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1.Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride 失效
Title translation: 通过与过氧化物和碱金属硼氢化物联合处理漂白木浆的方法公开(公告)号:US3100732A
公开(公告)日:1963-08-13
申请号:US84418259
申请日:1959-10-05
Applicant: DU PONT
Inventor: SMEDBERG GEORGE E
IPC: D21C9/10
CPC classification number: D21C9/1084
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2.Process for preparing a tufted carpet using a hot melt backsizing composition 失效
Title translation: 使用热熔胶背胶组合物制备地毯的方法公开(公告)号:US3551231A
公开(公告)日:1970-12-29
申请号:US3551231D
申请日:1968-05-01
Applicant: DU PONT
Inventor: SMEDBERG GEORGE E
CPC classification number: D06N7/0078 , D06N2201/02 , D06N2201/0245 , D06N2201/0254 , D06N2201/0263 , D06N2201/06 , D06N2205/06
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3.Apparatus for feeding granular salt into a fused salt electrolysis cell 失效
Title translation: 用于将颗粒盐进料到熔盐电解池中的装置
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