The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 1976
Filed:
Mar. 25, 1975
Jon Carl Thunberg, Amherst, NH (US);
Robert Wright Bragdon, Marblehead, MA (US);
William Philip Moore, Hudson, NH (US);
W. R. Grace & Co., New York, NY (US);
Abstract
.beta.-ALANINE IS RECOVERED FROM A STARTING SOLUTION OF SODIUM CHLORIDE AND .beta.-ALANINE BY: (A) EVAPORATING WATER FROM THE SOLUTION TO PRECIPITATE SODIUM CHLORIDE AND FORM A FIRST MOTHER LIQUOR; (B) SEPARATING THE FIRST MOTHER LIQUOR AND THE PRECIPITATED SODIUM CHLORIDE WHILE THE FIRST MOTHER LIQUOR IS HOT; (C) COOLING THE SEPARATED FIRST MOTHER LIQUOR TO PRECIPITATE .beta.-ALANINE AND FORM A SECOND MOTHER LIQUOR; (D) SEPARATING THE PRECIPITATED .beta.-ALANINE AND THE SECOND MOTHER LIQUOR; AND (E) RECOVERING THE SEPARATED .beta.-ALANINE. If desired, the separated second mother liquor can be admixed with a second lot of the starting solution and processed therewith.