Patents by Inventor Robert A. Asmus
Robert A. Asmus 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: 11827754Abstract: Provided is a method of forming a fibrin hydrogel composition, the method including providing a fibrin hydrogel or precursor thereof, comprising fibrin hydrogel forming salt. The fibrin hydrogel forming salt concentration is greater than or equal to the threshold concentration to form a fibrin hydrogel. The method further includes combining the fibrin hydrogel with a carrier material. The concentration of the carrier material typically ranges from 0.1 to about 50 wt.-%. The method further includes reducing the salt concentration below the threshold concentration to form a fibrin hydrogel.Type: GrantFiled: October 4, 2017Date of Patent: November 28, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jason W. Bjork, Amy S. Determan, Jonathan J. O'Hare, Robert A. Asmus, James P. Dizio, Zhicheng Tian
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Patent number: 11491255Abstract: Film forming gel compositions, useful in creating conformable and flexible gel bandages, can be formulate from a film-forming polymer, a tackifier, and a volatile solvent. The film forming gels can also include antiseptics, cationic polymer coagulants, fillers, and other additives. The gel compositions form relatively thick films when dried on tissue, and can exhibit enhanced breathability to promote wound healing.Type: GrantFiled: April 4, 2016Date of Patent: November 8, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Delony L. Langer-Anderson, George W. Griesgraber, Semra Colak Atan, Junia M. Pereira, Katie F. Wlaschin, Alexi J. Young, Robert A. Asmus, Petra L. Kohler Riedi, David S. Hays, Jerald K. Rasmussen, Michael J. Solberg
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Publication number: 20220298389Abstract: Adhesive compositions are disclosed that include an octenidine salt, a resin system, a plasticizer, and a cidatrope. The dried adhesive compositions are substantially free of water and C2-C5 alcohols. The adhesive compositions disclosed are formulations that provide rapid and persistent antimicrobial activity and may be useful, for example, in wound dressings, surgical drapes, and medical tapes.Type: ApplicationFiled: May 18, 2020Publication date: September 22, 2022Inventors: Ying ZHANG, Robert A. ASMUS, Zhicheng TIAN, Kheng VANG, James DIZIO, Patrick J. PARKS, Brian E. SPIEWAK
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Publication number: 20220218869Abstract: A composition for treating wounds is provided. The composition includes an antimicrobial component, an emulsifying agent, and a cidatrope component. The antimicrobial component can be selected from octenidine, poly(hexamethylene biguanide), a quaternary ammonium antimicrobial compound, and salts thereof. The cidatrope is not an alpha-hydroxy acid, a beta-hydroxy acid, a chelating agent, a (C1-C4)alkyl carboxylic acid, a (C6-C12)aryl carboxylic acid, a (C6-C12)aralkyl carboxylic acid, a (C6-C12)alkalyl carboxylic acid, a phenolic compound, a (C1-C10)monohydric alkyl alcohol, or an ether glycol. In certain embodiments, the composition can be substantially free of water and C2-C5 lower alcohols. In certain embodiments, the composition further can comprise water. Methods of using the composition are also provided.Type: ApplicationFiled: April 28, 2020Publication date: July 14, 2022Inventors: Robert A. ASMUS, Patrick J. PARKS, Shrijana B. SHRESTHA
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Publication number: 20220105018Abstract: Antimicrobial compositions containing an antimicrobial agent, such as an octenidine salt, a solubilizer, such as a glycol, and a cidatrope, such as a C8-C26 alcohol, an ether, an amide, an ester, and combinations thereof, where the compositions are substantially free of water and C2-C5 alcohols and methods of making such antimicrobial compositions.Type: ApplicationFiled: March 26, 2020Publication date: April 7, 2022Inventors: Ying ZHANG, Robert A. ASMUS, Zhicheng TIAN, Kheng VANG, James P. DIZIO, Patrick J. PARKS, Brian E. SPIEWAK
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Publication number: 20210330949Abstract: An applicator (100) comprising an elongated hollow body (120) comprising a distal portion (123), a proximal portion (124) having an open end, an exterior surface (127), an interior surface (126), and a filter (135). The interior surface of the applicator defines an internal chamber suitable for receiving an ampoule (160) formed of a frangible material located in the internal chamber proximal to the filter. A spacer (185) having a distal end and a proximal end is provided, and a cap (180) having a proximal portion, a distal portion, an exterior surface, and an interior surface is provided that attaches to the open end of the applicator and maintains the ampoule and spacer in their respective desired positions. The applicator comprises a head (140) including an absorbent component (110) that is capable of absorbing the contents of the frangible ampoule and facilitates applying the contents to the desired surface.Type: ApplicationFiled: August 19, 2019Publication date: October 28, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: ALAN R. DOMBROWSKI, ROBERT A. ASMUS
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Publication number: 20210322742Abstract: An applicator (100) including a hollow body (110), the hollow body including a distal portion (112), a proximal portion (114), an exterior surface (118), an interior surface (116), and an activation region (120), where the hollow body includes at least two longitudinal grooves (122) on at least one of the exterior surface and the interior surface in the activation region of the applicator, and where the hollow body has a first radial groove (124) in the activation region that is on at least one of the exterior surface or the interior surface. The applicator includes a frangible ampoule (160) inside the hollow body, the frangible ampoule configured to contain a solution. The applicator may include a head (140) having an absorbent component (150) capable of absorbing the contents of the frangible ampoule when the ampoule is fractured and can aid in application of the ampoule contents to the desired surface.Type: ApplicationFiled: August 9, 2019Publication date: October 21, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: ALAN R. DOMBROWSKI, ROBERT A. ASMUS
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Publication number: 20210324150Abstract: The invention includes a forced-air blanket for providing a profusion of air to a patient, comprising a bottom layer with a plurality of openings configured to allow a profusion of air to pass through the bottom layer and an upper layer bonded to the bottom layer around a periphery, wherein the upper layer is also bonded to bottom layer by a plurality of linear seals and a plurality of staked seals. In an embodiment, at least one of more of the linear seals have one end which is joined to a portion of the periphery. In another embodiment, the forced-air blanket may further include at least one elongated seal that is positioned proximate to the inlet. The arrangement of the plurality of staked seals, elongated seals and linear seals assists in providing a blanket that is of a low-profile with even air distribution.Type: ApplicationFiled: October 4, 2017Publication date: October 21, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jason W. Bjork, AMY S. DETERMAN, JONATHAN J. O'HARE, ROBERT A. ASMUS, JAMES P. DIZIO, ZHICHENG TIAN
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Publication number: 20210308318Abstract: A wound dressing system comprising a drape and a hydrogel sealant. The drape comprises a film and an adhesive on a first major surface of the film. The hydrogel comprises at least 30% by weight water, a crosslinked hydrophilic absorbent polymer; and a swelling agent. The hydrogel can create a seal between the drape and a surface (e.g., a patient's skin), making the disclosed systems suitable for negative pressure wound therapy (NPWT) applications.Type: ApplicationFiled: August 14, 2019Publication date: October 7, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: DAVID R. HOLM, ROBERT A. ASMUS
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Publication number: 20210100929Abstract: Disclosed is a fibrinogen composition. The fibrinogen composition comprises denatured fibrinogen hydrogel having a fibrinogen concentration ranging from 0.1 to 15 wt.-% and a fibrinogen hydrogel forming salt at a concentration less than a threshold concentration to form the fibrinogen hydrogel. In some examples, the fibrinogen composition is dehydrated denatured fibrinogen hydrogel, where the fibrinogen composition comprises salt at a concentration no greater than 20 wt.-%.Type: ApplicationFiled: November 23, 2020Publication date: April 8, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: JAMES P. DIZIO, ZHICHENG TIAN, JAMES W. BJORK, AMY S. DETERMAN, ROBERT A. ASMUS, JONATHAN J. O'HARE
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Publication number: 20210085942Abstract: The disclosed applicator includes an activation region having one or more pinch point levers in the cover of the applicator. Within the cover of the applicator is a deformable body and disposed within the deformable body is a frangible ampoule containing a solution. A user activates the pinch point levers to deform the deformable body and crush the frangible ampoule, releasing the solution. The hinging connection of the pinch point lever reduces the break strength needed in order to crush the ampoule, while the deformable body provides a safe barrier to protect the user against glass shards.Type: ApplicationFiled: September 25, 2020Publication date: March 25, 2021Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: ALAN R. DOMBROWSKI, ROBERT A. ASMUS
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Patent number: 10940233Abstract: Provided is a method of forming a fibrinogen hydrogel composition, the method including providing a fibrinogen hydrogel or precursor thereof, comprising fibrinogen hydrogel forming salt. The fibrinogen hydrogel forming salt concentration is greater than or equal to the threshold concentration to form a fibrinogen hydrogel. The method further includes denaturing the fibrinogen hydrogel such as by heating. The method optionally further includes combining the fibrinogen hydrogel with a carrier material. When present, the concentration of the carrier material typically ranges from 0.1 to about 50 wt.-%. The method further includes reducing the salt concentration below the threshold concentration to form a fibrinogen hydrogel.Type: GrantFiled: October 4, 2017Date of Patent: March 9, 2021Assignee: 3M Innovative Properties CompanyInventors: James P. Dizio, Zhicheng Tian, Jason W. Bjork, Amy S. Determan, Robert A. Asmus, Jonathan J. O'Hare
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Publication number: 20200188552Abstract: Film forming gel compositions, useful in creating conformable and flexible gel bandages, can be formulate from a film forming polymer, a tackifier, and a volatile solvent. The film forming gels can also include antiseptics, cationic polymer coagulants, fillers, and other additives. The gel compositions form relatively thick films when dried on tissue, and can exhibit enhanced breathability to promote wound healing.Type: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Inventors: Delony L. Langer-Anderson, George W. Griesgraber, Semra Colak Atan, Junia M. Pereira, Katie F. Wlaschin, Alexi J. Young, Robert A. Asmus, David S. Hays, Jerald K. Rasmussen, Michael J. Solberg
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Patent number: 10603405Abstract: Film forming gel compositions, useful in creating conformable and flexible gel bandages, can be formulate from a film forming polymer, a tackifier, and a volatile solvent. The film forming gels can also include antiseptics, cationic polymer coagulants, fillers, and other additives. The gel compositions form relatively thick films when dried on tissue, and can exhibit enhanced breathability to promote wound healing.Type: GrantFiled: November 3, 2016Date of Patent: March 31, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Delony L. Langer-Anderson, George W. Griesgraber, Semra Colak Atan, Junia M. Pereira, Katie F. Wlaschin, Alexi J. Young, Robert A. Asmus, David S. Hays, Jerald K. Rasmussen, Michael J. Solberg
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Patent number: 10557055Abstract: Conformable coating composition are described comprising a (meth)acrylate copolymer comprising interpolymerized monomer units of fluorinated monomer and a volatile solvent having a solubility parameter from 4.9-12.5 (cal/cm3)1/2. In some embodiments, the fluorinated monomer has a Tg <30° C. In some embodiments, the dried coating exhibits no blocking and no greater than 75% failure at an elongation of 100%. Also described is a conformable film comprising a dried coating composition of the coating compositions described herein, articles comprising a layer of the conformable film on a substrate, and a copolymer comprising interpolymerized units of fluorinated monomer(s), silane monomer(s); and one or more monomers having a Tg ?50° C.Type: GrantFiled: July 2, 2015Date of Patent: February 11, 2020Assignee: 3M Innovative Properties CompanyInventors: Robert A. Asmus, Hae-Seung Lee, Dong-Wei Zhu
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Publication number: 20200038546Abstract: Provided is a method of forming a fibrinogen hydrogel composition, the method including providing a fibrinogen hydrogel or precursor thereof, comprising fibrinogen hydrogel forming salt. The fibrinogen hydrogel forming salt concentration is greater than or equal to the threshold concentration to form a fibrinogen hydrogel. The method further includes denaturing the fibrinogen hydrogel such as by heating. The method optionally further includes combining the fibrinogen hydrogel with a carrier material. When present, the concentration of the carrier material typically ranges from 0.1 to about 50 wt.-%. The method further includes reducing the salt concentration below the threshold concentration to form a fibrinogen hydrogel.Type: ApplicationFiled: October 4, 2017Publication date: February 6, 2020Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: JAMES P. DIZIO, ZHICHENG TIAN, JASON W. BJORK, AMY S. DETERMAN, ROBERT A. ASMUS, JONATHAN J. O'HARE
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Publication number: 20200030486Abstract: A method of forming a fibrin hydrogel composition including providing one or more unitary masses of a fibrin hydrogel, dividing at least one of the unitary masses of the fibrin hydrogel into a multiplicity of smaller pieces of the fibrin hydrogel, and recombining at least a portion of the smaller pieces into a cohesive mass. Dividing at least one of the unitary masses of fibrin hydrogel into a multiplicity of smaller pieces may include shearing or cutting the unitary masses to form an aqueous dispersion of the fibrin hydrogel in an aqueous medium. The aqueous dispersion of fibrin hydrogel may be applied to a substrate on a roller or an endless belt, and is optionally overlaid by a scrim. The cohesive mass of fibrin hydrogel, which may be formed by removing at least a portion of the aqueous medium from the aqueous dispersion of the smaller pieces of the fibrin hydrogel, finds uses in wound dressing articles.Type: ApplicationFiled: October 3, 2017Publication date: January 30, 2020Inventors: Jonathan J. O'HARE, Mikhail L. PEKUROVSKY, Amy S. DETERMAN, Gino L. PITERA, Jason W. BJORK, Daniel V. NORTON, Robert A. ASMUS
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Patent number: 10466219Abstract: A vapor sensor comprises a housing with an inlet opening in fluid communication with a sensor element within the housing. Standoff member(s) are positioned to maintain a gap between the inlet opening and a skin site. An operating circuit is in electrical communication with the sensor element and communicatively coupled to an output member. In use, the output member generates a sensory output indicative to an operator regarding concentration of alcoholic vapor in the ambient atmosphere proximate the skin site upon receiving communication from the operating circuit.Type: GrantFiled: July 6, 2018Date of Patent: November 5, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Myungchan Kang, Michael C. Palazzotto, Stefan H. Gryska, Robert A. Asmus, Melvin Y. Wong
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Patent number: 10196548Abstract: Polymeric materials are disclosed herein that include a reaction product of components comprising: a) a first amine component having at least two and at most three primary amino groups, secondary amino groups, or a mixture thereof, with the proviso that the first amine component is not a silicone diamine; b) a second amine component having (i) greater than three primary amino groups, or (ii) at least three primary amino groups and a plurality of secondary amino groups, wherein the second amine component is a polymeric material having a carbon backbone or a polymeric material having a carbon backbone with a plurality of catenated nitrogen atoms; and c) an oxalate ester.Type: GrantFiled: December 13, 2016Date of Patent: February 5, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jerald K. Rasmussen, Döne Demirgöz, Taylor M. Christian, Cary A. Kipke, Nicole Morozowich Beveridge, Andrew P. Klein, David S. Hays, James P. DiZio, George W. Griesgraber, Robert A. Asmus
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Patent number: D919797Type: GrantFiled: November 27, 2018Date of Patent: May 18, 2021Assignee: 3M Innovative Properties CompanyInventors: Alan R. Dombrowski, Robert A. Asmus