Increasing the stability of agents for the treatment of keratinous material
US-12576020-B2 · Mar 17, 2026 · US
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Lechner Torsten patents
Lechner Torsten is listed as an inventor on 187 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lechner Torsten |
| Total patents | 187 |
| First publication | Sep 22, 2016 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for treating hair, comprising the application of a first agent (a) having a silane and a chromophoric compound, and a second agent (b) having a film-forming polymer
US-12551426-B2 · Feb 17, 2026 · US
Method for dyeing keratinous material comprising the use of an organosilicon compound, an effect pigment, and a film-forming polymer iii
US-2026007589-A1 · Jan 8, 2026 · US
Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer II
US-12377034-B2 · Aug 5, 2025 · US
Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent VI
US-12357554-B2 · Jul 15, 2025 · US
Agent for dyeing keratin material, containing at least two organosilicon compounds that are different from each other, at least one pigment and at least one liquid fatty component and/or a solvent
US-12329840-B2 · Jun 17, 2025 · US
Method for dyeing keratinous material, including the application of an organosilicon compound, a dyeing compound, a sealing reagent and an alkaline pre-treatment agent
US-12296036-B2 · May 13, 2025 · US
Method for Dyeing Keratinous Material Comprising the Leave-On Application of a Dye That Has a Low Water Content and Comprises C1-C6 Alkoxy Silane, Pigment and Solvent
US-2025107990-A1 · Apr 3, 2025 · US
Method for treating keratin material
US-12233147-B2 · Feb 25, 2025 · US
Pigment suspension and cosmetic agent prepared using the pigment suspension
US-12220470-B2 · Feb 11, 2025 · US
Recent patents
Latest publications not already listed above.
Method for dyeing keratinous material, including the application of an organosilicon compound, polyethylene glycols, a dyeing compound, and an aftertreatment agent
US-2025025404-A1 · Jan 23, 2025 · US
Method for dyeing keratinous material, comprising the use of an organosilicon compound, a phosphoric acid ester and a dyeing compound
US-12201712-B2 · Jan 21, 2025 · US
Method for dyeing keratinous material, in particular human hair
US-2024350389-A1 · Oct 24, 2024 · US
Process for Producing Hair Treatment Products by Mixing Organic C1-C6-alkoxysilanes and Alkalizing Agents in Specific Molar Ratios
US-2024325271-A1 · Oct 3, 2024 · US
Method for dyeing keratin material, comprising the use of an organosilicon compound, two dyeing compounds and a post-treatment agent
US-12090222-B2 · Sep 17, 2024 · US
Alkaline Solvent Pre-Wash of Hair For Optimizing Wash Stability of Level 1 Colorations
US-2024261212-A1 · Aug 8, 2024 · US
Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi
US-2024207160-A1 · Jun 27, 2024 · US
Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi
US-11992546-B2 · May 28, 2024 · US
Method for dyeing keratinous material, including the application of an organosilicon compound, a dyeing compound, a sealing reagent and an alkaline pre-treatment agent
US-2024165005-A1 · May 23, 2024 · US
Method for dyeing keratinous material, comprising the use of an organosilicon compound, a coated effect pigment and a sealing reagent I
US-11957771-B2 · Apr 16, 2024 · US
Method for treating human hair with agents containing mixtures of organic c1-c6 alkoxy siloxanes
US-2024108563-A1 · Apr 4, 2024 · US
Agent for dyeing keratin material, containing at least two organosilicon compounds that are different from each other, at least one pigment and at least one liquid fatty component and/or a solvent
US-2024099953-A1 · Mar 28, 2024 · US
Process for coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer I
US-11938211-B2 · Mar 26, 2024 · US
Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent I
US-11918665-B2 · Mar 5, 2024 · US
Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and tannic acid
US-11896701-B2 · Feb 13, 2024 · US
Hair treatment apparatus, hair treatment system, and method for cosmetically treating hair
US-11896103-B2 · Feb 13, 2024 · US
Cosmetic composition obtained by mixing two silane blends
US-2024041741-A1 · Feb 8, 2024 · US
Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and a copolymer of styrene and maleic acid (anhydride)
US-11890366-B2 · Feb 6, 2024 · US
Method for dyeing keratin material, comprising the use of an organic C1-C6-alkoxy-silane and an alkalising agent
US-11826586-B2 · Nov 28, 2023 · US
Pigment suspension and cosmetic agent prepared using the pigment suspension
US-2023320946-A1 · Oct 12, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Henkel Ag & Co Kgaa | 187 |
| Henkel IP & Holding GmbH | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K8/585 | 107 |
| A61Q5/10 | 104 |
| A61Q5/065 | 98 |
| A61K2800/884 | 73 |
| A61K8/19 | 63 |