Inventor
Lloyd S. White
Inventor
Columbia, MD, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils38%
B01DSeparation33%
A61LMethods or apparatus for sterilising materials or objects in general5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C01BNon-metallic elements5%
C07CAcyclic or carbocyclic compounds5%
C08JWorking-up5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
7,997,426'Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes'20117,048,846'Membrane separation for sulfur reduction'20067,041,212'Membrane separation for sulfur reduction'20067,018,527'Membrane separation for sulfur reduction'20066,896,796'Membrane separation for sulfur reduction'20056,554,993'Membrane separation for sulfur reduction'20036,187,987'Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes'20016,180,008'Polyimide membranes for hyperfiltration recovery of aromatic solvents'20015,824,405'Barrier membrane for protective clothing'19985,651,877'Lubricating oil dewaxing with membrane separation'19975,429,748'Polymide membrane for separation of solvents from lube oil'19955,264,166'Polyimide membrane for separation of solvents from lube oil'19935,151,183'Reduction of membrane fouling by surface fluorination'19925,108,383'Membranes for absorbent packets'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to ALLIED SIGNAL INC (2)· patent assignee history
1992–2011Based in Columbia, MD, US· patent location history
1993–2006Patents assigned to GRACE W R & CO (7)· patent assignee history
1997Patents assigned to MOBIL OIL CORP (1)· patent assignee history
2001Patents assigned to EXXON MOBIL CORP (1)· patent assignee history
2011Patents assigned to EXXONMOBIL RES & ENG CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 7 | 1993–2006 |
| ALLIED SIGNAL INC | 2 | 1992 |
| EXXON MOBIL CORP | 1 | 2001 |
| EXXONMOBIL RES & ENG CO | 1 | 2011 |
| MOBIL OIL CORP | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbia, Maryland, US | 14 | 1992–2011 |