...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7520959 | Method for manufacturing light barrier packaging material, light barrier packaging material, semi paper packaging material and light barrier paper packaging container A method of manufacturing a light barrier paper packaging material and the light barrier paper package container with low cost, no need of an ink removing apparatus at reproduction step and easily recycle are provided. A light barrier paper packaging material which ... | 04/21/2009 |
| 7348067 | Composite paperboards and method of making composite paperboards A laminate composite sheet comprising a two-ply base layer comprised of a bottom ply and a top ply, wherein the bottom ply is comprised of unbleached cellulosic fibers and wherein the top ply is comprised of bleached or brightened cellulosic fibers and a further lay... | 03/25/2008 |
| 6702922 | Papers for use in decorative laminates and methods of making the same A process for forming an abrasion resistant, decorative sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a coating suspension including an abrasion-resistant grit and decorative inclusion particles to the uppe... | 03/09/2004 |
| 6423183 | Paper products and a method for applying a dye to cellulosic fibers Chemical additives can be adsorbed on cellulosic papermaking fibers at high levels with a minimal amount of unadsorbed chemical additives present in the papermaking process water. A method includes treating a fiber slurry with an excess of the chemical ad... | 07/23/2002 |
| 6299728 | Multi-ply paper A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional "white" fiber material top layer, the top layer is in the form of a white or colored top coating.... | 10/09/2001 |
| 6270625 | Method for manufacturing colored stripped paper A method for manufacturing paper having colored stripes, the method comprising the steps of feeding a slurry to a distributor and delivering the slurry from the distributor to a headbox through a plurality of delivery lines. The delivery lines are coupled... | 08/07/2001 |
| 6221211 | Multi-ply tissues having internal indicia A multi-ply tissue contains an internal indicia, such as a printed pattern applied to the center ply, which is visible through the outer plies of the tissue and which indicates the presence of some unique ingredients within the tissue product.... | 04/24/2001 |
| 6203663 | Decorative formation of tissue Paper sheets, such as tissue sheets useful for facial tissue, bath tissue and the like, are formed with a decorative pattern imparted to the tissue sheet by the forming fabric. The decorative pattern is incorporated into the forming fabric by a variety of... | 03/20/2001 |
| 6187059 | Shading of paper A method and a color mixture for shading paper, and a shaded paper that comprises or consists of one or more layers made of the same or different pulps, which paper is intended to be used in connection with foodstuffs. The pulp or paper layer is treated w... | 02/13/2001 |
| 6033444 | Shading of paper A method and a color mixture for shading paper, and a shaded paper that comprises or consists of one or more layers made of the same or different pulps, which paper is intended to be used in connection with foodstuffs. The pulp or paper layer is treated w... | 03/07/2000 |
| 5989389 | Method of producing visible, continuous streaks and/or delimited fields in paper The invention relates to a method of producing visible, preferably transparent or translucent, continuous streaks and/or delimited fields in paper in conjunction with forming a paper web in a paper machine. The method is characterized by essentially preve... | 11/23/1999 |
| 5916416 | Method and apparatus for manufacturing papers with watermarks or patterns and paper thus manufactured A method for producing watermarks or patterns in paper and cardboard which can be performed during a process for manufacturing the paper or cardboard comprises the following steps: preparing a primary fibrous mix of cotton cellulose based on alpha-cellulo... | 06/29/1999 |
| 5731034 | Method of coating paper A method of coating paper with a paper coating composition having a solids concentration of at least 45% by weight, consisting essentially of an aqueous cationic dispersion of a particulate calcium carbonate pigment and a nonionic or cationic adhesive, wh... | 03/24/1998 |
| 5573827 | Fine dot-like tone decorative laminates containing pigmented fibers Disclosed is a decorative laminates having a decorative paper and having a fine dot-like tone appearance. The decorative paper contains pigment(s) having a mean particle size of from 20 to 100 μm and/or powdery colored fibers having a mean fiber length o... | 11/12/1996 |
| 4959343 | Carbonless transfer sheets for multi-part forms packs Pressure sensitive carbonless transfer sheets are made capable of producing clear images by light impact marking means in multi-part carbonless forms packs containing at least six of the sheets, such as 8-12 sheets, by coating a chromogenic material onto ... | 09/25/1990 |
| 4912080 | Carbonless transfer sheets for multi-part forms packs Pressure sensitive carbonless transfer sheets are made capable of producing clear images by light impact marking means in multi-part carbonless forms packs containing at least six of the sheets, such as 8-12 sheets, by coating a chromogenic material onto ... | 03/27/1990 |
| 4629630 | Check paper that is protected against forgery and tampering A check paper is being described which is protected against falsifications and forgeries. Crushable micro capsules are being embedded in check paper which contain on one hand a leuco ink and on the other hand a color acceptor. The color acceptor can also ... | 12/16/1986 |
| 4496961 | Check paper that is protected against forgery and tampering A check paper is being described which is protected against falsifications and forgeries. Crushable micro capsules are being embedded in check paper which contain on one hand a leuco ink and on the other hand a color acceptor. The color acceptor can also ... | 01/29/1985 |
| 3953642 | Pressure sensitive recording sheet A pressure sensitive recording sheet adapted for imaging under the pressure of a typewriter key or other writing instrument. The sheet comprises a ply of high surface area polyolefin fibers masking a colored medium therein. The ply of polyolefin fibers wh... | 04/27/1976 |