Invention Grant
- Patent Title: Methods for synthesizing zinc-lysine-chloride complex
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Application No.: US16714884Application Date: 2019-12-16
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Publication No.: US11091502B2Publication Date: 2021-08-17
- Inventor: Zhigang Hao , Chi-Yuan Cheng , Tatiana Brinzari , Long Pan , Ravi Subramanyam
- Applicant: Colgate-Palmolive Company
- Applicant Address: US NY New York
- Assignee: Colgate-Palmolive Company
- Current Assignee: Colgate-Palmolive Company
- Current Assignee Address: US NY New York
- Main IPC: C07F3/06
- IPC: C07F3/06 ; A61K8/27 ; A61K8/44 ; C07C229/26
Abstract:
Disclosed herein are improved methods for the synthesis of zinc-amino acid-halide complexes via reaction of zinc halide and amino acid free base in a solvent comprising a polyol, as well as oral care compositions comprising said complexes made according to said method.
Information query
