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Inventor

Heinz Dittmar

Inventor
Friedberg, DE

Overview

2→
Patents
1977–1985
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C01Bprimary
C01BNon-metallic elements25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C01GCompounds containing metals not covered by subclasses c01d or c01f13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,533,537'Process of producing sulfuric acid'19854,049,788'Thermal transformation of metal chlorides to oxides in a fluidized bed'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to METALLGESELLSCHAFT AG (2)· patent assignee history
1977Based in Frankfurt am Main, DE· patent location history
1985Based in Friedberg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
METALLGESELLSCHAFT AG21977–1985
Locations
LocationPatentsSpan
Friedberg, DE11985
Frankfurt am Main, DE11977