Inventor
J. Douglas Mansell
Inventor
Sulphur, LA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C01BNon-metallic elements8%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
Y10TTechnical subjects covered by former us classification8%
B01DSeparation4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08JWorking-up4%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals4%
PatentTitleYear
6,150,573'Concurrent production of trichloroethane isomers'20005,731,482'Method for purifying perchloroethylene containing dichlorobutadiene'19985,490,390'Liquefaction of chlorine or other substances'19965,382,727'Concurrent production of trichloroethane isomers'19955,315,052'Concurrent production of trichloroethane isomers'19945,149,892'Chlorinated benzenes'19925,059,675'Surface sizing composition'19914,849,297'Article having a corrosion inhibiting coating'19894,837,253'Corrosion inhibiting pigment'19894,818,513'Separation of hydrogen fluoride from 1,1-difluoroethene'19894,484,989'Electro organic method and apparatus for carrying out same'19844,192,823'Vapor phase chlorination of 1,1-dichloroethane'19804,028,426'Removal of monochloroacetylene from chlorinated hydrocarbons'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1998Patents assigned to PPG INDUSTRIES INC (12)· patent assignee history
1977–1980Based in Corpus Christi, TX, US· patent location history
1984–1991Based in Akron, OH, US· patent location history
1992–2000Based in Sulphur, LA, US· patent location history
1996Based in Calcasieu Parish, LA, US· patent location history
2000Patents assigned to PPG IND OHIO INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG INDUSTRIES INC | 12 | 1977–1998 |
| PPG IND OHIO INC | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sulphur, LA, US | 5 | 1992–2000 |
| Akron, OH, US | 5 | 1984–1991 |
| Corpus Christi, Texas, US | 2 | 1977–1980 |
| Calcasieu Parish, LA, US | 1 | 1996 |