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Process and apparatus for producing organic polysulfides
   
Document Number
US Patent 6518459
Issued Date
February 11, 2003
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Abstract
A filtering means containing gelatinous and solid materials is cleaned without dismantling the filtering means by contacting the gelatinous material inside the filtering means with a solvent, thereby physically degrading the gelatinous material such that the degraded gelatinous material can pass through the filtering means.
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Number of Claims:
9
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Owner
Phillips Petroleum Company (Bartlesville, OK)
Published
February 11, 2003
Application Number
09/915,924
Filed
July 26, 2001
US Classification
568/21   210/635 210/733 568/26
Int'l Classification
C07C   319/24   (20060101)   C07C   321/00   (20060101)   C07C   321/14   (20060101)   C07C   319/00   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
This application is a division of application Ser. No. 09/587,918, filed Jun. 6, 2000, now, U.S. Pat. No. 6,284,926. The present invention relates to an improved process and apparatus for producing organic polysulfides. More particularly, the present invention relates to an improved process and apparatus for removing undesirable byproducts from a crude organic polysulfide product.
USPTO Field of Search
568/21   568/26   210/635   210/733  
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