LexDanaLexDanabeta
Inventor

Walter Guhl

Inventor
Haan, DE

Overview

2→
Patents
1990–2001
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 purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C02FTreatment of water, waste water, sewage, or sludge17%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing17%
D06FLaundering, drying, ironing, pressing or folding textile articles17%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
PatentTitleYear
6,306,303'Washing process with waste water recycling'20014,942,041'Pharmaceutical compositions effective for treating skin to destroy eggs of enterobius vermicularis'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to HENKEL KGAA (2)· patent assignee history
1990–2001Based in Haan, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA21990–2001
Locations
LocationPatentsSpan
Haan, DE21990–2001