Inventor
Gunter Prescher
Inventor
Hanau, DE
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds45%
C07DHeterocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C11DDetergent compositions4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C12CBeer2%
PatentTitleYear
5,026,925'Method of producing catechol and hydroquinone'19914,921,983'Method for the continuous epoxidation of olefins'19904,879,057'Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use'19894,825,011'Method of preparing substituted dihydroxy-benzenes'19894,790,949'Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use'19884,720,593'Process for the production of 1-methylcyclopropanecarboxaldehyde'19884,691,062'Process for the production of 4-chloro-butanals'19874,680,420'Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diethoxytetrahydrofuran'19874,626,603'Process for the continuous production of vicinal diols'19864,621,072'Process for preparing abrasion-resistant coated catalysts'19864,608,443'Method for the preparation of 1,4-butandial'19864,605,795'Continuous process for the production of pentanediol-1,2'19864,579,979'Method for preparation of acetals'19864,539,409'Process for preparing aromatic nitriles'19854,521,618'Process for preparing acrylic or methacrylic acid'19854,447,615'Process for the purification of nicotinic acid amide I'19844,447,614'Process for the purification of nicotinic acid amide'19844,442,308'Process for preparing by catalytic oxidation in oxygen-containing gas mixtures, acrolein from propylene and methacrolein from isobutylene or tertiary butanol'1984RE031381'Process for the preparation of propylene oxide'19834,150,241'Process for the production of pure racemic acid and mesotartaric acid and separation of maleic acid from synthetic tartaric acid'19794,137,242'Process for the preparation of propylene oxide'19794,113,747'Process for the preparation of propylene oxide'19784,088,676'Process for the preparation of organic solutions of percarboxylic acids'19784,088,679'Process for the preparation of perpropionic acid solutions'19784,087,455'Process for the continuous preparation of percarboxylic acids in organic solutions'19784,087,454'Process for the preparation of perpropionic acid solutions'19784,059,619'Process for the preparation of percarboxylic acid solutions'19774,048,225'Process for the production of pure racemic acid and mesotartaric acid'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to DEGUSSA (23)· patent assignee history
1977–1991Based in Hanau, DE· patent location history
1978–1979Patents assigned to BAYER AG (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 23 | 1977–1991 |
| BAYER AG | 4 | 1978–1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hanau, DE | 28 | 1977–1991 |