Inventor

Rudolf Krumbholz

Inventor
Merchweiler, DE

Overview

7→
Patents
1991–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

B01Dprimary
B01DSeparation19%
C11CFatty acids from fats, oils or waxes14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C07CAcyclic or carbocyclic compounds10%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes10%
A23PShaping or working of foodstuffs, not fully covered by a single other subclass5%
A61KPreparations for medical, dental or toiletry purposes5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
A61QSpecific use of cosmetics or similar toiletry preparations5%
C07HSugars5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DUPHAR INT RES (1)· patent assignee history
1991Based in Weesp, NL· patent location history
1994–2012Patents assigned to K D PHARMA GMBH (3)· patent assignee history
1994–2019Based in Merchweiler, DE· patent location history
2000–2012Based in Holving, FR· patent location history
2011–2019Patents assigned to K D PHARMA BEXBACH GMBH (2)· patent assignee history
2011–2012Patents assigned to KRUMBHOLZ RUDOLF (2)· patent assignee history
2011–2012Patents assigned to LEMBKE PETER (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
K D PHARMA GMBH31994–2012
K D PHARMA BEXBACH GMBH22011–2019
KRUMBHOLZ RUDOLFself22011–2012
LEMBKE PETER22011–2012
DUPHAR INT RES11991
Locations
LocationPatentsSpan
Merchweiler, DE31994–2019
Holving, FR32000–2012
Weesp, NL11991