CAS: 13393-93-6; Hydroabietyl Alcohol

上下游产品

Abietan-18-oic acid 7β,15-Dihydroxy-13α-isopropyl-pod°Carpen-(8,14) H-abietanoic acid-(18)-methyl ester8β.13βH-abietanoic acid-(18)-methyl ester 7β,15-Diacetoxy-13α-isopropyl-pod°Carpen-(8,14) Abietan ((-)-Abietan)

专利信息

专利号:US-4390342-A
优先权日:1980-04-01
标 题:Process for the preparation of solid composition of water-soluble dyes
发明人：BRUTTEL BEAT; PFENNINGER HEINZ
权利人:CIBA GEIGY CORP
摘要:A process for producing solid dye compositions, which process comprises passing an aqueous solution or suspension of at least one water-soluble crude dye, to effect separation of synthesis by-products having a molecular weight of below 500 and partial separation of water, through a semipermeable membrane, subsequently drying the resulting aqueous preparation which has become more highly concentrated, and optionally adding further additives before and/or after passage of the aqueous solution or suspension through the semipermeable membrane, these additives being added beforehand only when they do not become separated by the membrane. There are obtained by this process low-dust to dust-free compositions which are distinguished by high mechanical strength, high bulk density, free-flowing characteristics and good dissolving behavior. Employing these compositions it is possible to prepare low-foam to foam-free aqueous dye liquors having very good solution stability, even in the presence of electrolytes.

专利号:US-5124472-A
优先权日:1990-06-07
标题 :Hydrolytically stable phosphites
发明人：ENLOW WILLIAM P
权利人:GEN ELECTRIC
摘要:Hydrolytically stable phosphite compositions for melt flow and color stabilization of thermoplastics may be prepared from crude tetrahydroabietyl alcohol. The phosphites may be reacting said alcohol with an organophosphite, such as by transesterification. Other synthesis techniques may also be used.

专利号:US-5141975-A
优先权日:1991-06-07
标题:Thermoplastic compositions containing hydrolytically stable phosphites
发明人：ENLOW WILLIAM P
权利人:GEN ELECTRIC
摘要:Hydrolytically stable phosphite compositions for melt flow and color stabilization of thermoplastics may be prepared from crude tetrahydroabietyl alcohol. The phosphites may be reacting said alcohol with an organophosphite, such as by transesterification. Other synthesis techniques may also be used.