Inventor
Eckhard Ropte
Inventor
Ludwigshafen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Dprimary
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons19%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
C08JWorking-up13%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons13%
D21HPulp compositions13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
D21BFibrous raw materials or their mechanical treatment6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,162,385'Preparation of hard foams containing urethane groups or containing urethane and isocyanurate groups'19924,258,141'Process for manufacture of flexible polyurethane foams with cyanic acid derivatives'19814,187,143'Manufacture of fibrids from poly(amide-imide) resins'19804,098,640'Manufacture of paper-like and textile-like sheets'19784,091,058'Manufacture of fibrids from poly(amide-imide) resins'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1992Patents assigned to BASF AG (5)· patent assignee history
1978–1992Based in Ludwigshafen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 5 | 1978–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ludwigshafen, DE | 5 | 1978–1992 |