 and R.sup.7 are selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and C.sub.4 H.sub.9, R.sup.4 and R.sup.5 are selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and (CH.sub.2).sub.Type: GrantFiled: September 29, 1998Date of Patent: November 21, 2000Assignee: BBA Nonwovens Simpsonville, Inc.Inventors: Rahul K. Dharmadhikary, W. Andrew Coslett, Eric S. Gardiner
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Patent number: 6071577Abstract: The invention relates to a method for thermally bonding dissimilar polymeric layers on a paper or paperboard substrate whereby the bonding strength between the dissimilar polymeric layers is substantially increased. The method utilizes a resin of the structureA--B--A'wherein each of A and A' is selected from a hydrocarbonous material which is melt compatible with one of the polymeric layers and B is a hydrocarbonous material having characteristics compatible with the other polymeric layer in order to modify the dissimilar polymeric materials in such a manner that there is an increased thermal bonding strength between the dissimilar polymeric materials.Type: GrantFiled: July 3, 1997Date of Patent: June 6, 2000Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner
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Patent number: 5874507Abstract: The specification discloses a method and additive for increasing the surface activity of non-polar polymeric materials, and a non-polar polymeric material exhibiting increased surface activity. The invention employs an additive of the formulaA-B-A.sup.1wherein each of the A and A.sup.1 blocks which may be the same or different has a number molecular weight in the range of from about 200 to about 1000 daltons and is selected from the group substituted and unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl and alkylaryl units derived from one or more esters, organic acids, organic halides or organic acid halides, and units derived from alkyl or aryl isocyanates or ester-amides. The B-block is a polyepichlorohydrin unit derived from a polyepichlorohydrin polyol having at least two terminal hydroxyl groups and having an average molecular weight in the range of from about 400 to about 4000 daltons.Type: GrantFiled: September 15, 1997Date of Patent: February 23, 1999Assignee: Arizona Chemical CompanyInventors: Xinya Lu, Eric S. Gardiner
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Patent number: 5840801Abstract: The invention disclosed herein relates to methods for vulcanizing elastomeric materials. The method comprises providing a mixture of ZnO and an amphiphilic triblock copolymer selected from the group consisting of rosin and C.sub.18 -C.sub.24 fatty acid esters of polyethylene glycol and the use of the mixture for vulcanizing an elastomeric component with sulfur. The mixture not only improves the dispersion of zinc salts in the elastomeric composition but also reduces mold fouling by reducing the migration of zinc salts to the interfacial area of the elastomeric composition.Type: GrantFiled: June 24, 1996Date of Patent: November 24, 1998Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner
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Patent number: 5777013Abstract: The specification discloses elastomeric compositions and methods for making elastomeric compositions containing silica. The elastomeric composition comprises an elastomeric matrix containing from about 1 to about 40 wt. % silica and from about 0.1 to about 20 wt. % of an additive selected from the group consisting of rosin acid or fatty acid monoesters of glycerol and block copolymers having at least one A-block derived from the group consisting of rosin acids and fatty acids and a B-block having a number average molecular weight in the range of from about 200 to about 2500 daltons derived from the group consisting of a polyethylene glycol (PEG) and a polyepichlorohydrin (PECH) polyol. The additive provides substantial improvement in the dispersion and adhesion of silica in the elastomeric matrix which substantially improves the strength and other properties of the material.Type: GrantFiled: January 24, 1997Date of Patent: July 7, 1998Assignee: Arizona Chemical CompanyInventors: Eric S. Gardiner, Xinya Lu
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Patent number: 5721322Abstract: The specification discloses a method and additive for increasing the surface activity of non-polar polymeric materials, and a non-polar polymeric material exhibiting increased surface activity. The invention employs an additive of the formulaA-B-A.sup.1wherein each of the A and A.sup.1 blocks which may be the same or different has a number molecular weight in the range of from about 200 to about 1000 daltons and is selected from the group substituted and unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl and alkylaryl units derived from one or more esters, organic acids, organic halides or organic acid halides, and units derived from alkyl or aryl isocyanates or ester-amides. The B-block is a polyepichlorohydrin unit derived from a polyepichlorohydrin polyol having at least two terminal hydroxyl groups and having an average molecular weight in the range of from about 400 to about 4000 daltons.Type: GrantFiled: January 24, 1997Date of Patent: February 24, 1998Assignee: Arizona Chemical CompanyInventors: Xinya Lu, Eric S. Gardiner
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Patent number: 5679201Abstract: The invention relates to a method for thermally bonding dissimilar polymeric layers on a paper or paperboard substrate whereby the bonding strength between the dissimilar polymeric layers is substantially increased. The method utilizes a resin of the structureA-B-A'wherein each of A and A' is selected from a hydrocarbonous material which is melt compatible with one of the polymeric layers and B is a hydrocarbonous material having characteristics compatible with the other polymeric layer in order to modify the dissimilar polymeric materials in such a manner that there is an increased thermal bonding strength between the dissimilar polymeric materials.Type: GrantFiled: May 22, 1995Date of Patent: October 21, 1997Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner
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Patent number: 5635128Abstract: A method for forming a polymer with a decreased surface energy. The method comprises the steps of mixing from about 99.5% to about 95.0% of a polymer selected from the group consisting of polyolefin and polyester with from about 0.5% to about 5.0% of a surface modifying agent having the structure R.sup.1 --A--Si(R.sup.2 R.sup.3)--O--[Si(R.sup.4 R.sup.5)--O].sub.n --Si--(R.sup.6 R.sup.7)--A--R.sup.8, and forming the mix of polymer and additive to a desired form. R.sup.1 and R.sup.8 are selected from the group consisting of derivatives of aliphatic or aliphatic/aromatic alcohols or mono-acids with a molecular weight of between about 250 to about 600 daltons, and A is selected from the group consisting of --O--, --NH--C(O)--NH--(CH.sub.2).sub.3 --, and --C(O)--NH--(CH.sub.2).sub.3 --. The agent is substantially intimately mixed with the polymer.Type: GrantFiled: May 22, 1996Date of Patent: June 3, 1997Assignee: Arizona Chemical CompanyInventors: Eric S. Gardiner, John T. Geoghegan
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Patent number: 5567531Abstract: A method for forming a polymer with a decreased surface energy. The method comprises the steps of mixing from about 99.5% to about 95.0% of a polymer selected from the group consisting of polyolefin and polyester with from about 0.5% to about 5.0% of a surface modifying agent having the structure R.sup.1 --A--Si (R.sup.2 R.sup.3)--O--[Si(R.sup.4 R.sup.5)--O].sub.n --Si--(R.sup.6 R.sup.7)--A--R.sup.8, and forming the mix of polymer and additive to a desired form. R.sup.1 and R.sup.8 are selected from the group consisting of derivatives of aliphatic or aliphatic/aromatic alcohols or mono-acids with a molecular weight of between about 250 to about 600 daltons, and A is selected from the group consisting of --O--, --NH--C(O)--NH--(CH.sub.2).sub.3 --, and --C(O)--NH--(CH.sub.2).sub.3 --. The agent is substantially intimately mixed with the polymer.Type: GrantFiled: August 28, 1995Date of Patent: October 22, 1996Assignee: Arizona Chemical CompanyInventors: Eric S. Gardiner, John T. Geoghegan
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Patent number: 5473002Abstract: A method for forming a polymer with a decreased surface energy. The method comprises the steps of mixing from about 99.5% to about 95.0% of a polymer selected from the group consisting of polyolefin and polyester with from about 0.5% to about 5.0% of a surface modifying agent having the structure R.sup.1 --A--Si(R.sup.2 R.sup.3)--O--[Si(R.sup.4 R.sup.5)--O].sub.n --Si--(R.sup.6 R.sup.7)--A--R.sup.8, and forming the mix of polymer and additive to a desired form. R.sup.1 and R.sup.8 are selected from the group consisting of derivatives of aliphatic or aliphatic/aromatic alcohols or mono-acids with a molecular weight of between about 250 to about 600 daltons, and A is selected from the group consisting of --O--, --NH--C(O)--NH(CH.sub.2).sub.3 --, and --C(O)--NH--(CH.sub.2).sub.3 --. The agent is substantially intimately mixed with the polymer.Type: GrantFiled: September 23, 1993Date of Patent: December 5, 1995Assignee: Arizona Chemical CompanyInventors: Eric S. Gardiner, John T. Geoghegan
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Patent number: 5464691Abstract: This invention provides a barrier film for packaging comprising:(a) a first layer containing a polyolefinic extrudate composed of a non-polar polyolefinic material containing an amount of an amphiphilic resin of the structureA-B-A'sufficient to modify the surface energy of the polyolefinic extrudate, wherein each of A and A' is selected from an essentially non-polar hydrocarbonous group and B is an essentially polar group derived from a telechelic diol, and wherein the amount of amphiphilic resin ranges from about 0.05 to about 10% by weight of the total weight of the first layer; and(b) a second layer composed of a more polar material than the first layer bonded to the first layer,wherein the barrier film contains from about 0.0127 to about 0.508 millimeters thickness of the first layer and from about 0.0127 to about 0.508 millimeters thickness of the second layer and wherein the bonding strength between the first and second layers is greater than about 50 N/m in the absence of a tie layer.Type: GrantFiled: July 22, 1994Date of Patent: November 7, 1995Assignee: Arizona Chemical CompanyInventors: Eric S. Gardiner, Thomas Z. Fu
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Patent number: 5328951Abstract: A method is disclosed for increasing the surface energy of a surface of an organic polymeric material, particularly polyolefins. The method is comprised of blending from about 99.5% to about 90.0% by weight of the polymeric material with from about 0.5% to about 10.0% by weight of an amphiphile having the formula:RA(CHR.sup.2 [CH.sub.2 ].sub.n A.sup.1).sub.m R.sup.1where R and R.sup.1 are selected from the group consisting of the alkyl, aryl, alkylaryl, acyl and arylacyl derivatives of an aliphatic or aliphatic/aromatic mono-acid with a molecular weight of from about 150 to about 500 daltons, A and A.sup.1 are polar atoms or groups, R.sup.2 is selected from the group consisting of H, CH.sub.3 and C.sub.2 H.sub.5, n is from 0 to 3 and m is from 2 to 20.Type: GrantFiled: July 1, 1993Date of Patent: July 12, 1994Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner