发明授权
- 专利标题： Prevention of water staining of aluminum
- 专利标题（中）： 防止铝的水污染
-
申请号： US832258申请日： 1977-09-12
-
公开(公告)号： US4122217A公开(公告)日： 1978-10-24
- 发明人: Robert J. Sturwold , Walter Earl Utz , Nicholas Christ , William R. Ford, Jr. , George P. Koch
- 申请人： Robert J. Sturwold , Walter Earl Utz , Nicholas Christ , William R. Ford, Jr. , George P. Koch
- 申请人地址： OH Cincinnati VA Richmond
- 专利权人： Emery Industries, Inc.,Reynolds Metals Co.
- 当前专利权人： Emery Industries, Inc.,Reynolds Metals Co.
- 当前专利权人地址： OH Cincinnati VA Richmond
- 主分类号： B05D5/00
- IPC分类号： B05D5/00 ; B05D7/16 ; C08G63/48 ; C23F11/12 ; C21D1/00
摘要：
This invention relates to a method for protecting aluminum and aluminum alloy products against water staining. The method involves applying a continuous film of a protective composition to the surface of the aluminum product. The protective compositions useful for the invention are blends or reaction products of a polybasic acid and a partial ester of a polyol.
公开/授权文献
信息查询
