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:
Jun. 14, 1977
Filed:
Mar. 29, 1976
Robert Ernest Brouillard, Cedar Rapids, IA (US);
Penick & Ford, Limited, Cedar Rapids, IA (US);
Abstract
A column apparatus and process is provided for immobilized enzyme reactions using a bed of regenerated sponge material chemically modified to incorporate enzyme-immobilizing groups. The sponge material selected for use in column apparatus has a flow of direction length of 2 to 5 feet or more, a density of less than 1 gram for each 18 cc. of bed volume (e.g. 1 g./20-70 cc. bed vol.), and a water flow porosity such that over 0.5 (preferably over 1.0) gal. water/min./ft..sup.2 flows through the bed. The apparatus and process can be used with a wide variety of enzymes, but has particular applicability to the enzymatic conversion of starch hydrolysates. Starch-derived sugar syrups having D.E.'s of 40 to 97 can be produced. Also, isomerization of glucose syrups can be carried out to produce a syrup of enhanced sweetness, comprising a mixture of glucose and fructose.