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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10842148 B1

PDFFull Text
Date of Patent:
Nov. 24, 2020

Filed:

Jun. 30, 2017

Colloidal antimicrobial and anti-biofouling coatings for surfaces

Applicant:

The Hong Kong University of Science and Technology, Hong Kong, CN;

Inventors:

King Lun Yeung, Hong Kong, CN;

Hanrong Zhang, Hong Kong, CN;

Ying Li, Hong Kong, CN;

Awais Farid, Hong Kong, CN;

Assignee:

THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Hong Kong, CN;

Attorneys:

Nath, Goldberg & Meyer

Joshua B. Goldberg

Primary Examiner:

Cachet I Proctor

Int. Cl.
CPC ...
A01N 25/28 (2006.01); A61L 2/232 (2006.01); C09D 5/14 (2006.01); A01N 25/10 (2006.01); A01N 35/02 (2006.01); A01N 47/44 (2006.01); A01N 65/22 (2009.01); C09D 5/16 (2006.01); D06M 13/13 (2006.01); D06M 15/333 (2006.01); D06M 15/356 (2006.01); D06M 15/53 (2006.01); D06M 15/61 (2006.01); A01N 49/00 (2006.01); A01N 25/26 (2006.01); A01N 33/12 (2006.01); A01N 33/04 (2006.01); D06M 16/00 (2006.01); D06M 13/00 (2006.01); D06M 15/263 (2006.01); D06M 15/03 (2006.01); A01N 31/02 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); C09D 101/10 (2006.01); C09D 105/08 (2006.01); C09D 133/14 (2006.01); C09D 139/04 (2006.01); C09D 139/06 (2006.01); C09D 179/02 (2006.01); D06M 13/144 (2006.01); D06M 23/12 (2006.01);
U.S. Cl.
CPC ...
A01N 25/28 (2013.01); A01N 25/10 (2013.01); A01N 25/26 (2013.01); A01N 31/02 (2013.01); A01N 33/04 (2013.01); A01N 33/12 (2013.01); A01N 35/02 (2013.01); A01N 47/44 (2013.01); A01N 49/00 (2013.01); A01N 65/22 (2013.01); A61L 2/232 (2013.01); B01D 67/0093 (2013.01); B01D 69/02 (2013.01); C09D 5/14 (2013.01); C09D 5/1637 (2013.01); C09D 101/10 (2013.01); C09D 105/08 (2013.01); C09D 133/14 (2013.01); C09D 139/04 (2013.01); C09D 139/06 (2013.01); C09D 179/02 (2013.01); D06M 13/005 (2013.01); D06M 13/13 (2013.01); D06M 13/144 (2013.01); D06M 15/03 (2013.01); D06M 15/263 (2013.01); D06M 15/333 (2013.01); D06M 15/3562 (2013.01); D06M 15/53 (2013.01); D06M 15/61 (2013.01); D06M 16/00 (2013.01); D06M 23/12 (2013.01); B01D 2325/48 (2013.01);
Abstract

Methods and formulations for antimicrobial and anti-biofouling coating comprising: a hollow round colloidal structure, comprising: an active polymer shell; and an active or inert core; wherein the active polymer shell comprises one and more polymers with antimicrobial and anti-biofouling activities selected from the group consisting of polyethylenimine (PEI), functionalized chitosan (CHI), polyquaternium, poly(diallyldimethylammonium chloride) (PDDA) and polyhexamethylene biguanide (PHMD); wherein the active or inert core contains one and more disinfectants, biocides, fragrances or inert solvent; and wherein the hollow round colloidal structure is stable for at least 3 months.

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