Basf Se Corporation

Basf Aktiengesellschaft

Lothar Seidemann

Martin Sesing

Martin Karches

Olga Schubert

Thomas Grassler

Holger Kai Peter Jelich

Eckhard Stroefer

Christian Schneider

Martin Sohn

Dieter Stuetzer

Ekkehard Schwab

Klaus Harth

Christian Walsdorff

Hartwig Voss

Markus Hartmann

Frank-Peter Lang

Armin Diefenbacher

Bernd Rumpf

Andreas Kern

Frank Jaekel

Martin Fiene

Lucia Koenigsmann

Heinz Herbst

Christoph Erk

Shyam Sundar Sathyanarayana

Oliver Odenwald

Holger Ruckdaeschel

Dieter Stützer

Kati Bachmann

Celine Liekens

Knud Jacobsen

Yean Yik Geoerg

Thomas Georg Gfroerer

Marie Christin Jahn

Andreas Michael Kern

Sven Bensmann

A computer implemented method for proof-of-work for generating and validating a block of a blockchain using at least one printing device is proposed. The printing device is configured for generating at least one digital image depending on a printer control setting. The method comprises the following steps: i) () providing an initial digital image () comprising a plurality of colored pixels, wherein the initial digital image () is taken from an image database and/or is generated by printing and scanning the initial digital image by using an initial printer control setting; ii) () providing a task digital image () comprising a plurality of colored pixels different from the initial digital image (); iii) () selecting a mining printer control setting (), printing the initial digital image () by using the printing device by blending pigments with the selected mining printer control setting () and scanning the printed image by using at least one scanning device, thereby generating a mining digital image () having a plurality of colored pixels different from the initial digital image (); iv) () comparing the colored pixels of the mining digital image () and the task digital image () by using at least one processing device; wherein the method comprises repeating steps ii) () to iv) () until the colored pixels of the mining digital image () and the task digital image () are found to be identical, wherein in each case in step iii) () a different mining printer control setting () is selected, wherein the mining printer control setting () for which the mining digital image () and the task digital image () are found to be identical is used as the proof-of-work for generating and validating the block of the blockchain.

Ecological mining using at least one printing device for proof-of-work

Computer implemented method for generating a hash value () is disclosed, the method comprises the following steps: i) Providing a first digital RGB image () having first RGB colors of a physical object (); ii) Combining first transaction data () and the first digital RGB image (), thereby generating a second RGB image () having second RGB colors; iii) Converting () color values of the second RGB image () from RGB color space () to a secondary color space () having at least four primary colors and determining () a number of respectively colored pixels for each primary color of the secondary color space (); iv) Generating () the hash value () by converting the determined number of respectively colored pixels for each primary color of the secondary color space () to hexadecimal numerals.

Method for building a blockchain

A computer implemented method for generating at least one security label () using at least one printing device () is proposed. The method comprises the following steps: i) () generating a first digital image () comprising a plurality of colored pixels by printing a printer job with a printer control setting and scanning the printout using the printing device () thereby generating a digital fingerprint: ii) () providing a binary code () of identifier information: iii) () mapping the identifier information with the digital fingerprint by determining a binary code of the digital fingerprint and adding the binary code () of the identifier information to the color code of the first digital image (); iv) () generating a second digital image () having a plurality of colored pixels different from the first digital image () by transferring the added binary codes into a color code of the second digital image (): v) () printing the second digital image () on a substrate () thereby generating the security label ().

Signatures and labels in a blockchain derived from digital images

Process for making an electrode active material for a lithium ion battery, said process comprising the following steps: (a) Contacting a mixture of (A) a precursor of a mixed oxide according to general formula LiTMO, wherein TM is a combination of two or more transition metals selected from Mn, Co and Ni, optionally in combination with at least one more metal selected from Ba, Al, Ti, Zr, W, Fe, Cr, K, Mo, Nb, Mg, Na and V, and x is in the range of from zero to 0.2, and (B) at least one lithium compound, with (C) Br, I, or at least one compound selected from carbon perhalides selected from the bromides and iodides, and interhalogen compounds comprising bromine or iodine, and (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000&#xb0; C.

Process for making an electrode active material

Process for preparing chlorine by oxidation of hydrogen chloride by means of oxygen in the presence of a particulate catalyst in a fluidized-bed reactor, where the heat of reaction of the exothermic oxidation of hydrogen chloride is removed by means of water which circulates in the tubes of a shell-and-tube heat exchanger, where (i) the fluidized-bed reactor is heated up to an operating temperature in the range from 350 to 420&#xb0; C. in a heating-up phase and (ii) hydrogen chloride is reacted with oxygen in an operating phase at the operating temperature, wherein

Process for preparing chlorine from HCI

An oxidation process employing a mechanically stable catalyst of an active metal or combination of active metals supported on aluminum oxide, which is predominantly alpha-aluminum oxide, is provided. The active metal or metals is optionally one or a mixture of ruthenium, copper, gold, an alkaline earth metal, an alkali metal, palladium, platinum, osmium, iridium, silver, and rhenium. The process is applicable to the oxidation of hydrogen chloride to chlorine in a Deacon process.

Mechanically stable catalyst based on alpha-alumina

A catalytic process for preparing chlorine from hydrogen chloride, which includes recycle of process streams with reduced accumulation of inert gases in the system is provided. The process includes a step wherein a compressed liquid stream comprising chlorine, carbon dioxide and oxygen is recycled into a column countercurrent to the ascending gas phase and feeding part of the chlorine-rich liquid phase leaving the bottom of the column back into the top of the column. Carbon dioxide present in the ascending gas stream is dissolved out of the gas stream and can later be separated from chlorine without problems by distillation.

Method for producing chlorine

A process for preparing aromatic amines by catalytic hydrogenation of the corresponding nitro compound in a fluidized-bed reactor, in which a gaseous reaction mixture comprising the nitro compound and hydrogen flows from the bottom upward through a heterogeneous particulate catalyst forming a fluidized bed, wherein the fluidized bed is provided with internals which divide the fluidized bed into a plurality of cells arranged horizontally in the fluidized-bed reactor and a plurality of cells arranged vertically in the fluidized-bed reactor, with the cells having cell walls which are permeable to gas and have openings which ensure an exchange number of the heterogeneous, particulate catalyst in the vertical direction in the range from 1 to 100 liters/hour per liter of reactor volume, is proposed.

Process for preparing aromatic amines in a fluidized-bed reactor

A fluidized-bed reactor for carrying out a gas-phase reaction, in which a gaseous reaction mixture flows from the bottom upward through a heterogeneous particulate catalyst forming a fluidized bed and internals are arranged in the fluidized bed, wherein the internals divide the fluidized bed into a plurality of cells arranged horizontally in the fluidized-bed reactor and a plurality of cells arranged vertically in the fluidized-bed reactor, with the cells having cell walls which are permeable to gas and have openings which ensure an exchange number of the heterogeneous particulate catalyst in the vertical direction in the range from 1 to 100 liters/hour per liter of reactor volume, is proposed.

Fluidized-bed reactor for carrying out a gas-phase reaction

A catalyst for gas-phase reactions which has high mechanical stability and comprises one or more active metals on a support comprising aluminum oxide as support material, wherein the aluminum oxide in the support consists essentially of alpha-aluminum oxide. Ruthenium, copper and/or gold are preferred as active metal. Particularly preferred catalysts according to invention comprise The catalysts are preferably used in the oxidation of hydrogen chloride (Deacon reaction).

The invention relates to a reactor and a process for preparing chlorine from hydrogen chloride by gas-phase oxidation by means of oxygen in the presence of a heterogeneous catalyst in a fluidized bed, with gas-permeable plates being located in the fluidized bed. The gas-permeable plates are connected in a thermally conductive manner to a heat exchanger located in the fluidized bed.

Reactor and method for producing chlorine from HCl

Growing community of inventors

Mannheim, Germany

Lothar Seidemann