Inventor
Andre Lepert
Inventor
Allouville Bellefosse, FR
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds32%
C08LCompositions of macromolecular compounds28%
C09JAdhesives20%
C08JWorking-up8%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
5,268,399'Resin emulsions'19935,236,624'Dispersions and emulsions'19934,892,905'Adhesive emulsion'19904,766,169'Tackifiers and their use in pressure sensitive adhesives'19884,650,829'Novel hydrocarbon resins and their use in adhesives'19874,636,555'Petroleum resins and their production'19874,623,698'Tackifiers and their use in pressure sensitive adhesives'19864,245,075'Carene modified petroleum resins'19814,130,701'Petroleum resins containing vinyl norbornene or tetrahydroindene'19784,078,132'\"Process for preparing petroleum resins having low softening points and narrow molecular weight ranges\"'19784,068,062'Polymerizing C.sub.5 and C.sub.6 olefins and diolefins with 3.degree. hydrocarbyl halide to produce narrow molecular weight petroleum resins having low softening points'19783,987,123'Petroleum resins'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to EXXON RESEARCH ENGINEERING CO (9)· patent assignee history
1976–1981Based in Rhode Saint Genese, BE· patent location history
1978Patents assigned to LEPERT ANDRE (1)· patent assignee history
1986–1993Based in Allouville Bellefosse, FR· patent location history
1993Patents assigned to EXXON CHEMICAL PATENTS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON RESEARCH ENGINEERING CO | 9 | 1976–1990 |
| EXXON CHEMICAL PATENTS INC | 2 | 1993 |
| LEPERT ANDREself | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allouville Bellefosse, FR | 7 | 1986–1993 |
| Rhode Saint Genese, BE | 5 | 1976–1981 |