Inventor

Udo Rudolph

Inventor

Krefeld, DE

Overview

10→

Patents

1983–1994

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds42%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C08LCompositions of macromolecular compounds5%

PatentTitleYear

RE034626'Isomerization of bisphenols'1994 5,284,981'Ion exchangers modified with mercapto amines'1994 5,212,206'Ion exchange modified with mercapto amines'1993 5,091,555'Process for the vacuum distillation of crude cyanohydrins containing 3 to 6 carbon atoms using liquid jet pump'1992 5,015,784'Isomerization of bisphenols'1991 4,912,263'Ionic exchangers modified with thiazolines'1990 4,701,554'Process for the preparation of polyphosphonic acid amides'1987 4,463,130'Flame-resistant polymer mixtures'1984 4,382,898'Process for the production of aromatic carboxylic acid chlorides'1983 4,382,041'Process for the production of aromatic carboxylic acid chlorides'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1994Patents assigned to BAYER AG (9)· patent assignee history

1983–1994Based in Krefeld, DE· patent location history

1992Patents assigned to DEGUSSA (1)· patent assignee history

1992Based in Hanau, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	9	1983–1994
DEGUSSA	1	1992

Locations

Location	Patents	Span
Krefeld, DE	9	1983–1994
Hanau, DE	1	1992