Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7670477 | Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds A process and the use of a process for desulphurizing a hydrocarbon feed is described which comprises at least one of the following steps: A a step for selective hydrogenation of diolefins present in said initial hydrocarbon feed, ... | 03/02/2010 |
| 6824902 | Process and device for production of electricity in a fuel cell by oxidation of hydrocarbons followed by a filtration of particles The present invention relates to a process for the production of electricity in a fuel cell from hydrocarbons that includes passing a cooled effluent in a first circuit having at least one filter for depositing soot in the filter. The filter is regenerated when conc... | 11/30/2004 |
