Patents by Inventor Alec Krienen

Alec Krienen 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).

  • ANTIMICROBIAL CLEANING COMPOSITIONS CONTAINING POLYURETHANE SALTED WITH BIS-BIGUANIDE FREE BASE
    Publication number: 20230416653
    Abstract: The present technology relates to antimicrobial cleaning compositions comprising a polyurethane having at least one acid group salted with a biguanide (e.g., bis-biguanide) free base compound. More specifically, the present technology relates to an antimicrobial cleaning composition comprising a) a polyurethane with at least one free acid group salted with a biguanide free base; b) at least one surfactant; and c) a diluent. Surfaces treated with the antimicrobial compositions of the disclosed technology are provided with residual inhibition against the proliferation of microbe growth.
    Type: Application
    Filed: November 19, 2021
    Publication date: December 28, 2023
    Applicant: Lubrizol Advanced Materials, Inc.
    Inventors: Allister Theobald, Smita Brijmohan, Jane Mathews, Alexander V. Lubnin, Alec Krienen, Eve De Maesschalck, Jobiah J. Sabelko, Yunpeng Zhu, Patricia Osta-Ustarroz, Christopher C. Cypcar
  • POLYURETHANE COMPOSITIONS SALTED WITH BISBIGUANIDE
    Publication number: 20220403162
    Abstract: The present subject matter relates to a polyurethane composition comprising a polyurethane with at least one free acid group salted with a biguanide free base.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 22, 2022
    Inventors: Alexander V. Lubnin, Devin Webber, Naser Pourahmady, Alec Krienen