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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6488725 | Fuel additives The present invention relates to the use of fuel additives in the regeneration of particulate filter traps, e.g. diesel particulate filter traps. The invention further relates to fuel additives suitable for use in such a process.... | 12/03/2002 |
| 6278020 | Alkylation of amino acids This invention provides improvements in certain processes for alkylating amino acids whereby yields based on amino acid are improved. More specifically, the invention provides a process for the preparation of amino acid derivatives in free acid or salt fo... | 08/21/2001 |
| 6245941 | Reductive alkylation process for the preparation of compounds containing at least two amino groups An alkylation process is described. The process comprises reacting at least a first nitrogen compound and a second nitrogen compound with a carbonyl compound in the presence of a reducing agent to form a product comprising at least two nitrogen groups; wh... | 06/12/2001 |
| 6156082 | Fuel additives Compounds of formula (I) ##STR1## where R1 is a C10 -C32 alkenyl group and R2 and R3 are --(--OCH2 CH2 --)n OH, --(--OCH2 CHCH3 --)n | 12/05/2000 |
| 6075164 | Alkylation of amino acids This invention provides improvements in certain processes for alkylating amino acids whereby yields based on amino acid are improved. More specifically, the invention provides a process for the preparation of amino acid derivatives in free acid or salt fo... | 06/13/2000 |
| 5912190 | Synergistic process for improving combustion A process of improving the combustion of fuel and/or improving the oxidation of carbonaceous products derived from the combustion or pyrolysis of fuel is described. The process comprises adding to the fuel before the combustion thereof a composition compr... | 06/15/1999 |
| 5858947 | Metal cleaning and de-icing compositions A metal cleaning composition comprising EDDS is described. Preferably, the compositions comprise optical isomers of EDDS, such as (s,s)EDDS. The compositions are particularly well suited for cleaning iron, zinc, aluminum, and copper. De-icer compositions ... | 01/12/1999 |
| 5849948 | Alkylation of amino acids This invention provides improvements in certain processes for alkylating amino acids whereby yields based on amino acid are improved. More specifically, the invention provides a process for the preparation of amino acid derivatives in free acid or salt fo... | 12/15/1998 |
| 5837321 | Volatile organic lanthanide compounds and methods for the preparation of lanthanide-containing layered materials form these compounds An adduct of a lanthanide (yttrium) ଲ-diketonate and a donor ligand (N-oxide), the adduct being suitable for use in a metal-containing material deposition process, wherein the ligand has Lewis base characteristics that match the Lewis acid character... | 11/17/1998 |
| 5834058 | Organometallic complexes of aluminium, gallium and indium Novel organometallic complexes of aluminium, gallium and indium are disclosed, having improved stability and volatility for use in CVD processes. These are donor ligand complexes of the formula MR2 L where M is the metal, R is an alkyl group an... | 11/10/1998 |
| 5738914 | Electroless metal plating solution An electroless metal plating solution comprising metal ions to be reduced for plating onto a substrate and a chelate for the metal to prevent or reduce metal hydroxide precipitates forming and to buffer the amount of metal ions available for reduction, wh... | 04/14/1998 |
| 5593464 | Fuel additives The emission of particulates and unburnt hydrocarbons in the exhaust gas emissions from liquid hydrocarbon fuels, especially diesel fuels and fuel oils is reduced by incorporating into the fuel an effective amount of an oil-soluble alkali, alkaline earth ... | 01/14/1997 |
| 5518511 | Multi-functional gasoline detergent compositions A multi-functional gasolene detergent composition providing good balance of properties leading to reduced engine deposits, little or no valve stick, and without effect on Octane Requirement Increase. The composition contains an polyisobutenyl succinimide ... | 05/21/1996 |
| 5393820 | Flame retardant compounds and compositions containing them Flame retardant polyesters are disclosed comprising esters of tribromoneopentyl alcohol with orthophthalic acid and its halogenated derivatives, particularly tetrabromo-orthophthalic acid an hydride.... | 02/28/1995 |
| 5206394 | Lewis base complexes of alkali metal salts Disclosed is a process for the manufacture of alkali metal salt complexes of the formula (Mx X.nL)y, where M is an alkali metal, e.g. lithium, X is an anion, e.g. halide or thiocyanate, L is an organic electron-donating ligand (Lewis... | 04/27/1993 |
| 4320775 | Liquid metering unit responsive to the weight of the metered liquid A process and apparatus are disclosed for the accurate measurement and control of liquid flow at low flow rates. The invention is particularly applicable to the measurement and control of continuous liquid blending operations, e.g. gasoline blending, in w... | 03/23/1982 |
