PHILADELPHIA QUARTZ COMPANY OF has a total of 11 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are MATHOLIN CORP, QITAIHE BAOTAILONG GRAPHENE NEW MAT CO LTD and MORGAN JOHN STANLEY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 4 | |
#2 | Canada | 2 | |
#3 | France | 2 | |
#4 | Switzerland | 1 | |
#5 | Denmark | 1 | |
#6 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Basic materials chemistry | |
#3 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Non-metallic elements | |
#2 | Separation | |
#3 | Adhesives |
# | Name | Total Patents |
---|---|---|
#1 | Baker Chester L | 4 |
#2 | Baker Chester Leon | 2 |
#3 | Of California Philadelphia Qua | 1 |
#4 | Wright Roy E | 1 |
#5 | Cuneo Jr Frank L | 1 |
Publication | Filing date | Title |
---|---|---|
US3392039A | Lithium silicate composition | |
US2894847A | Water-resistant adhesive compositions | |
US2116423A | Method of crystallization and crystallized products | |
GB388041A | Improved process for the manufacture of crystallised hydrates of sodium metasilicate | |
US1898707A | Crystalline hydrates of alkali metal silicates and method of producing them | |
CA354827A | Crystalling hydrate production | |
CA354698A | Crystalline hydrate production |