Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 5837009 | Method for the production of quality cotton yarns involving a low-cost process, free of environmental pollution A method for cotton purification is described, where the cotton is subject to a purification process in water. The process solution contains calcium hydroxide and a non-ionic detergent wetting agent. Following this processing the cotton is rendered hydrop... | 11/17/1998 |
| 5369861 | Process for recycling denim waste Denim fabric suitable for use as apparel is made from 40-100% fibers produced from denim waste (pre-consumer and/or post-consumer). The denim waste is collected, starch and size are removed, and it is subjected to garnetting to produce denim fibers, the v... | 12/06/1994 |
| 4086279 | Nonionic surfactants Nonionic surfactant compositions are made by reacting a 3 to 30-unit polyglycerol as hydrophile with a hydrophobic glycidyl ether in sufficient quantity to substitute 4 to 25% of the hydroxy groups of the polyglycerol. By using glycidyl ethers (which can ... | 04/25/1978 |
