Inventor
Fritz Lange
Inventor
Essen, DE
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds19%
A61KPreparations for medical, dental or toiletry purposes14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
C11DDetergent compositions11%
C07CAcyclic or carbocyclic compounds8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
A23NMachines or apparatus for treating harvested fruit, vegetables or flower bulbs in bulk, not otherwise provided for3%
B01DSeparation3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
PatentTitleYear
5,304,669'Process for the production of alkyl sulfate pastes having improved flow properties'19945,164,124'Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C.sub.16 -C.sub.22 fatty acids, a process for their production and their use as alkoxylation catalysts'19925,114,428'Hair dye preparation'19924,919,923'Cosmetic emulsions having improved flow behavior'19904,883,604'Smoothing compositions for textile fibers containing dialkyl ethers of (poly)alkylene glycols'19894,874,554'Quaternary ammonium compounds'19894,832,868'Liquid surfactant mixtures'19894,820,436'Detergents for low laundering temperatures'19894,820,511'Hair care and aftertreatment preparations'19894,784,801'Hair treatment preparations'19884,745,231'Alkylene oxide block polymers usable as defoamers'19884,650,865'Process for preparing tertiary ether amines'19874,621,573'Apparatus for cleaning fruits and vegetables'19864,357,277'Novel process for the preparation of N,N\'-bisacyl hydrazides'19824,332,728'Process for the preparation of bisacyl hydrazines'19824,123,548'(2-Oxo-pyrrolidines)-acetic hydrazides'19784,069,336'(2-Oxo-pyrrolidines)-acetic hydrazides'19784,048,169'1,3-Bis-(.beta.-ethylhexyl)-5-nitro-5-methyl-hexahydropyrimidine-na phthalene-1,5-disulphonate'19774,010,160'Process for the manufacture of 1,3-bis-(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to MEDITEST INST (2)· patent assignee history
1977–1982Based in Gauting, DE· patent location history
1978Patents assigned to CHEMISCHES LAB FRITZ WALTER LA (2)· patent assignee history
1982Patents assigned to RUETGERSWERKE AG (2)· patent assignee history
1986Patents assigned to LANGE FRITZ (1)· patent assignee history
1986Based in Schonboken, DE· patent location history
1987–1994Patents assigned to HENKEL KGAA (12)· patent assignee history
1987–1994Based in Essen, DE· patent location history
1989Based in Baderweg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL KGAA | 12 | 1987–1994 |
| CHEMISCHES LAB FRITZ WALTER LA | 2 | 1978 |
| MEDITEST INST | 2 | 1977 |
| RUETGERSWERKE AG | 2 | 1982 |
| LANGE FRITZself | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essen, DE | 11 | 1987–1994 |
| Gauting, DE | 6 | 1977–1982 |
| Baderweg, DE | 1 | 1989 |
| Schonboken, DE | 1 | 1986 |