Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146610 | Process for removal of arsenic from elemental phosphorus | — | 2000-11-14 |
| 5989509 | Method for extracting antimony from elemental phosphorous | John Crosby, Theodore F. Munday, Paul Beck | 1999-11-23 |
| 5670126 | Method for extracting antimony from elemental phosphorus | — | 1997-09-23 |
| 5281741 | Process for preparing aryldiphosphate esters | Henry J. Barda | 1994-01-25 |
| 5206404 | Triaryl phosphate ester composition and process for its preparation | Douglas G. Placek, Michael Marino, John Crosby, Sundeep G. Shankwalkar | 1993-04-27 |
| 5138085 | Process for purifying polybrominated triaryl phosphate esters | — | 1992-08-11 |
| 5128496 | Process for preparing storage-stable tris(bromophenyl)phosphates | — | 1992-07-07 |
| 4981615 | Process for forming a stable emulsion from a triaryl phosphate reaction mixture residue | — | 1991-01-01 |
| 4897502 | Process for making solid polyhalotriaryl phosphate esters | John Crosby | 1990-01-30 |
| 4766240 | Process for preparing 2-(alkylbenzoyl)benzoic acid | John Crosby | 1988-08-23 |
| 4575563 | Liquid mixtures of trialkylphosphine oxides | — | 1986-03-11 |
| 4556684 | Flame retardant styrene modified polyphenylene ether resins | Charles V. Juelke | 1985-12-03 |