(e.g., glycerin), and other materials to assist in the dispensing of the sunscreens and provide aesthetically pleasing skin feel and uniform spreading of the sunscreen when applied. Propellants employed in the pressurized aerosol sprays include butane, isobutane, propane, and hydrofluorocarbon 152a...
Heterogeneously catalyzed partial direct oxidation of propane and/or isobutane to (meth)acrylic acid involves feeding reaction mixture to reaction stage; partially oxidizing the mixture; and conducting product gas mixture into a workgrou... Erfinder wird spter genannt werden 被引量: 3发表: 2004年 ...