Inventor
Jacques Persello
Inventor
Montluel, FR
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds23%
C01BNon-metallic elements18%
A61KPreparations for medical, dental or toiletry purposes16%
A61QSpecific use of cosmetics or similar toiletry preparations15%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
Y10TTechnical subjects covered by former us classification3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B82YSpecific uses or applications of nanostructures2%
PatentTitleYear
5,968,470'Precipitated silica particulates having controlled porosity'19995,922,330'High pH colloidal dispersion of a cerium compound, and a process for its preparation'19995,744,114'Method of preparing dentifrice-compatible silica particulates'19985,698,327'Zinc/dentifrice-compatible silica particulates'19975,616,316'Dentifrice-compatible silica particulates'19975,614,176'Dentifrice-compatible silica particulates'19975,614,177'Dentifrice-compatible silica particulates'19975,612,020'Dentifrice-compatible silica particulates'19975,413,844'Process for the preparation of zinc/dentifrice-compatible silica particulates'19955,342,598'Precipitated silica particulates having controlled porosity'19945,286,478'Dentifrice-compatible silica particulates'19945,127,952'Core/oxide/dye pigmentary colorants'19925,074,917'Novel oxide/dye pigmentary colorants'19915,009,874'Hydrophobic precipitated silica granules'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1999Patents assigned to RHONE POULENC CHIMIE (13)· patent assignee history
1991–1998Based in Montluel, FR· patent location history
1991–1992Based in St Andre de Corcy, FR· patent location history
1992Patents assigned to ROHNE POULENC CHIMIE (1)· patent assignee history
1994–1999Based in Saint Andre de Concy, FR· patent location history
1999Based in Besancon, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RHONE POULENC CHIMIE | 13 | 1991–1999 |
| ROHNE POULENC CHIMIE | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Montluel, FR | 9 | 1991–1998 |
| Saint Andre de Concy, FR | 2 | 1994–1999 |
| St Andre de Corcy, FR | 2 | 1991–1992 |
| Besancon, FR | 1 | 1999 |