会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Use of N-vinyllactam-or-N-vinylamine-containing copolymers as matrix for producing solid pharmaceutical and cosmetic presentations
    • 使用N-乙烯基内酰胺或N-乙烯胺的共聚物作为制备固体药物和化妆品的基质
    • US06436440B1
    • 2002-08-20
    • US09283195
    • 1999-04-01
    • Helmut MeffertFolker Ruchatz
    • Helmut MeffertFolker Ruchatz
    • A61K914
    • A61Q19/00A61K8/817A61K9/2027C08F226/06
    • The use of copolymers comprising a) 50 to 99% by weight of at least one N-vinyllactam or N-vinylamine selected from the group consisting of N-vinylpyrrolidone, N-vinylpiperidone, N-vinylcaprolactam, N-vinylimidazole and methylated N-vinylimidazole or N-vinylformamide and b) 1 to 50% by weight of at least one monomer selected from the group of b1) C14-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids; b2) N—C8-C30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids; b3) N,N—C8-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids; b4) vinyl esters of aliphatic C8-C30-carboxylic acids; b5) C8-C30-alkyl vinyl ethers as matrix for producing solid pharmaceutical and cosmetic presentations.
    • 包含a)50至99重量%的至少一种N-乙烯基内酰胺或N-乙烯胺的共聚物,其选自N-乙烯基吡咯烷酮,N-乙烯基哌啶酮,N-乙烯基己内酰胺,N-乙烯基咪唑和甲基化N-乙烯基咪唑,或 的1-乙烯基甲酰胺和b)1至50重量%的至少一种选自b1)单烯属不饱和C 3 -C 8 - 羧酸的C 14 -C 30烷基酯的单体; b2)N-C 8 -C 30烷基取代的酰胺 的单烯属不饱和C3-C8-羧酸; b3)单烯键式不饱和C3-C8-羧酸的N,N-C8-C30-二烷基取代的酰胺; b4)脂族C 8 -C 30 - 羧酸的乙烯基酯; b5)C8 用于制备固体药物和化妆品的-C30-烷基乙烯基醚基质。