Inventor
Frantisek Hrabak
Inventor
Prague, CZ
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds47%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
C08JWorking-up6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
4,562,677'Metal door frame constructed of a channel section and method of making same'19864,087,600'Polymers of tetrachloroethyl esters of unsaturated organic acids, and the method for their preparation'19784,072,805'Method for producing polymers'19784,042,644'Process for producing of polymers by connecting of polymeric molecules'19774,039,735'Homopolymers and copolymers of tetrachloroethoxyethyl esters and method for their preparation'19774,036,909'Process for the polymerization and copolymerization of vinyl and diene compounds'19774,006,147'Tetrachloroethoxyethyl esters and method for their preparation'19773,998,910'Process for the polymerization and copolymerization of vinyl and diene compounds'19763,974,205'Tetrachloroethyl esters of unsaturated organic acids and the method for their preparation'19763,954,683'1,2,2,2-Tetrachlorethyl acrylate and methacrylate polymers and copolymers'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to CESKOSLOVENSKA AKADEMIE VED (9)· patent assignee history
1976–1978Based in Prague, CZ· patent location history
1986Patents assigned to STAVEBNI STROJIRENSTVI A LEHKA (1)· patent assignee history
1986Based in Pilsen, CS· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CESKOSLOVENSKA AKADEMIE VED | 9 | 1976–1978 |
| STAVEBNI STROJIRENSTVI A LEHKA | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Prague, CZ | 9 | 1976–1978 |
| Pilsen, CS | 1 | 1986 |