...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 |
| 5266316 | Isolate of Trichoderma harzianum I-952 fungicidal compositions containing said isolate and use against B. cinerea and S. sclerotiorum The present invention relates to a novel biologically pure culture of Triderma Harzianum, I-952, to biological control compositions containing same and to methods of protecting flowering plants and fruits from the disease gray mold, caused by B. Cinerea ... | 11/30/1993 |