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.:
Date of Patent:
Jan. 04, 2022
Filed:
Jun. 12, 2019
Applicant:
Ethicon, Inc., Somerville, NJ (US);
Inventors:
Duan Li Ou, Warren, NJ (US);
Christophe Vailhe, Hillsborough, NJ (US);
Assignee:
ETHICON, INC, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/12 (2006.01); B08B 3/08 (2006.01); C11D 7/26 (2006.01);
U.S. Cl.
CPC ...
B08B 3/12 (2013.01); B08B 3/08 (2013.01); C11D 7/265 (2013.01);
Abstract
A non-hazardous cleaning solution/process has been developed to remove oxide residues from the surface of blackened needles. Low concentrations of citric acid solution are mixed with blackened needles and treated in an ultrasonic tank for short period of time (<5 minutes). The oxide residues are substantially removed.