Inventor

Ludwig Schmidhammer

Inventor

Haiming, DE

Overview

24→

Patents

1976–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds50%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%

C01BNon-metallic elements16%

A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents3%

B01DSeparation3%

C07BGeneral methods of organic chemistry3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

5,986,152'Supported catalyst, process for its production as well as its use in the oxychlorination of ethylene'1999 5,233,106'Process for the hydrogenation of chloromethanes'1993 5,177,233'Catalyst system and use for the preparation of 1,2-dichloroethane'1993 5,166,120'Cylindrically formed catalyst for the oxychlorination of ethylene'1992 5,099,085'Chlorination reactions and oxychlorination reactions in the presence of honeycomb monolithic catalyst supports'1992 5,068,475'Process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process'1991 4,986,975'Process for purifying hydrogen chloride from pyrolysis of 1,2-dichloroethane'1991 4,839,153'Process for purification of HCl from pyrolysis of EDC'1989 4,822,932'Heat recovery in production of vinyl chloride by pyrolysis of dichloroethane'1989 4,788,357'Vinyl chloride production'1988 4,754,088'Process for oxychlorination of ethylene'1988 4,746,759'Process for thermal cracking of 1,2-dichloroethane to form vinyl chloride'1988 4,606,742'Novel heat recovery process'1986 4,584,123'Process for upgrading hydrogen chloride containing chlorine, iron-III-chloride, ethylene and/or acetylene'1986 4,540,837'Process for the work-up of residues of chlorination'1985 4,528,174'Method for preparing hydrogen chloride for the ethyleneoxichlorination process'1985 4,482,770'Removal of acetylene from products of 1,2-dichloroethane pyrolysis'1984 4,409,396'Process for the manufacture of unsaturated carboxylic acid esters'1983 4,388,278'Purification by hydrogenation of hydrogen chloride containing acetylene obtained by the thermal cracking of 1,2-dichloroethane'1983 4,259,264'Process for the continuous chlorination of olefins in the liquid phase and an apparatus for carrying out the process'1981 4,220,607'Stabilized perchloroethylene'1980 4,188,347'Process for treating unreacted 1,2-dichloroethane from 1,2-dichloroethane cracking'1980 4,034,051'Stabilization of perchloroethylene'1977 3,998,706'Process for the separation of chlorohydrocarbons from lower boiling impurities'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to WACKER CHEMIE GMBH (23)· patent assignee history

1976–1999Based in Haiming, DE· patent location history

1980–1985Based in Marktl, DE· patent location history

1983Patents assigned to HOECHST AG (1)· patent assignee history

1992–1999Patents assigned to DEGUSSA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WACKER CHEMIE GMBH	23	1976–1993
DEGUSSA	3	1992–1999
HOECHST AG	1	1983

Locations

Location	Patents	Span
Haiming, DE	20	1976–1999
Marktl, DE	4	1980–1985