...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7001635 | Process for improving smoky color of an encased food product The present invention relates to a method for enhancing the smoky color and flavor of foodstuffs, such as sausages, produced in casing containing liquid smoke, by exposing the encased foodstuff to a alkaline solution. Peeling of the sausages is also enhanced. ... | 02/21/2006 |
| 6630214 | Improving rewet shrink properties of casing Disclosed is a method of forming a seamless, non derivatized cellulose tubular film having enhanced rewet shrinkage properties. The enhanced properties are provided by first drying a hydrated extruded tube of non derivatized cellulose gel at one inflated ... | 10/07/2003 |
| 6565796 | Method and apparatus for use in manufacture of cellulose casing Disclosed is a method of sizing nonderivatized extruded cellulosic tubes by the use of a mandrel structure that includes a hollow sizing portion having openings which gather gas bubbles that may evolve at the interface between the extruded tube and the si... | 05/20/2003 |
| 6547999 | Cellulose food casing, cellulose composition and production method therefor The present invention provides a method of preparing a cellulose solution suitable for extrusion as a seamless tubular film by providing a pulp of substantially open-ended fibrillated softwood fibers having a mean fiber length less than 2.0 mm and then di... | 04/15/2003 |
| 6444161 | Mandrel structure for use in manufacture of cellulose food casing Disclosed is a mandrel structure for extruding a tube composed of a non derivatized cellulose. The mandrel includes a hollow sizing portion having openings which gather gas bubbles that may evolve at the interface between the extruded tube and the sizing ... | 09/03/2002 |
| 6319457 | Method for extruding tubular film A method and apparatus is disclosed for lacing an extruded tube of a non derivatized cellulose through an S-wrap to collapse the tube to a flat width. The lacing to form the S-wrap is accomplished without slowing the extrusion speed. At the start of the e... | 11/20/2001 |