| 发明名称 |
HEAT-SEALABLE FILTER MATERIAL WITH BIODEGRADABLE POLYMERS |
| 摘要 |
<p>The invention relates to a filter material comprising at least two layers, where at least one layer contains natural fibres and at least one layer contains biodegradable thermoplastic fibres. Said thermoplastic fibres are chosen from among the group of aliphatic or partly aromatic polyester amides, aliphatic or partly aromatic polyesters, aliphatic or partly aromatic polyester urethanes, and aliphatic or aliphatic-aromatic polyester carbonates.</p> |
| 申请公布号 |
CA2289739(A1) |
申请公布日期 |
1998.11.19 |
| 申请号 |
CA19982289739 |
申请日期 |
1998.04.30 |
| 申请人 |
PAPIERFABRIK SCHOELLER & HOESCH GMBH & CO. KG;BAYER AKTIENGESELLSCHAFT |
发明人 |
GRANGLADEN, RICHARD;HEINRICH, GUENTER;SCHULZ-SCHLITTE, WOLFGANG;TIMMERMANN, RALF;GRIGAT, ERNST;SCHROFT, SABINE |
| 分类号 |
B65D77/00;A47J31/06;B01D39/16;B65D65/46;B65D81/00;B65D85/808;C08L77/12;D04H13/00;D21H11/12;D21H13/20;D21H13/24;D21H13/26;D21H27/00;D21H27/08;D21H27/38;(IPC1-7):B01D39/16;A47J31/08;B65D81/34 |
主分类号 |
B65D77/00 |
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