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 |
| 7196218 | Microbial process for the preparation of acetic acid, as well as solvent for its extraction from the fermentation broth A modified water-immiscible solvent useful in the extraction of acetic acid from aqueous streams is a substantially pure mixture of isomers of highly branched di-alkyl amines. Solvent mixtures formed of such a modified solvent with a desired co-solvent, preferably a... | 03/27/2007 |
| RE39175 | Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth A modified water-immiscible solvent useful in the extraction of acetic acid from aqueous streams is a substantially pure mixture of isomers of highly branched di-alkyl amines. This solvent is substantially devoid of mono-alkyl amines and alcohols. Solvent mixtures f... | 07/11/2006 |
| 6753170 | Microbial process for the preparation of acetic acid, as well as solvent for its extraction from the fermentation broth A modified water-immiscible solvent useful in the extraction of acetic acid from aqueous streams is a substantially pure mixture of isomers of highly branched di-alkyl amines. Solvent mixtures formed of such a modified solvent with a desired co-solvent, preferably a... | 06/22/2004 |
| 6368819 | Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth A modified water-immiscible solvent useful in the extraction of acetic acid from aqueous streams is a substantially pure mixture of isomers of highly branched di-alkyl amines. This solvent is substantially devoid of mono-alkyl amines and alcohols. Solvent... | 04/09/2002 |
| 6340581 | Biological production of products from waste gases A method and apparatus are designed for converting waste gases from industrial processes such as oil refining, and carbon black, coke, ammonia, and methanol production, into useful products. The method includes introducing the waste gases into a bioreacto... | 01/22/2002 |
| 6136577 | Biological production of ethanol from waste gases with Clostridium ljungdahlii A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products is disclosed. The method includes introducing the waste gases into a bioreactor wh... | 10/24/2000 |
| 5821111 | Bioconversion of waste biomass to useful products A process is provided for converting waste biomass to useful products by gasifying the biomass to produce synthesis gas and converting the synthesis gas substrate to one or more useful products. The present invention is directed to the conversion of bioma... | 10/13/1998 |
| 5807722 | Biological production of acetic acid from waste gases with Clostridium ljungdahlii A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products. The method includes introducing the waste gases into a bioreactor where they are ... | 09/15/1998 |
