摘要:
A 3-cephem derivative crystal which is a clathrate compound comprising p-methoxybenzyl ester of 7-phenylacetamide-3-formyl-3-cephem-4-carboxylic acid and dimethylformamide and a process for preparing the 3-cephem derivative crystal.
摘要:
A material to be processed into leather products such as leather and fur characterized in that at least one effective component of an aromatic component, a deodorant component, a drug effective component, an antibacterial component, an anti-mold component, and an insect-controlling component, or a fat or oil component such as a fatliquoring agent is impregnated into tissue and fiber of animal hide or skin using a high pressure fluid as a medium.