LexDanaLexDanabeta
Inventor

Guillermo Maier

Inventor
Haining, DE

Overview

2→
Patents
1994–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
A61QSpecific use of cosmetics or similar toiletry preparations25%
C07CAcyclic or carbocyclic compounds25%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds25%
PatentTitleYear
5,973,108'Unsaturated polycations and their preparation and use'19995,292,942'Process for the preparation of aqueous betaine solutions'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HOECHST AG (1)· patent assignee history
1994Based in Haiming, DE· patent location history
1999Patents assigned to CLARIANT GMBH (1)· patent assignee history
1999Based in Haining, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CLARIANT GMBH11999
HOECHST AG11994
Locations
LocationPatentsSpan
Haining, DE11999
Haiming, DE11994