WALKER CHEMICAL CO LTD has a total of 17 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Canada, Germany and Belgium. Its main competitors in its focus markets macromolecular chemistry and polymers, surface technology and coating and machines are DOW MITSUBISHI KASEI LTD, PRESIDIUM USA INC and HUNTSMAN ICI CHEM LLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 3 | |
#2 | Germany | 3 | |
#3 | Belgium | 2 | |
#4 | Denmark | 2 | |
#5 | France | 2 | |
#6 | United Kingdom | 2 | |
#7 | Sweden | 2 | |
#8 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Macromolecular chemistry and polymers | |
#2 | Surface technology and coating | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Special macromolecular compounds | |
#2 | Layered products | |
#3 | Compounding processes |
# | Name | Total Patents |
---|---|---|
#1 | Apley Martin | 8 |
#2 | Alexander James R | 3 |
#3 | Alexander James Ranald | 3 |
#4 | Ranald Alexander James | 3 |
#5 | Apley M | 2 |
#6 | Alexander J | 2 |
#7 | Aubrey Redfarn Cyril | 1 |
#8 | Martin Apley | 1 |
#9 | Redfarn Cyril A | 1 |
#10 | Redfarn C | 1 |
Publication | Filing date | Title |
---|---|---|
DE1545182A1 | Process for the preparation of organophosphorus nitrile compounds | |
US3164556A | Phosphonitrilic polymers and process for their preparation | |
GB925105A | Improvements in the manufacture of resins | |
GB933720A | Improvements in and relating to the production of polymeric substances | |
CA685383A | Production of polymeric substances | |
CA688271A | Manufacture of resins | |
CA693104A | Production of polymeric substances |