PROCESS FOR PRODUCING FLUOROPOLYMERS USING 2-ALKOXYACETATE SURFACTANTS
申请人:Gujarat Fluorochemicals Limited
公开号:EP3902847A1
公开(公告)日:2021-11-03
US4144177A
申请人:——
公开号:US4144177A
公开(公告)日:1979-03-13
[EN] PROCESS FOR PRODUCING FLUOROPOLYMERS USING 2-ALKOXYACETATE SURFACTANTS<br/>[FR] PROCÉDÉ DE PRODUCTION DE FLUOROPOLYMÈRES À L'AIDE DE TENSIOACTIFS 2-ALCOXYACÉTATE
申请人:GUJARAT FLUOROCHEMICALS LTD
公开号:WO2020136679A1
公开(公告)日:2020-07-02
The present invention relates to a process for the polymerization of fluoromonomers in an aqueous medium, said process comprising the steps of: forming an aqueous emulsion comprising a 2-Alkoxy acetate surfactant and fluoromonomer in a reactor; and initiating polymerization of said fluoromonomer by adding an initiator into the reaction mixture. Preferably, the surfactant used in the instant process is either Sodium 2-[(2-hexyldecyl)oxy] acetate or Sodium-2-dodecyloxyacetate.
[EN] A PROCESS FOR THE PREPARATION OF CARBOXYMETHYLATED ALCOHOL<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ALCOOL CARBOXYMÉTHYLÉ
申请人:GUJARAT FLUOROCHEMICALS LTD
公开号:WO2020165915A1
公开(公告)日:2020-08-20
The present invention discloses a process for the preparation of carboxymethylated alcohol, comprising: reacting alcohol, chloroacetic acid and hydroxide in a polar protic solvent, wherein the reaction time is in the range of 10 to 30 min, wherein the reaction is carried out at a temperature of 25 to 60 °C, wherein the ratio between the reactants alcohol, chloroacetic acid and hydroxide is 1:1:1-2 and wherein the yield of the reaction is between 65 to 75%.
도네페질 미리스틸옥시메틸에테르 또는 이의 약제학적으로 허용가능한 염
申请人:CHONG KUN DANG PHARMACEUTICAL CORP. 주식회사 종근당(120130602125) Corp. No ▼ 110111-5260669BRN ▼110-86-08069
公开号:KR101980534B1
公开(公告)日:2019-05-21
본 발명은 신규한 도네페질 미리스틸옥시메틸에테르(Donepezil myristyloxymethyl ether) 또는 이의 약제학적으로 허용가능한 염, 및 이를 주성분으로 포함하는 서방형 약제학적 조성물에 관한 것이다. 본 발명의 도네페질 미리스틸옥시메틸에테르는 도네페질에 미리스틸옥시메틸에테르기를 도입함으로써, 체내 투여시 활성성분인 도네페질의 초기 방출을 감소시켜 약물 독성 등의 부작용에 대한 위험을 감소시키고, 체내에서 도네페질이 장기간 균일하게 방출되어 치매환자의 약물 치료 효과를 향상시킬 수 있다.