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:
Oct. 05, 2004
Filed:
Apr. 04, 2002
Øistein Bækken, Trondheim, NO;
Olav Smidsrød, Trondheim, NO;
Kurt Ingar Draget, Trondheim, NO;
Freddy Johnsen, Rånåsfoss, NO;
Norsk Hydro Asa, Oslo, NO;
Abstract
The present invention relates to gelled feed products, means for making said products and a method for manufacturing gelled feed products. The product comprises 80-98 weight % raw material of animal or marine origin pre-treated with KOH and/or NaOH, KHCO , K CO , NaHCO , Na CO , or (NH ) CO and 0.5-5 weight % alginate or pectin, a calcium source standard feed ingredients and calcium. The product may contain 0-10 weight % fish meal or carbohydrates. Said means are raw material of animal or marine origin pre-treated with alkali giving said raw material a pH of 8-12. The method comprises mixing raw materials of marine or animal origin, comprising offals, alginate or pectin, and a calcium source and standard feed ingredients, particulating said mixture into any useful geometrical shape, expose it to acid treatment in a bath. The raw material is pre-treated with alkali or to addition of alginate or pectin. The resulting mixture is formed into desired shape and treated in an acid bath to form the gelled product. Preferably the acid bath is having a pH of 0.5-5.5 and the retention time in the bath is 30 seconds-12 hours. The preferred acid is formic aid.