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Inventor

Wilhelm Portz

Inventor
Erftstadt, DE

Overview

4→
Patents
1976–1980
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C21Cprimary
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel25%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs13%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C04BLime, magnesia13%
C22CAlloys13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
4,182,626'Production of granular compositions containing pulverulent magnesium'19804,139,369'Desulphurization of an iron melt'19793,998,928'Process for calcining pellet-shaped calcium hydroxide'19763,943,061'Use of an iron/silicon/phosphorus-alloy in separation of minerals'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to HOECHST AG (4)· patent assignee history
1976–1980Based in Erftstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG41976–1980
Locations
LocationPatentsSpan
Erftstadt, DE41976–1980