Texasgulf Inc.
26Patents
0Active
26Granted
33Portfolio score
Filing activity: Jan 18, 1977 → Dec 7, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4477573A | Sulphur gas geochemical prospecting | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4202667A | Process for the separation of insoluble materials in the production of soda ash | Chemistry; Metallurgy | 20 | Expired |
| US4411474A | Solution mining of an inclined structure | Fixed Constructions | 16 | Expired |
| US4302483A | Metallizing of a corrodible metal with a protective metal | Chemistry; Metallurgy | 15 | Expired |
| US4395828A | Combination geodetic transit compass and signal mirror | Physics | 13 | Expired |
| USD248527S | Glass mug | General | 12 | Expired |
| US4160812A | Multi-stage crystallization of sodium carbonate | Performing Operations; Transporting | 12 | Expired |
| US4425003A | Single well-multiple cavity solution mining of an inclined structure | Fixed Constructions | 12 | Expired |
| US4479790A | Centrifugal separator and method of operating same | Performing Operations; Transporting | 12 | Expired |
| US4295881A | Process for extraction of platinum group metals from chromite-bearing ore | Performing Operations; Transporting | 11 | Expired |
| US4418960A | Multiple-bed solution mining of an inclined structure | Fixed Constructions | 10 | Expired |
| US4158043A | Process for producing soda ash from natural alkali metal carbonate-containing ores | Chemistry; Metallurgy | 9 | Expired |
| US4268088A | Shortwall mining of trona | Fixed Constructions | 9 | Expired |
| USD268011S | Desk chronometer | General | 8 | Expired |
| US4083934A | Process for obtaining pure orthophosphoric acid from superphosphoric acid | Chemistry; Metallurgy | 8 | Expired |
| US4269867A | Metallizing of a corrodible metal with a protective metal | Chemistry; Metallurgy | 8 | Expired |
| US4353260A | Shield for gas sampling probe | Physics | 5 | Expired |
| US4547295A | Filtration of wet process superphosphoric acid | Performing Operations; Transporting | 4 | Expired |
| US4240826A | Process for the recovery of arsenic as a zinc arsenate and its _utilization in the purification of zinc plant electrolytes | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4289612A | Phosphate ore triple float | Performing Operations; Transporting | 3 | Expired |
| US4314978A | Increased production of wet process phosphoric acid by gelatin addition | Chemistry; Metallurgy | 3 | Expired |
| US4252622A | Continuous process for the purification of zinc plants electrolytes using copper arsenates | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4177067A | Recovery of silver, copper and zinc from partially roasted pyrite concentrate by ferric sulphate leaching | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4225342A | Treatment of zinc plant leach residues for recovery of the contained metal values | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4168969A | Recovery of silver, copper, zinc and lead from partially roasted pyrite concentrate by acid chloride leaching | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.