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Inventor

Alice Siegmann

Inventor
Düsseldorf, DE

Overview

3→
Patents
2010–2012
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.

C11Dprimary
C11DDetergent compositions100%
PatentTitleYear
8,227,397'Stable aqueous antimicrobial lipase enzyme compositions'20127,964,548'Stable aqueous antimicrobial enzyme compositions'20117,723,281'Stable aqueous antimicrobial enzyme compositions comprising a tertiary amine antimicrobial'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to ECOLAB INC (1)· patent assignee history
2010–2011Based in Düsseldorf, DE· patent location history
2011–2012Patents assigned to ECOLAB USA INC (2)· patent assignee history
2012Patents assigned to HERDT BRANDON L (1)· patent assignee history
2012Patents assigned to SIEGMANN ALICE (1)· patent assignee history
2012Patents assigned to STROTHOFF WERNER (1)· patent assignee history
2012Based in Dusseldorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ECOLAB USA INC22011–2012
ECOLAB INC12010
HERDT BRANDON L12012
SIEGMANN ALICEself12012
STROTHOFF WERNER12012
Locations
LocationPatentsSpan
Düsseldorf, DE22010–2011
Dusseldorf, DE12012