	US 12,296,070 B2
	Antibacterial implant coating composition, method of implant coating and antibacterial coated implant
Anne Seiffert, Braunschweig (DE); Henning Menzel, Lehrte (DE); Michael Küllmer, Lemgo (DE); Hans-Christoph Schwarz, Bad Salzuflen (DE); Meike Stiesch, Hannover (DE); Andreas Winkel, Hannover (DE); and Jasmin Grischke, Hannover (DE)
Assigned to GEBR. BRASSELER GMBH & CO. KG, Lemgo (DE)
Filed by GEBR. BRASSELER GMBH & CO. KG, Lemgo (DE)
Filed on Apr. 6, 2022, as Appl. No. 17/714,594.
Claims priority of application No. 102021108936.0 (DE), filed on Apr. 9, 2021.
Prior Publication US 2022/0331494 A1, Oct. 20, 2022
Int. Cl. A61L 27/54 (2006.01); A61L 27/34 (2006.01); C08L 33/02 (2006.01)

CPC A61L 27/54 (2013.01) [A61L 27/34 (2013.01); C08L 33/02 (2013.01); A61L 2420/02 (2013.01)]

18 Claims

1. An antibacterial implant coating composition comprising a graft copolymer comprising:

a (meth)acrylic acid-based backbone and

phosphonate side chains,

wherein at least one of the phosphonate side chains is linked to a guanidine oligomer through a N—P bond;

wherein the guanidine oligomer formed by reacting a diamine with guanidine hydrochloride.