发明授权
- 专利标题： Paper wrapper having improved ash characteristics
- 专利标题（中）： 具有改善灰分特性的纸包装纸
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申请号： US684568申请日： 1991-04-12
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公开(公告)号： US5161551A公开(公告)日： 1992-11-10
- 发明人: Edward B. Sanders , Sheryl D. Baldwin , Barbro L. Goodman , Cynthia W. Arterbery , James L. Myracle
- 申请人： Edward B. Sanders , Sheryl D. Baldwin , Barbro L. Goodman , Cynthia W. Arterbery , James L. Myracle
- 申请人地址： NY New York
- 专利权人： Philip Morris Incorporated
- 当前专利权人： Philip Morris Incorporated
- 当前专利权人地址： NY New York
- 主分类号： A24D1/02
- IPC分类号： A24D1/02 ; D21H17/67
摘要：
The ash characteristics of a cigarette paper wrapper are improved by using fine particle size calcium carbonate filler. In addition, increased calcium carbonate filler loading level, increased basis weight, and various combinations of these variables are used to achieve improved ash characteristics.
公开/授权文献
- US4658025A Hydrazine-thiocarboxylic acid O-carbamoylmethyl esters 公开/授权日：1987-04-14
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