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| Number | Title | Issue Date |
| 5158694 | Railroad grease A high performance, environmentally compatible railroad grease effectively lubricates railroad tracks and wheels of railway cars in compliance with environmental rules and regulations. Advantageously, the novel railroad grease is safe for plant life and a... | 10/27/1992 |
| 5133888 | Cruise missile engine bearing grease A high performance cruise missile grease is provided that performs well at extremely cold temperatures and moderately elevated temperatures, as well as under normal operation conditions. The high performance grease comprises: a lithium soap thickener, a s... | 07/28/1992 |
| 5124027 | Multi-stage process for deasphalting resid, removing catalyst fines from decanted oil and apparatus therefor The invention reduces cracking catalyst fines in decanted oil by mixing the decanted oil (DCO) containing cracking catalyst fines with a resid oil and then treating the DCO-resid mixture with a non-aromatic hydrocarbon solvent in an extraction unit or in ... | 06/23/1992 |
| 5112576 | Catalytic cracking unit with combined catalyst separator and stripper A catalytic cracking apparatus is provided for cost-effectively separating and stripping hydrocarbon from catalyst while limiting the occurrence of undesired catalytic overcracking and thermal cracking reactions. The apparatus includes a reactor, a combin... | 05/12/1992 |
| 5103578 | Method and apparatus for removing volatile organic compounds from soils Volatile compounds such as polychlorinated biphenyls (PCB's) which contaminate a soil can be removed--without incineration--by a process which generally involves: (1) introducing the contaminated soil into a vessel, (2) heating the soil to a temperature g... | 04/14/1992 |
