Invention Grant
- Patent Title: Non-hazardous cleaning solution and process for cleaning blackened needles
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Application No.: US16438851Application Date: 2019-06-12
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Publication No.: US11213866B2Publication Date: 2022-01-04
- Inventor: Duan Li Ou , Christophe Vailhe
- Applicant: Ethicon, Inc.
- Applicant Address: US NJ Somerville
- Assignee: Ethicon, Inc.
- Current Assignee: Ethicon, Inc.
- Current Assignee Address: US NJ Somerville
- Main IPC: B08B3/12
- IPC: B08B3/12 ; B08B3/08 ; C11D7/26
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 (
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