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Inventor

Josef Rothkegel

Inventor
Frankfurt am Main, DE

Overview

2→
Patents
1983–1985
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.

C23Cprimary
C23CCoating metallic material100%
PatentTitleYear
4,559,087'Process for phosphating metals'19854,389,260'Composition and process for the phosphatizing of metals'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to OCCIDENTAL CHEM CO (1)· patent assignee history
1983Based in Maintal, DE· patent location history
1985Patents assigned to PARKER CHEMICAL CO (1)· patent assignee history
1985Based in Frankfurt am Main, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OCCIDENTAL CHEM CO11983
PARKER CHEMICAL CO11985
Locations
LocationPatentsSpan
Frankfurt am Main, DE11985
Maintal, DE11983