Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7435318 | Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures The invention relates to a process for separating close-boiling, homo- and heteroazeotropic mixtures by using ionic liquids. Due to the selectivity and unusual combination of properties of the ionic liquids the process is superior to conventional extractive rectific... | 10/14/2008 |
| 7388106 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane A process for preparing acrolein or acrylic acid or a mixture thereof from propane, in which propane is dehydrogenated under heterogeneous catalysis in a reaction zone A and the propylene formed is partially oxidized heterogeneously in a reaction zone, reaction zone... | 06/17/2008 |
| 7364711 | Method for removing NO during the production of nitric acid N2O is removed in nitric acid manufacture by using catalysts comprising three-dimensional structures coated with catalytically active materials. ... | 04/29/2008 |
| 7235319 | Method and device for deionizing cooling media for fuel cells The present invention relates to a process for the deionization of a cooling medium in a fuel cell (11) circulating in a cooling circuit (20), in which the cooling medium is subjected to at least intermittent, but preferably continuous, electrochemical... | 06/26/2007 |
| 4972023 | Polymers modified with terminal acid groups and the preparation and use of these polymers Homopolymers, copolymers or block copolymers obtained from vinylaromatics and/or conjugated dienes and functionally modified at chain ends via amide groups with terminal acid groups or salts thereof, and hydrogenation products of these polymers, which con... | 11/20/1990 |
| 3931300 | Process for the production of dichlorobenzoic acids The production of dichlorobenzoic acids by reaction of the diazonium compound of a dichloroaminobenzoic acid with an aqueous alcohol solution of specific concentration. The compounds which can be prepared according to the process of the invention are valu... | 01/06/1976 |
| 3931182 | Lactones of the diazaxanthene series, their production and their use as dye-forming components for copying methods Lactones of the diazaxanthene series, their manufacture from a benzoylbenzoic acid and a pyrimidine, and their use as dye-forming components in the red range for pressure-sensitive recording material.... | 01/06/1976 |
