Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Reexamination Certificate
2011-03-15
2011-03-15
Noakes, Suzanne M. (Department: 1656)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Scleroproteins, e.g., fibroin, elastin, silk, etc.
Reexamination Certificate
active
07906623
ABSTRACT:
Pig rind is one source of collagen for processing into products, such as sausage casings and films. However, it has a high fat content. The invention produces a defatted collagen paste from a collagen source by cutting the collagen into pieces, pressurising the collagen pieces to squeeze out fat and disintegrating the defatted pieces to form a fibrous paste. The paste can be used to produce a gel, which may be extruded to produce a collagen product.
REFERENCES:
patent: 4285986 (1981-08-01), Cioca et al.
patent: 6092301 (2000-07-01), Komanowsky
patent: 1361540 (1974-07-01), None
patent: WO 03/017770 (2003-03-01), None
patent: WO 2004/073407 (2004-09-01), None
Machine translation of ES 2 238 926 (Sep. 1, 2005—cited on IDS).
International Search Report corresponding to International Application No. PCT/GB2008/004932 mailed Nov. 26, 2007.
Norwood Derek Samuel David
Paul Robert Gordon
Devro plc
Myers Bigel & Sibley Sajovec, PA
Noakes Suzanne M.
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