LexDanaLexDanabeta
Inventor

Jerzy Polaczek

Inventor
Warsaw, PL

Overview

3→
Patents
1976–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
B22CFoundry moulding25%
PatentTitleYear
6,107,527'Process for the production of hydroxy-aromatic substances'20005,990,357'Process for the oxidation of isoalkylaromatic hydrocarbons, and catalyst for the execution of the process'19993,976,422'Apparatus for reclamation of resinous moulding mixes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to PRZEDSIEB PROJEKTOWANIA WYPOSA (1)· patent assignee history
1976Based in Krakow, PL· patent location history
1999–2000Patents assigned to RUTGERS KUREHA SOLVENTS GMBH (2)· patent assignee history
1999–2000Based in Warsaw, PL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RUTGERS KUREHA SOLVENTS GMBH21999–2000
PRZEDSIEB PROJEKTOWANIA WYPOSA11976
Locations
LocationPatentsSpan
Warsaw, PL21999–2000
Krakow, PL11976