SCHWEIGER RICHARD GEORG has a total of 28 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and Finland. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and organic fine chemistry are CHON DONG WON, ANHUI SUNHERE PHARMACEUTICAL EXCIPIENTS CO LTD and NARITA MITSUO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 4 | |
#3 | Finland | 3 | |
#4 | Norway | 3 | |
#5 | Netherlands | 2 | |
#6 | Philippines | 2 | |
#7 | Sweden | 2 | |
#8 | Belgium | 1 | |
#9 | Italy | 1 | |
#10 | Japan | 1 | |
#11 | Romania | 1 |
# | Industry | |
---|---|---|
#1 | Macromolecular chemistry and polymers | |
#2 | Machines | |
#3 | Organic fine chemistry |
# | Technology | |
---|---|---|
#1 | Polysaccharides | |
#2 | Special macromolecular compounds | |
#3 | Unspecified technologies | |
#4 | Unspecified technologies | |
#5 | Acyclic or carbocyclic compounds |
# | Name | Total Patents |
---|---|---|
#1 | Schweiger Richard G | 18 |
#2 | Schweiger Richard Georg | 6 |
#3 | Richiyaado Jiyooji Shiyuueigaa | 1 |
Publication | Filing date | Title |
---|---|---|
US4419316A | Process of making films, fibers or other shaped articles consisting of, or containing, polyhydroxy polymers | |
US4242506A | Cross-linking of cellulose sulfate esters with tetravalent metal ions | |
US4177345A | Process for preparing a sulfate ester of a polyhydroxy polymer | |
US4138535A | Nitrite esters of polyhydroxy polymers | |
US4141746A | Cellulose sulfate esters | |
US4143226A | Process for preparing a sulfate ester of a polyhydroxy polymer | |
US4035569A | Preparation of cellulose nitrite | |
PH14624A | Preparation of cellulose nitrite | |
CA1045126A | Water soluble polymer esters and process for producing same | |
CA979577A | Polyhydroxypolymer esters and their preparation | |
US3702843A | Nitrite,nitrate and sulfate esters of polyhydroxy polymers |