Process for purification of alkyl methacrylates
Alkyl methacrylates are obtained free of impurities such as alkyl butyrates and assorted alkyl iodides by the partial crystallization of the crude alkyl methacrylate composition and subsequently contacting said crystals of alkyl methacrylate with liquid alkyl methacrylate to thereby free the crystals of occluded impurities.
Description
Patent History
Patent number: T955005
Type: Grant
Filed: Jul 9, 1971
Date of Patent: Feb 1, 1977
Inventors: Athey C. Stutler (Longview, TX), Max Statman (Longview, TX), Alden E. Blood (Longview, TX)
Application Number: 5/161,356
Type: Grant
Filed: Jul 9, 1971
Date of Patent: Feb 1, 1977
Inventors: Athey C. Stutler (Longview, TX), Max Statman (Longview, TX), Alden E. Blood (Longview, TX)
Application Number: 5/161,356
Classifications
Current U.S. Class:
260/486R
International Classification: C07c 6954;
International Classification: C07c 6954;
