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Inventor

Guido Fries

Inventor
Recklinghausen, DE

Overview

3→
Patents
2002–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
C07BGeneral methods of organic chemistry25%
C07DHeterocyclic compounds25%
PatentTitleYear
6,852,893'Method for oxidizing hydrocarbons'20056,825,385'Process for the preparation of orthocarbonates'20046,410,745'Process for preparing 1-guanylpyrazole acid adducts'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Patents assigned to DEGUSSA (2)· patent assignee history
2002–2005Based in Recklinghausen, DE· patent location history
2005Patents assigned to CREAVIS TECH & INNOVATION GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEGUSSA22002–2004
CREAVIS TECH & INNOVATION GMBH12005
Locations
LocationPatentsSpan
Recklinghausen, DE32002–2005