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).

  • Patent number: 6610315
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23° C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: August 26, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Publication number: 20030138492
    Abstract: Devices, coating compositions and methods for making such compositions are provided, wherein the coatings deliver chlorhexidine gluconate from a stable non-aqueous system.
    Type: Application
    Filed: September 26, 2002
    Publication date: July 24, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Sharon M. Rozzi, Robert A. Asmus, Brian R. Morrison
  • Patent number: 6582711
    Abstract: An antimicrobial hydroalcoholic composition comprising hydroalcoholic solvent system comprising a lower alcohol and water in a weight ratio of at least about 50:50; a thickener system comprising at least one cationic or nonionic polymeric thickener that is solid at ambient temperature; and a secondary antimicrobial agent.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: June 24, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Robert A. Asmus, Matthew T. Scholz
  • Patent number: 6562360
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: May 13, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Patent number: 6534069
    Abstract: A hydroalcoholic lotion is disclosed which comprises (a) a lower alcohol and water in a weight ratio of about 35:65 to 100:0, and (b) between at least 0.5% and 8% by weight thickener system comprised of at least one emulsifier present in at least 0.05% by weight wherein the composition in a polymer free state has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein the emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The hydroalcoholic composition is useful as a hand preparation such as a lotion or as a presurgical scrub replacement.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: March 18, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Robert A. Asmus, Matthew T. Scholz, Jill R. Charpentier
  • Publication number: 20020160029
    Abstract: A hydroalcoholic lotion is disclosed which comprises (a) a lower alcohol and water in a weight ratio of about 35:65 to 100:0, and (b) between at least 0.5% and 8% by weight thickener system comprised of at least one emulsifier present in at least 0.05% by weight wherein the composition in a polymer free state has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein the emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The hydroalcoholic composition is useful as a hand preparation such as a lotion or as a presurgical scrub replacement.
    Type: Application
    Filed: February 14, 2002
    Publication date: October 31, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Robert A. Asmus, Matthew T. Scholz, Jill R. Charpentier
  • Publication number: 20020142018
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23° C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Application
    Filed: February 14, 2002
    Publication date: October 3, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Patent number: 6458341
    Abstract: Devices, coating compositions and methods for making such compositions are provided, wherein the coatings deliver chlorhexidine gluconate from a stable non-aqueous system.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: October 1, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Sharon M. Rozzi, Robert A. Asmus, Brian R. Morrison
  • Publication number: 20020127253
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Application
    Filed: December 10, 2001
    Publication date: September 12, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Patent number: 6355448
    Abstract: A sterilization indicator for testing the effectiveness of a sterilization procedure comprises a source of an enzyme, a sterilant-resistant chemical associated with the enzyme, and a substrate that reacts with the enzyme to form a detectable enzyme-modified product that provides an indication of the failure of the sterilization procedure. The sterilant-resistant chemical may be a polyglycerol alkyl ester, polyglycerol alkyl ether, an ethoxylated polyhydric alcohol ester, or a polyhydric alcohol ether. The indicator may be used to test the effectiveness of a hydrogen peroxide plasma sterilization procedure and may be provided with a non-challenge test pack or a lumen-challenge test pack.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: March 12, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: William E. Foltz, Robert A. Asmus, Ronald G. Lulich
  • Patent number: 6352701
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: March 5, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Patent number: 6090395
    Abstract: A hydroalcoholic lotion is disclosed which comprises (a) a lower alcohol and water in a weight ratio of about 35:65 to 100:0, and (b) between at least 0.5% and 8% by weight thickener system comprised of at least one emulsifier present in at least 0.05% by weight wherein the composition in a polymer free state has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein the emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The hydroalcoholic composition is useful as a hand preparation such as a lotion or as a presurgical scrub replacement.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: July 18, 2000
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert A. Asmus, Matthew T. Scholz, Jill R. Charpentier
  • Patent number: 6019997
    Abstract: Hydroalcoholic compositions useful for the enhancement of the transdermal delivery of a pharmaceutical agent, methods of preparation, transdermal delivery systems, and methods of delivering the pharmaceutical agent are provided. The composition includes a lower alcohol and water in a weight ratio of at least about 20:80, a pharmaceutical agent, and an emulsifier system.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: February 1, 2000
    Assignee: Minnesota Mining and Manufacturing
    Inventors: Matthew T. Scholz, Robert A. Asmus, John C. Hedenstrom
  • Patent number: 5985395
    Abstract: An incise drape suitable for use in surgical procedures. The drape comprises a substantially transparent flexible film that has at least a portion of one major surface coated or covered with a pressure sensitive adhesive, and a two liners removably covering the adhesive. Each liner has a handle spaced from the opposite side edges of the film, and a body portion attached to the handle. The body portion of each liner extends along the adhesive from handle in the direction away from the other liner. The drape is repeatedly folded over from the opposite side edges of the film toward the handles so that the drape may be unfolded and the adhesive exposed by pulling the handles apart.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: November 16, 1999
    Assignee: 3M Innovative Properties Company
    Inventors: Kristen L. Comstock, Matthew T. Scholz, Gregg A. Patnode, Robert A. Asmus, Charles L. Newman, Nancy E. Stewart, Thomas L. Agrimson
  • Patent number: 5951993
    Abstract: Disclosed is a composition including a lower alcohol and water in a weight ratio of about 35:65 to 100:0, between at least 0.5% and 8.0% by weight thickener system comprised of at least two emulsifiers, each emulsifier present in at least 0.05% by weight wherein the composition free of auxiliary thickeners has a viscosity of at least 4,000 centipoise at 23 degrees C. and wherein each emulsifier is comprised of at least one hydrophobic group and at least one hydrophilic group. The composition is useful as a presurgical scrub replacement, a lotion or other hand preparation.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: September 14, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Matthew T. Scholz, Robert A. Asmus, Jill R. Charpentier
  • Patent number: 5438988
    Abstract: A hydrophilic, pressure-sensitive adhesive composition prepared by irradiating solid poly(N-vinyl lactam) with ionizing radiation to crosslink the poly(N-vinyl lactam) and thereafter mixing the radiation-crosslinked poly(N-vinyl lactam) with essentially unirradiated plasticizer in an amount sufficient to form a cohesive, pressure-sensitive adhesive composition. The composition is useful as a biomedical adhesive for transmitting or receiving electrical signals as a component of a biomedical electrode. The composition is also useful as a drug delivery device to deliver pharmaceuticals or other active ingredients to or through mammalian skin. The composition is also useful as a component in a skin covering for protecting mammalian skin or mammalian skin openings with antimicrobial agents. A method of preparation of the composition is also disclosed.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: August 8, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Daniel C. Duan, Robert A. Asmus, Timothy M. Dietz, Rosa Uy, Olester Benson, Jr.
  • Patent number: 5409966
    Abstract: A hydrophilic, pressure-sensitive adhesive composition prepared by irradiating solid poly(N-vinyl lactam) with ionizing radiation to crosslink the poly(N-vinyl lactam) and thereafter mixing the radiation-crosslinked poly(N-vinyl lactam) with essentially unirradiated plasticizer in an amount sufficient to form a cohesive, pressure-sensitive adhesive composition. The composition is useful as a biomedical adhesive for transmitting or receiving electrical signals as a component of a biomedical electrode. The composition is also useful as a drug delivery device to deliver pharmaceuticals or other active ingredients to or through mammalian skin. The composition is also useful as a component in a skin covering for protecting mammalian skin Or mammalian skin openings with antimicrobial agents. A method of preparation of the composition is also disclosed.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: April 25, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Daniel C. Duan, Robert A. Asmus, Timothy M. Dietz, Rosa Uy, Olester Benson, Jr.
  • Patent number: 5389376
    Abstract: A hydrophilic, pressure-sensitive adhesive composition prepared by irradiating solid poly(N-vinyl lactam) with ionizing radiation to crosslink the poly(N-vinyl lactam) and thereafter mixing the radiation-crosslinked poly(N-vinyl lactam) with essentially unirradiated plasticizer in an amount sufficient to form a cohesive, pressure-sensitive adhesive composition. The composition is useful as a biomedical adhesive for transmitting or receiving electrical signals as a component of a biomedical electrode. The composition is also useful as a drug delivery device to deliver pharmaceuticals or other active ingredients to or through mammalian skin. The composition is also useful as a component in a skin covering for protecting mammalian skin or mammalian skin openings with antimicrobial agents. A method of preparation of the composition is also disclosed.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: February 14, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Daniel C. Duan, Robert A. Asmus, Timothy M. Dietz, Rosa Uy, Olester Benson, Jr.
  • Patent number: 5369155
    Abstract: A composite of a gel of swollen hydrocolloid dispersed in a pressure sensitive adhesive matrix is provided. The gel has a natural or synthetically derived hydrocolloid swollen with a non-volatile swelling agent, such that the gel may have a shear modulus of less than 6.2.times.10.sub.6 dynes/cm.sup.2 The gel-adhesive composite has continued skin adhesion whether applied to or existing in dry or moist skin conditions. The gel contributes a high moisture vapor transmission rate to attempt to maintain dry skin conditions while the adhesive maintains skin adhesion. The gel-adhesive composite may be used in a variety of tape, dressing, bandage, drape, or other skin contacting usage and may optionally include antimicrobial agents to treat the skin while adhesion continues.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: November 29, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Robert A. Asmus
  • Patent number: 5338490
    Abstract: A two-phase composite of ionically-conductive pressure-sensitive adhesive, biomedical electrodes using the composite and methods of preparing the composite and the electrode are disclosed. The continuous phase is a hydrophilic, solid state pressure-sensitive adhesive composition ionically-conductive regardless of an amount of water present in the composition. The discontinuous phase are domains of a hydrophobic pressure-sensitive adhesive which enhances adhesion of the composite to mammalian skin while maintaining acceptable alternating current impedance of the composite.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: August 16, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Timothy M. Dietz, Robert A. Asmus, Rosa Uy