METHOD AND SYSTEM FOR PURIFICATION OF NATURAL GAS USING MEMBRANES
申请人:Air Liquide Advanced Technologies U.S. LLC
公开号:US20170157555A1
公开(公告)日:2017-06-08
Natural gas may be purified by removing C
3+
hydrocarbons and CO
2
in respective first and second gas separation membrane stages to yield conditioned gas lower in C
3+
hydrocarbons and CO
2
in comparison to the un-conditioned natural gas.
US7393383B2
申请人:——
公开号:US7393383B2
公开(公告)日:2008-07-01
[EN] POLYESTER RESIN, AND OPTICAL MATERIALS, FILMS AND IMAGE DISPLAY DEVICES USING THE SAME<br/>[FR] RÉSINE POLYESTER, ET MATÉRIAUX OPTIQUES, FILMS ET DISPOSITIFS D'AFFICHAGE D'IMAGES LES UTILISANT
申请人:FUJIFILM CORP
公开号:WO2011118845A1
公开(公告)日:2011-09-29
A polyester resin containing a structure represented by Formula (1) and a structure represented by Formula (2) : wherein R11 to R14 and R21 to R26 represent a hydrogen atom or a substituent; R15 to R18 represent a substituent; and at least one of R21 to R26 represents a substituent.
Ronlan,A. et al., Acta Chemica Scandinavica (1947), 1973, vol. 27, # 7, p. 2375 - 2382