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CHEM FAB VORM E SCHERING

Overview
  • Total Patents
    291
About

CHEM FAB VORM E SCHERING has a total of 291 patent applications. Its first patent ever was published in 1897. It filed its patents most often in Germany, Switzerland and United States. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and pharmaceuticals are U S VITAMIN AND PHARMACEUTICAL, KONINKLIJKE PHARMA FAB NV and LUNDBECK & CO KEMISK PHARMACEU.

Patent filings in countries

World map showing CHEM FAB VORM E SCHERINGs patent filings in countries
# Country Total Patents
#1 Germany 87
#2 Switzerland 72
#3 United States 47
#4 Austria 44
#5 United Kingdom 15
#6 Canada 14
#7 France 12

Patent filings per year

Chart showing CHEM FAB VORM E SCHERINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schering Chemische Fabrik Auf 72
#2 Dohrn Dr Max 14
#3 Horsters Dr Hans 12
#4 Stephan Karl 11
#5 Schoeller Dr Walter 11
#6 Jordan Hans 10
#7 Thiele Albrecht 9
#8 Dohrn Max 8
#9 Schmidt Dr Kurt 7
#10 Goebel Dr Hans 6

Latest patents

Publication Filing date Title
DE433099C Process for the preparation of oxindole-3-acetic acids and their homologues which are halogen-substituted in the aromatic nucleus
DE436518C Process for the preparation of nuclear halogen substitution products of oxindole-3-acetic acid
DE431510C Process for the preparation of oxindole-3-acetic acid
DE436516C Process for the preparation of derivatives of 6-alkoxy-4-methylquinoline
DE423611C Process for improving printing inks removable from paper
DE434307C Device for adjusting the mutual carbon spacing in electric arc lamps with parallel carbon rods
DE429101C Process for the preparation of di- and tetraiodisatin
DE429100C Process for the preparation of an iodine-substituted oxindole
DE425041C Process for the preparation of the 5, 7-diiodine-3-acetic acid and its homologues
DE426346C Process for the preparation of 4-amino-2-cupromercaptobenzene-1-carboxylic acid
DE426345C Process for the preparation of 4-amino-2-bismutimercaptobenzene-1-carboxylic acid
DE419390C Agent against plant and animal pests
DE418129C Process for improving the odor of dimethyl sulfide
DE415626C Process for the preparation of compounds of 4-amino-2-argentomercaptobenzene-1-carboxylic acid and its alkali salts which are readily soluble in water
DE415535C Process for improving printing inks removable from paper
DE423080C Process for the preparation of combined metal gelatoses
DE416860C Process for the preparation of carbithioic acid esters and thioic acids of the pyrazolone series
DE417970C Process for the conversion of dimethyl sulfide into carbon tetrachloride and other chlorine compounds
DE416603C Process for the conversion of dimethyl sulfide into carbon tetrachloride and other chlorine compounds
DE427854C Process for obtaining therapeutically effective extracts from testes