Inventor
Frank Kleiner
Inventor
Cologne, DE
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds28%
C08LCompositions of macromolecular compounds15%
C08JWorking-up13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
Y10TTechnical subjects covered by former us classification8%
B29CShaping or joining of plastics3%
C07CAcyclic or carbocyclic compounds3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
5,486,642'Process for the production of carbonic acid esters'19965,136,013'Process for the production of low-melting polymers containing at least one Z-configured stilbene group'19925,053,477'Process for the production of aromatic polyether ketones'19914,954,604'Process for the production of aromatic polyether ketones'19904,835,243'Thermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and films'19894,701,554'Process for the preparation of polyphosphonic acid amides'19874,640,970'Process for the production of polyamide imides'19874,581,441'Mixtures of special cycloaliphatic 1,2-diepoxides and their use'19864,529,666'Plasticized polyvinyl alcohol'19854,515,925'Polycarbonate/polybutylene terephthalate film'19854,367,186'Process for the preparation of modified polycarbonate molding compositions'19834,366,276'Flame-resistant moulding materials based on thermoplastic aromatic polyesters and polyesters carbonates, a process for their production and their use in the production of moulded bodies'19824,301,212'Scratch-resistant and weather-resistant laminates based on polycarbonate'19814,269,964'Polycarbonates with alkylphenyl end groups, their preparation and their use'19814,252,922'Polycarbonate molding compositions with improved resilience properties'19814,208,489'Polycarbonate molding compositions with improved flame-repellency'19804,158,538'Apparatus for the continuous production of continuous plastics foam webs'19794,081,495'Thermoplastic moulding compositions and mouldings of polycarbonates, with improved ease of mould release when injection-moulded'19784,053,341'Laminates of polyethylene foam with an anisotropic pore structure'19773,966,651'Process for the production of fine-cell polyolefin foams'19763,965,053'Foamed polyolefin foils'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1996Patents assigned to BAYER AG (20)· patent assignee history
1976–1983Based in Cologne, DE· patent location history
1985–1996Based in Leverkusen, DE· patent location history
1989Patents assigned to BLANK HEINZ ULRICH (1)· patent assignee history
1989Patents assigned to BOTTENBRUCH LUDWIG (1)· patent assignee history
1989Patents assigned to DICKE HANS RUDOLF (1)· patent assignee history
1989Patents assigned to ECKHARDT VOLKER (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 20 | 1976–1996 |
| BLANK HEINZ ULRICH | 1 | 1989 |
| BOTTENBRUCH LUDWIG | 1 | 1989 |
| DICKE HANS RUDOLF | 1 | 1989 |
| ECKHARDT VOLKER | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cologne, DE | 11 | 1976–1983 |
| Leverkusen, DE | 10 | 1985–1996 |