- Patent Title: Method of preparing copper-containing wood preserving compositions
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Application No.: US16114675Application Date: 2018-08-28
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Publication No.: US11102980B2Publication Date: 2021-08-31
- Inventor: Jun Zhang , Peter Tham
- Applicant: Koppers Performance Chemicals Inc.
- Applicant Address: US PA Pittsburgh
- Assignee: Koppers Performance Chemicals Inc.
- Current Assignee: Koppers Performance Chemicals Inc.
- Current Assignee Address: US PA Pittsburgh
- Agency: K&L Gates LLP
- Main IPC: A01N59/20
- IPC: A01N59/20 ; B27K3/22 ; C09D7/65 ; C09D7/63 ; A01N25/02 ; C09D5/14
Abstract:
The present invention relates to a method for producing copper ammonia solutions by reacting a cuprous oxide with ammonia, carbon dioxide and an oxidant. The resulting copper-containing solution can then be used to formulate a variety of wood preserving products.
Public/Granted literature
- US20190090493A1 METHOD OF PREPARING COPPER-CONTAINING WOOD PRESERVING COMPOSITIONS Public/Granted day:2019-03-28
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