Inventor

Michael Messner

Inventor
Semmelsberg, DE

Overview

6→
Patents
1995–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds36%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials36%
C08LCompositions of macromolecular compounds14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to CIBA GEIGY CORP (2)· patent assignee history
1995–2001Based in Diedorf, DE· patent location history
2001Patents assigned to HUELS CHEMISCHE WERKE AG (1)· patent assignee history
2003–2004Patents assigned to WACKER CHEMIE GMBH (2)· patent assignee history
2003Patents assigned to KELMAR INDUSTRIES,INC (1)· patent assignee history
2003–2014Based in Semmelsberg, DE· patent location history
2014Patents assigned to HOFFMANN SABINE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIBA GEIGY CORP21995–1997
WACKER CHEMIE GMBH22003–2004
HOFFMANN SABINE12014
HUELS CHEMISCHE WERKE AG12001
KELMAR INDUSTRIES,INC12003
Locations
LocationPatentsSpan
Semmelsberg, DE32003–2014
Diedorf, DE31995–2001