WIEDERHOLD HERMANN has a total of 37 patent applications. Its first patent ever was published in 1952. It filed its patents most often in France, Germany and Belgium. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and surface technology and coating are SIGMAKALON B V, KANSAI PAINT CO LTD and PHICHEM CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | France | 13 | |
#2 | Germany | 11 | |
#3 | Belgium | 5 | |
#4 | United Kingdom | 5 | |
#5 | Canada | 1 | |
#6 | Italy | 1 | |
#7 | United States | 1 |
# | Name | Total Patents |
---|---|---|
#1 | Ludwig Baulmann Wilhelm | 2 |
#2 | Stoof Gerhard | 2 |
#3 | Blau Hans | 2 |
#4 | Neuhaus Hermann Friedrich | 1 |
#5 | Neuhaus Hermann F | 1 |
#6 | Sagel Hans Dr-Ing | 1 |
#7 | Wiederhold Hermann | 1 |
#8 | Ernst Landtau Karl | 1 |
#9 | Bleisch Dipl-Chem Gertrud | 1 |
#10 | Wiederhold Dr Ellen | 1 |
Publication | Filing date | Title |
---|---|---|
GB1353055A | Polyamide composition for use as a solder substitute | |
FR2112761A5 | Unsaturated polyester coatings for wood | |
FR2068352A5 | Plastic bag mfe | |
GB1317621A | Polyamide composition | |
DE1956583A1 | Accelerated drying of polyester based - paints | |
DE1931724A1 | Drying and hardening lacquer coatings | |
GB1244489A | Improvements in or relating to transmission conductors | |
DE1224055B | Broadband anechoic sound absorber for liquid and solid-state sound made of plastic with transformed sound velocity and process for its production | |
CA829647A | Covers for tips and filters of tobacco products |