US 11,806,886 B2
Razor blades
John Chadwick, Pelham, NH (US); and Neville Sonnenberg, Newton, MA (US)
Assigned to The Gillette Company LLC, Boston, MA (US)
Filed by The Gillette Company LLC, Boston, MA (US)
Filed on Jul. 17, 2020, as Appl. No. 16/932,282.
Application 16/932,282 is a continuation of application No. 16/928,502, filed on Jul. 14, 2020.
Application 16/928,502 is a continuation of application No. 15/431,553, filed on Feb. 13, 2017, granted, now 10,766,157.
Prior Publication US 2020/0391398 A1, Dec. 17, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. B05D 3/10 (2006.01); B05D 5/00 (2006.01); B26B 21/60 (2006.01); B26B 21/40 (2006.01); C08J 7/02 (2006.01); B05D 5/08 (2006.01)
CPC B26B 21/60 (2013.01) [B26B 21/4068 (2013.01); C08J 7/02 (2013.01); B05D 3/107 (2013.01); B05D 5/083 (2013.01); B05D 2202/15 (2013.01); B05D 2506/15 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of treating razor blade coatings comprising the steps of:
(a) providing a vessel;
(b) providing a plurality of razor blades in said vessel;
(c) sealing said vessel;
(d) placing a solvent in said vessel, wherein said solvent comprises one or more defluorination compounds comprising C14F10, C14F14, or C14F18, or any combination thereof;
(e) heating said vessel to form a heated solution;
(f) contacting a portion of said plurality of razor blades with said heated solution;
(g) removing said heated solution; and
(h) cooling said plurality of razor blades, wherein removing said heated solution occurs before cooling said plurality of blades.