Inventor
Werner Stein
Inventor
Erkrath, DE
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds20%
C11DDetergent compositions9%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C09FNatural resins4%
C10MLubricating compositions4%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions4%
C11CFatty acids from fats, oils or waxes4%
PatentTitleYear
5,343,984'Rotating drive for an adjusting spindle of a disk brake for motor vehicles'19944,678,927'Circuit arrangement for large power transformers'19874,671,900'Preparation of light-colored, wash active .alpha.-sulfofatty acid'19874,618,582'Process for producing Xanthomonas biopolymers'19864,302,354'Mixtures of vicinal aminoalkanols, process of preparation, and their application as corrosion inhibitors'19814,275,048'Process for the preparation of fine droplet-reacted aluminosilicates of the smallest particle size'19814,178,408'Flame-proof epoxy fibrous structure and laminates thereof'19794,080,372'Continuous process for bleaching acid alpha-sulfo-fatty acid esters'19784,074,013'Corrodible iron-containing surfaces carrying corrosion-inhibiting coating'19784,056,656'Flame-resistant laminates'19774,055,492'Process for the extraction of heavy metals from diluted aqueous heavy metal salt solutions'1977RE029243'Polyalkyleneglycol ethers of hydroxyalkylmercaptans and process'19774,009,213'Continuous process for the separation of mixtures of fatty substances of different melting points'19773,988,247'Sulfonated lubricating agents for leather and furs and process'19763,969,417'Process for the alkoxylation of compounds containing alcoholic hydroxyl groups'19763,956,351'Process for separating fatty mixtures'19763,953,485'Continuous process for the separation of mixtures of fatty substances of different melting points'19763,950,365'Method for purification of fatty acid mixtures'19763,943,178'Secondary alcohol ether ethoxylates'19763,933,923'Process for the manufacture of vicinal glycols'19763,931,271'Process for the production of secondary alcohol ether sulfates'19763,931,259'Process for the preparation of carboxylic acids'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to HENKEL & CIE GMBH (10)· patent assignee history
1976–1981Based in Erkrath, DE· patent location history
1977–1987Patents assigned to HENKEL KGAA (7)· patent assignee history
1977–1979Patents assigned to DYNAMIT NOBEL AG (2)· patent assignee history
1977–1986Based in Dusseldorf, DE· patent location history
1977–1979Based in Troisdorf-Kriegsdorf, DE· patent location history
1987Patents assigned to TRANSFORMATOREN UNION AG (1)· patent assignee history
1987Based in Nuremberg, DE· patent location history
1994Patents assigned to KNORR BREMSE AG (1)· patent assignee history
1994Based in Remscheid, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL & CIE GMBH | 10 | 1976–1977 |
| HENKEL KGAA | 7 | 1977–1987 |
| DYNAMIT NOBEL AG | 2 | 1977–1979 |
| KNORR BREMSE AG | 1 | 1994 |
| TRANSFORMATOREN UNION AG | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Erkrath, DE | 13 | 1976–1981 |
| Dusseldorf, DE | 4 | 1977–1986 |
| Troisdorf-Kriegsdorf, DE | 2 | 1977–1979 |
| Remscheid, DE | 1 | 1994 |
| Nuremberg, DE | 1 | 1987 |