Patents Assigned to Fragrant Liquefied Butane Gas Producing Company
  • Patent number: 4844713
    Abstract: A fragrant liquefied petroleum gas composition is disclosed which contains a uniform dispersion of an essence capable of producing fragrant odor. The composition of the invention is comprised essentially of butane with the weight ratio of essence to the liquefied petroleum gas in the range of 0.05-10:100. The fragrant liquefied petroleum gas composition is particularly useful as fuel for lighters. There is also disclosed a process for preparing the composition of the invention which comprises (a) admixing an essence in an acyclic monohydric alcohol to obtain a uniform solution; (b) introducing a liquefied petroluem gas by a high pressure inert gas into the essence/alcohol solution to obtain a homogeneous mixing and (c) removing the alcohol to obtain a liquefied petroleum gas composition containing the essence homogeneously dispersed therein.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: July 4, 1989
    Assignee: Fragrant Liquefied Butane Gas Producing Company
    Inventor: Zhimiao Yu