| Patent No. | Patent Title: |
| 4167554 | Crystallization apparatus having floating die member with tapered... |
| 4015946 | Process for recovering ammonium sulphate from aqueous solutions o... |
| 4000030 | Method for drawing a monocrystal from a melt formed about a wetta... |
| 3993534 | Method of producing single crystals of gadolinium molybdate famil... |
| 3966541 | Concentration of underground brines in situ by solar evaporation |
| 3961904 | Crystallization apparatus |
| 3960502 | Absorber-crystallizer tower including spray means and scale trap |
| 3960501 | Apparatus for growing crystals from hydrothermal solutions |
| 3959442 | Preparing single crystals of Li(Ho,Y,Er,Tm,Dy)F4 in HF atmosphere |
| 3956465 | Solvent purification of wet process phosphoric acid |
| 3954416 | Apparatus for positively doping semiconductor crystals during zon... |
| 3942951 | Contact plate for mass-exchange apparatus |
| 3941648 | Crystal growth on Hg3 TeO6 |
| 3940252 | Apparatus for the releasing of materials from voluminous precipit... |
| 3937732 | Oxamide by hydrolysis of cyanogen |
| 3936276 | Process for producing amethyst crystal |
| 3936274 | Salt dissolver construction |
| 3935059 | Method of producing single crystals of semiconductor material by ... |
| 3933573 | Aluminum nitride single crystal growth from a molten mixture with... |
| 3932140 | Forming highly absorbent, low bulk density sodium silicate by con... |
| 3932142 | Serial flow crystallization at linearly decreasing pressures |