公开(公告)号：US20230237479A1

公开(公告)日：2023-07-27

申请号：US18012997

申请日：2021-06-29

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger Hai Peter JELICH

IPC: G06Q20/40 ,  H04N1/32 ,  H04N1/60 ,  H04N1/393 ,  H04L9/00 ,  G06Q40/04

CPC classification number: G06Q20/401 ,  H04N1/32283 ,  H04N1/32261 ,  H04N1/32309 ,  H04N1/6016 ,  H04N1/393 ,  H04L9/50 ,  G06Q40/04 ,  H04N2201/3233

Abstract: Computer implemented method for generating a hash value (110) is disclosed, the method comprises the following steps: i) Providing a first digital RGB image (112) having first RGB colors of a physical object (114); ii) Combining first transaction data (116) and the first digital RGB image (112), thereby generating a second RGB image (118) having second RGB colors; iii) Converting (128) color values of the second RGB image (118) from RGB color space (130) to a secondary color space (132) having at least four primary colors and determining (134) a number of respectively colored pixels for each primary color of the secondary color space (132); iv) Generating (136) the hash value (110) by converting the determined number of respectively colored pixels for each primary color of the secondary color space (132) to hexadecimal numerals.

公开(公告)号：US20250106050A1

公开(公告)日：2025-03-27

申请号：US18833946

申请日：2023-01-30

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger Kai Peter JELICH

IPC: H04L9/00

Abstract: A computer-implemented method for proof-of-work for generating and validating a block of a blockchain using at least one printing device is disclosed. 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) (110) determining a plurality of number strings by solving at least one cryptographic puzzle; ii) (118) selecting one of the number strings of the determined plurality of number strings as mining printer control setting; iii) (120) printing at least one initial digital image (116) comprising a plurality of colored pixels by using the printing device with the selected mining printer control setting (112) and scanning the printed image by using at least one scanning device, thereby generating a mining digital image (122) having a plurality of colored pixels different from the initial digital image (116); iv) (124) comparing the colored pixels of the mining digital image (122) and a task digital image (114) by using at least one processing device, wherein the task digital image (114) comprises a plurality of colored pixels being different from the initial digital image (116). The method comprises repeating steps ii) (118) to iv) (124) until the colored pixels of the mining digital image (122) and the task digital image (114) are found to be identical. In each case in step ii) (118) a different mining printer control setting (112) is selected. The mining printer control setting (112) for which the mining digital image (122) and the task digital image (114) are found to be identical, at least within tolerances, is used as the proof-of-work for generating and validating the block of the blockchain.

公开(公告)号：US20240007451A1

公开(公告)日：2024-01-04

申请号：US18039730

申请日：2021-12-01

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger Kai Peter JELICH

IPC: H04L9/40 ,  H04L9/08 ,  G06F3/12

CPC classification number: H04L63/061 ,  H04L63/0435 ,  H04L9/0869 ,  G06F3/1222 ,  G06F3/1238 ,  G06F3/1257 ,  G06F3/1267 ,  G06F3/1285

Abstract: A method for distributing symmetric encryption keys in a communication system comprising a plurality of nodes is disclosed. Each node comprises information about printer control settings and printer jobs and a printing device configured for generating encryption keys. The method comprises: providing to each node an initial session key information that comprises an initial printer control setting and an initial printer job setting; providing to each node as a one-time pad an initial session key package encrypted with the initial session key information and comprising items of first session key information, wherein any two nodes have a common item of first session key information; generating at each node second session key information that is different for each of the other nodes; and sending from one of the nodes to another node a message encrypted with the first session key information and comprising the second session key information.

公开(公告)号：US20230092844A1

公开(公告)日：2023-03-23

申请号：US17800758

申请日：2021-02-11

Applicant: BASF SE

Inventor： Matthias VOGES ,  Lothar SEIDEMANN ,  Anika RITTER ,  Astrid SCHMIDT ,  Markus HARTMANN ,  Hartmut KOENIG ,  Frank JAEKEL ,  Rou Hua CHUA ,  Michael Klemens MUELLER

IPC: C07C227/42

Abstract: Process for making solid methylglycine diacetate (MGDA) alkali metal salt (A), said process comprising the steps of (a) providing a 40 to 60% by weight aqueous solution of said salt (A) having a temperature in the range of from 50 to 90° C., (b) crystallizing salt (A), (c) removing said crystalline salt (A) from the mother liquor by filtration, and (d) subjecting the water containing filter cake from step (c) to an extrusion step.

公开(公告)号：US20250023739A1

公开(公告)日：2025-01-16

申请号：US18712915

申请日：2022-11-22

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger Kai Peter JELICH

IPC: H04L9/32 ,  B41J2/21 ,  G03G15/01 ,  G06T7/90 ,  H04N1/23 ,  H04N1/56

Abstract: Computer implemented method for proof-of-work for generating and validating a block of a blockchain, also denoted as consensus mechanism, using at least one printing device, wherein 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) (110) providing a cryptographic hash value; ii) (112) generating at least one initial digital image (114) comprising a plurality of colored pixels (116), wherein the initial digital image (114) is generated by converting at least one part of the cryptographic hash value into color values of the colored pixels (116); iii) (118) generating a task digital image (120) comprising a plurality of colored pixels (122) different from the initial digital image (114); iv) (124) selecting a mining printer control setting (126), printing the initial digital image (114) by using the printing device by mixing and/or 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 (114); v) (128) comparing the colored pixels of the mining digital image and the task digital image (120) by using at least one processing device; wherein the method comprises repeating steps ii) to v) until the colored pixels of the mining digital image and the task digital image (120) are found to be identical, wherein in each case in step iv) (124) a different mining printer control setting (126) is selected, wherein the mining printer control setting (126) for which the mining digital image and the task digital image (120) are found to be identical at least within tolerances is used as the proof-of-work for generating and validating the block of the blockchain.

公开(公告)号：US20240305485A1

公开(公告)日：2024-09-12

申请号：US18281967

申请日：2022-03-15

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Marie Christin JAHN ,  Holger Kai Peter JELICH

IPC: H04L9/00 ,  G06K15/02

CPC classification number: H04L9/50 ,  G06K15/1805 ,  G06K15/1878

Abstract: 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) (110) providing an initial digital image (112) comprising a plurality of colored pixels, wherein the initial digital image (110) 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) (114) providing a task digital image (116) comprising a plurality of colored pixels different from the initial digital image (112); iii) (118) selecting a mining printer control setting (120), printing the initial digital image (112) by using the printing device by blending pigments with the selected mining printer control setting (120) and scanning the printed image by using at least one scanning device, thereby generating a mining digital image (122) having a plurality of colored pixels different from the initial digital image (112); iv) (124) comparing the colored pixels of the mining digital image (122) and the task digital image (116) by using at least one processing device; wherein the method comprises repeating steps ii) (114) to iv) (124) until the colored pixels of the mining digital image (122) and the task digital image (116) are found to be identical, wherein in each case in step iii) (118) a different mining printer control setting (120) is selected, wherein the mining printer control setting (120) for which the mining digital image (122) and the task digital image (116) are found to be identical is used as the proof-of-work for generating and validating the block of the blockchain.

公开(公告)号：US20240193394A1

公开(公告)日：2024-06-13

申请号：US18287310

申请日：2022-04-19

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger Kai Peter JELICH

IPC: G06K19/06 ,  G06F21/64 ,  G09F3/00

CPC classification number: G06K19/06037 ,  G06F21/64 ,  G09F3/0297

Abstract: A computer implemented method for generating at least one security label (110) using at least one printing device (112) is proposed. The method comprises the following steps: i) (114) generating a first digital image (116) comprising a plurality of colored pixels by printing a printer job with a printer control setting and scanning the printout using the printing device (112) thereby generating a digital fingerprint: ii) (118) providing a binary code (120) of identifier information: iii) (122) mapping the identifier information with the digital fingerprint by determining a binary code of the digital fingerprint and adding the binary code (120) of the identifier information to the color code of the first digital image (116); iv) (124) generating a second digital image (126) having a plurality of colored pixels different from the first digital image (116) by transferring the added binary codes into a color code of the second digital image (126): v) (128) printing the second digital image (126) on a substrate (129) thereby generating the security label (110).

公开(公告)号：US20220271931A1

公开(公告)日：2022-08-25

申请号：US17623708

申请日：2020-06-16

Applicant: BASF SE

Inventor： Lothar SEIDEMANN ,  Holger PETERSEN ,  Rainer FRIEHMLT ,  Oliver PIKHARD ,  Holger Kai Peter JELCH

IPC: H04L9/08 ,  G06F7/58

Abstract: A method of generating at least one encryption key (130) for encrypting data (142), a method of 5 data transmission between at least two communication systems (136, 138), a method of encrypting data (142) and a method of decrypting encrypted data (144) are disclosed. Further disclosed are an encryption key generating device (110), a system (134), a data encryption system (148) and a data decryption system (150). The method of generating at least one encryption key (130) for encrypting data (142), specifically for data transmission over an insecure channel, comprises: i. blending at least two materials (114) according to at least one item of blending in-formation by using a blending device (112), thereby generating at least one blend (120); ii. detecting at least one material property (124) of the blend (120) by using at least one detector (126); and iii. transforming the material property (124) into the encryption key (130) by using at least one data processing device (132) configured for applying at least one trans-formation algorithm to the material property (124).

公开(公告)号：US20200377999A1

公开(公告)日：2020-12-03

申请号：US16491751

申请日：2018-02-21

Applicant: BASF SE

Inventor： Fatih CETINEL ,  Lothar SEIDEMANN ,  Frank KLEINE JAEGER ,  Franz WEBER ,  Tillmann LIEBSCH

IPC: C23C16/44 ,  C23C16/40 ,  C23C16/455 ,  H01M4/04 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

Abstract: The present invention is related to a process for making a coated oxide material, said process comprising the following steps: (a) providing a particulate material selected from lithiated nickel-cobalt aluminum oxides, lithium cobalt oxide, lithiated cobalt-manganese oxides and lithiated layered nickel-cobalt-manganese oxides, (b) treating said cathode active material with a metal alkoxide metal amide or alkyl metal compound, (c) treating the material obtained in step (b) with moisture, and, optionally, repeating the sequence of steps (b) and (c), wherein steps (b) and (c) are carried out in a vessel of which at least one part rotates around a horizontal axis.