发明授权
US07981515B2 Bis epoxy polyesters and food cans coated with a composition comprising same
有权
双环氧聚酯和涂有包含其的组合物的食品罐
- 专利标题： Bis epoxy polyesters and food cans coated with a composition comprising same
- 专利标题（中）： 双环氧聚酯和涂有包含其的组合物的食品罐
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申请号： US11442866申请日： 2006-05-30
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公开(公告)号： US07981515B2公开(公告)日： 2011-07-19
- 发明人: Ronald R. Ambrose , Ken W. Niederst , John M. Dudik , Mary Ann M. Fuhry
- 申请人： Ronald R. Ambrose , Ken W. Niederst , John M. Dudik , Mary Ann M. Fuhry
- 申请人地址： US OH Cleveland
- 专利权人： PPG Industries Ohio, Inc.
- 当前专利权人： PPG Industries Ohio, Inc.
- 当前专利权人地址： US OH Cleveland
- 代理商 Diane R. Meyers
- 主分类号： B32B15/08
- IPC分类号： B32B15/08 ; C08G59/16 ; C08G63/06 ; C08L63/00 ; C08L63/10 ; C08L67/04
摘要：
Polyesters comprising the reaction product of a polyol and a bis-epoxy reacted with a mono- and/or di-phenolic carboxylic acid and/or ester are disclosed. Food cans coated at least in part on the interior with a composition comprising these polyesters are also disclosed. The composition used on the food cans is substantially free of BPA and BPF and substantially free of BADGE and BFDGE. Food cans coated at least in part on the interior with a composition comprising a polyester having a loss of molecular weight of less than 50% in an acidic medium are also disclosed.
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