DREYFUS HENRY DR has a total of 29 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Switzerland. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and textiles and paper are KEMIRA CHEMICALS BV, SICHEL WERKE A G and UNION STARCH & REFINING CO INC.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 29 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Organic fine chemistry | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Polysaccharides | |
| #2 | Spinning | |
| #3 | Acyclic or carbocyclic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dreyfus Henry Dr | 15 |
| #2 | Henry Dreyfus Dr | 14 |