Patent Watch - 2011 Archive
- December 19
Six reviews in 2011 covered patents on processes for propylene production or the manufacture of propylene derivatives.
- December 12
Obtain xylenes efficiently by disproportionating toluene.
- December 5
Now you can convert alkanes directly to carboxylic acids.
- November 28
Convert byproduct glycerol to propylene glycol.
- November 21
Convert unwanted p-ethyltoluene to desirable hydrocarbons.
- November 14
Here’s a way to make intermediate olefins “on purpose”.
- November 7
Here are three routes to an experimental cancer drug.
- October 31
Back to the future: Oxidize C4 hydrocarbons to butadiene.
- October 24
Make a better cephalosporin antibiotic.
- October 17
Make a green fluorescent protein precursor in improved yield.
- October 10
Look, Ma—I can make isocyanates without phosgene.
- October 3
Oligomerize FCC ethylene to useful hydrocarbon fractions.
- September 26
Can oxygenated organics be made from sugars?
- September 19
Ethanol can be a source of motor fuel hydrocarbons.
- September 12
Enhance the synthesis of a key Alzheimer’s drug precursor.
- September 5
Will acetaldehyde make a comeback?
- August 29
Here is a large-scale synthesis of some “male drugs”.
- August 22
Improve a Knoevenagel condensation reaction.
- August 15
Here’s an unusual “green” method for producing acetone.
- August 8
This “green” route to nylon begins with sugar.
- August 1
Part of your Coke bottle may come from cellulose.
- July 25
A little hydrogen boosts selectivity to propylene oxide.
- July 18
Take a biomass syngas route to ethanol.
- July 11
This AIDS drug intermediate can be made in high purity.
- July 4
Make 1-octene from a natural fatty acid with a bacterial enzyme.
- June 27
Make pyrrolopyrimidines with three reactions in one pot.
- June 20
Make pheromones and fragrances from alkenyl isobutyrates.
- June 13
Here’s a biobased route to propylene glycol.
- May 30
These cracking catalysts give ethylene and propylene equally.
- May 23
This catalyst promotes the air oxidation of olefins to ketones.
- May 9
Make a blood pressure drug more efficiently.
- May 2
Here’s a better way to make an antipsychotic.
- April 25
Make chiral intermediates for neurotransmitter uptake inhibitors.
- April 18
Here’s a green route to poly(butylene terephthalate).
- April 4
Make cyclobenzylbenzene from benzene with this new catalyst.
- March 28
Produce “green” epichlorohydrin from biodiesel glycerol.
- March 21
This catalyst converts midrange olefins to longer ones.
- March 14
These pyran derivatives taste and smell good.
- March 7
Produce ethylene and propylene with a durable zeolite catalyst.
- February 28
Make a psychotropic drug by a new route.
- February 21
Here is a new route to an important anti-emetic drug.
- February 14
Here is a catalyst for converting acetic acid to ethanol in high yield.
- February 7
Make propylene from inexpensive ethane.
- January 31
Produce ethylene from oil-based and biobased feedstocks.
- January 24
Catalytically crack naphtha with little coke formation.
- January 17
Make a key fragrance compound economically.
- January 10
Prepare desired forms of atazanavir hydrogen sulfate.
- January 3
A sulfide catalyst improves conversion of synthesis gas to oxygenates.