Patents by Inventor Naimul Karim

Naimul Karim 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).

  • Publication number: 20220280682
    Abstract: The present disclosure provides a solid composition that includes a polycarboxylic acid chelator component mixed with a water-soluble plasticizer component, and a water-soluble or water-dispersible polymer dissolved and/or dispersed in the plasticizer component. The water-soluble plasticizer component has a boiling point >105° C. and has a formula weight of less than 5000 atomic mass units. The composition comprises <10 wt % of a solvent that has a boiling point ?100 degrees C. When mixed with deionized water at a 1:9 mass ratio, the composition forms an aqueous mixture having a pH of about 2.5-5.5. Articles that include a substrate with a first major surface having a layer comprising the composition adhered to the first major surface are also provided. Methods of treating a biofilm or a wound site with the articles are also provided.
    Type: Application
    Filed: July 13, 2020
    Publication date: September 8, 2022
    Inventors: Rajan B. BODKHE, Naimul KARIM, Matthew T. SCHOLZ
  • Publication number: 20220280681
    Abstract: A wound dressing material comprises a base fiber web, a wound-contact scrim, and an antimicrobial layer. The wound-contact scrim comprises water-sensitive fibers comprising a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units. The antimicrobial layer is sandwiched between the base fiber web and the wound-contact scrim. The wounds dressing material may be contacted with an exposed surface of a wound. A method of making the wound dressing material is also disclosed.
    Type: Application
    Filed: September 24, 2020
    Publication date: September 8, 2022
    Inventors: Petra L. Kohler Riedi, Saurabh Batra, Naimul Karim, Joseph J. Stoffel, Rajan B. Bodkhe, Joseph A. Dunbar, Colby W. Dotseth, Semra Colak Atan
  • Publication number: 20220228306
    Abstract: A method of making a nonwoven fiber web comprises: providing a melt-blown nonwoven fiber web comprising bonded primary fibers having an average fiber diameter of 2 to 100 microns, wherein the primary fibers comprise a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units; opening at least a portion of the melt-blown nonwoven fiber web to provide loose primary fibers; combining the loose primary fibers with secondary fibers; and forming a secondary nonwoven fiber web comprising the primary fibers and secondary fibers. A fiber web preparable according to the method and a multicomponent fiber including a first phase comprising a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units and a second phase comprising a non-biodegradable polymer.
    Type: Application
    Filed: June 12, 2020
    Publication date: July 21, 2022
    Inventors: Petra L. Kohler Reidi, Saurabh Batra, Hannah C. Cohen, Semra Colak Atan, Naimul Karim, Joseph J. Stoffel, Joseph A. Dunbar, Colby W. Dotseth
  • Publication number: 20220118669
    Abstract: Coextruded polymeric netting having a machine direction comprising: a plurality of pairs of: first segments each having first and second opposed major surfaces and a thickness, the first segments comprising first material; second segments comprising second material, wherein adjacent first segments are joined together via a second segment, wherein the second segments extend from the second major surface past the first major surface of each first adjacent segment and has a distal end, the second segments having first and second opposed major surfaces, wherein there is a gap between adjacent second segments; and a third material, different from the first and second materials on at least one of the first or second major surfaces of at least every other second segment, wherein the first segments, second segments, and third material each extend continuously for at least 5 mm in the machine direction, and wherein first and second materials of adjacent pairs are periodically bonded together in the machine direction.
    Type: Application
    Filed: March 3, 2020
    Publication date: April 21, 2022
    Inventors: Ronald W. Ausen, William J. Kopecky, Michael W. Voigt, Naimul Karim, Vasav Sahni
  • Publication number: 20220118670
    Abstract: Article comprising first and second coextruded polymeric nettings, the first and second coextruded polymeric nettings each having a machine direction comprising: a plurality of pairs of: first segments each having first and second opposed major surfaces and a thickness, the first segments comprising first material; second segments comprising second material, wherein adjacent first segments are joined together via a second segment, wherein the second segments extend from the second major surface past the first major surface of each first adjacent segment and has a distal end, the second segments having first and second opposed major surfaces, wherein there is a gap between adjacent second segments; and a third material comprising adhesive, different from the first and second materials on at least one the first or second major surfaces first segment, wherein the first segments, second segments, and third material each extend continuously for at least 5 mm in the machine direction, and wherein first and second m
    Type: Application
    Filed: February 17, 2020
    Publication date: April 21, 2022
    Inventors: Ronald W. Ausen, William J. Kopecky, Michael W. Voigt, Naimul Karim, Vasav Sahni
  • Publication number: 20220079893
    Abstract: Compositions including a quaternary amine antiseptic component having a concentration of at least about 0.04% by weight; a poly carboxylic acid chelator having a concentration of at least about 0.05 M and/or an alphahydroxy acid buffer having a concentration of at least about 0.05 M; a (C8-C12) 1,2 alkane diol; and optionally water are provided. The compositions have a pH greater than or equal to 3.5 and less than 5.5 at 23° C. In certain embodiments, water is present in the composition at a greater weight percent than each of the quaternary amine antiseptic component; the polycarboxylic acid chelator, if present; the alphahydroxy acid buffer, if present; and the (C8-C12) 1,2-alkane diol. In certain embodiments, water is present in the composition at a greater weight percent than any other component.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 17, 2022
    Inventors: Rajan B. Bodkhe, Ranjani V. Parthasarathy, Matthew T. Scholz, Naimul Karim, Petra L. Kohler Riedi, Joseph J Stoffel
  • Publication number: 20210322227
    Abstract: An article. The article includes a polymer foam having a first major surface and a second major surface; and discrete domains of a therapeutic composition at least partially surrounded by the polymer foam; wherein an exterior surface of each discrete domain substantially conforms to a portion of the first major surface of the polymer foam; wherein the article comprises a first major surface and a second major surface; and wherein a portion of the first major surface of the polymer foam and the exterior surfaces of discrete domains form the first major surface of the article.
    Type: Application
    Filed: July 19, 2019
    Publication date: October 21, 2021
    Inventors: Petra L. Kohler Riedi, Joseph D. Rule, Naimul Karim, Semra Colak Atan, Wei Zhang, Andrew W. Vail
  • Publication number: 20210113815
    Abstract: A securement device for securing a medical article, comprising abase having a longitudinal axis, a top face and a bottom face, where the longitudinal axis defines a longitudinal direction, a cuff disposed on the top face of the base and positioned along the longitudinal axis, the cuff comprising an entry gap in at least a portion of the cuff and defining an interior aperture, and a bar disposed on the top face of the base, the bar positioned along the longitudinal axis, where the bar is moveable between an open position and a closed position and where the bar cooperates with the cuff in the closed position to secure the medical article.
    Type: Application
    Filed: February 18, 2019
    Publication date: April 22, 2021
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: NAIMUL KARIM, JENNIFER N. HANSON, JIA HU, CHAODI LI, THOMAS G. SKULLEY, SHILPI K. SANGHI, PETER M. EISENBERG
  • Patent number: 10888463
    Abstract: A medical article and methods of using same. The medical article can include a machine direction (MD) and a cross-machine direction (CMD); a support layer; and a viscoelastic layer. The viscoelastic layer can be coupled to the support layer, and the viscoelastic layer can be discontinuous in the MD and/or the CMD. The viscoelastic layer can recover at least 70% of its deformation after 48 hours at room temperature after being strained to 50% elongation, such that the medical article has a first tensile stiffness T1 at a first strain rate S1, and a second tensile stiffness T1 at a second strain rate S1. The ratio of S1/S2 can be at least 100, and the ratio of T1/T2 can be at least 1.5. The method can include wrapping the medical article around a body part; applying the first strain rate S1; and applying the second strain rate S2.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: January 12, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Joseph D. Rule, Naimul Karim, John J. Rogers, Guido Hitschmann
  • Patent number: 10772712
    Abstract: The present application is directed to a method of using a hardenable dental article. The method can include providing the hardenable dental article; applying the hardenable dental article to a dental structure; customizing the shape of the hardenable dental article; and at least partially curing the hardenable dental article.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: September 15, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jie Yang, Naimul Karim, Todd D. Jones, Gerald S. Deeb, Dwight W. Jacobs
  • Patent number: 10751147
    Abstract: A method of using hardenable dental articles. The method can include placing a film (30) onto a dental structure (40) to cover at least a portion of the dental structure (40); providing a hardenable dental article (10); and applying the hardenable dental article (10) to the dental structure (40) covered by the film (30).
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: August 25, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jie Yang, Naimul Karim, Todd D. Jones, Dwight W. Jacobs, Steven Keck, Kristen Keller, Richard Yufeng Liu
  • Patent number: 10441749
    Abstract: A securement device for securing a medical article is disclosed. The securement device comprises a base and a first securing portion comprising a strap that is movable between an open position and a closed position and a connector disposed on the base. The strap cooperates with the connector in the closed position to form an enclosure. The strap further comprises a curvilinear segment that projects inwardly into the enclosure in a convex orientation when the strap is in the closed position. Securement systems for securing medical articles and methods of securing at least a portion of a medical article to a patient are also provided.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: October 15, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Peter M. Eisenberg, Jia Hu, Chaodi Li, Shilpi K. Sanghi, Jennifer N. Hanson, Thomas G. Skulley
  • Publication number: 20190030288
    Abstract: A medical article securement system for securing a medical article. The system can include a patch; a vertical wall comprising a first major surface positioned to face the medical article and a second major surface comprising a first mating surface of a mechanical fastener; and a flap comprising a first major surface positioned to face the medical article, at least a portion of the first major surface comprising a second mating surface of a mechanical fastener configured to engage the first mating surface of the vertical wall.
    Type: Application
    Filed: October 31, 2016
    Publication date: January 31, 2019
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Naimul Karim, Jennifer N. Hanson, Shilpi K. Sanghi, Jia Hu
  • Publication number: 20180318554
    Abstract: A medical article securement system. The system can include a patch comprising a skin-contact adhesive. The system can further include at least one flap comprising a fixed end coupled to the patch, and a free end that is movable with respect to the patch and configured to secure at least a portion of the medical article to the patch. At least the free end of the flap can include a first major surface configured to face the medical article, at least a portion of the first major surface comprising a first mating surface of a mechanical fastener; and a second major surface, opposite the first major surface, configured to face away from the medical article, at least a portion of the second major surface comprising a second mating surface of the mechanical fastener configured to engage the first mating surface of the same flap, a different flap, or both.
    Type: Application
    Filed: October 31, 2016
    Publication date: November 8, 2018
    Inventors: Naimul Karim, Jennifer N. Hanson, Shilpi K. Sanghi, Jia Hu
  • Publication number: 20180303873
    Abstract: Compositions for treating a biofilm comprising viable microorganisms are provided. The compositions include a suspending medium, a bioactive glass comprising B2O3, and an effective amount of an antimicrobial compound selected from the group consisting of antimicrobial biguanide, quaternary ammonium compound, silver or copper deposited as a coating on the surface of the bioactive glass, and antimicrobial lipid component. Methods of treating a biofilm or a surface with the compositions are also provided.
    Type: Application
    Filed: November 30, 2015
    Publication date: October 25, 2018
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: RAHA A. BEEN, NAIMUL KARIM, PETRA L. KOHLER RIEDI, ANDREW W. VAIL, BADRI VEERARAGHAVAN
  • Publication number: 20180243537
    Abstract: A securement system for securing a multi-lumen medical article. The system can include a patch, and a longitudinal flap. The flap can include a fixed proximal portion that is fixed with respect to the patch; a hinge; and a free distal portion movable via the hinge with respect to the patch and the fixed proximal portion of the flap between an open position and a closed position. The hinge can include a lateral width that is less than a lateral width of the patch and less than a lateral width of the flap. The hinge can be dimensioned to be received between two adjacent proximal tubings of the medical article, e.g., to provide a longitudinal stop to the medical article. The free distal portion can be configured to secure at least the multi-lumen joint of the medical article to the patch.
    Type: Application
    Filed: November 9, 2016
    Publication date: August 30, 2018
    Inventors: Naimul Karim, Jennifer N. Hanson, Shilpi K. Sanghi, Jia Hu
  • Publication number: 20180071053
    Abstract: A method of using hardenable dental articles. The method can include placing a film (30) onto a dental structure (40) to cover at least a portion of the dental structure (40); providing a hardenable dental article (10); and applying the hardenable dental article (10) to the dental structure (40) covered by the film (30).
    Type: Application
    Filed: March 21, 2016
    Publication date: March 15, 2018
    Inventors: Jie Yang, Naimul Karim, Todd D. Jones, Dwight W. Jacobs, Steven Keck, Kristen Keller, Richard Yufeng Liu
  • Publication number: 20170209245
    Abstract: The present application is directed to a method of using a hardenable dental article. The method can include providing the hardenable dental article; applying the hardenable dental article to a dental structure; customizing the shape of the hardenable dental article; and at least partially curing the hardenable dental article.
    Type: Application
    Filed: July 14, 2015
    Publication date: July 27, 2017
    Inventors: Jie Yang, Naimul Karim, Todd D. Jones, Gerald S. Deeb, Dwight W. Jacobs
  • Publication number: 20170073548
    Abstract: An article for securing an object to a surface is provided. The article comprises a conformable backing having top and bottom major surfaces and a perimeter edge, an adhesive coated on at least a portion of the bottom major surface of the backing, and a self-supporting carrier releasably adhered to the top major surface of the backing, the carrier having spaced-apart first and second sections, each section having a central edge. The central edges define opposing borders of an object-conformable region of the backing. On opposite sides of the object-conformable region, the backing comprises two anchor regions. Also provided is a method of using the article to secure an object to the surface. The method comprises using at least one section of the carrier to conform the backing to at least a portion of the topological shape of the object to be secured to the surface.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 16, 2017
    Inventors: Naimul Karim, Michael G. Williams
  • Patent number: D861172
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: September 24, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jie Yang, Naimul Karim