Inventor
Terry W. Nassivera
Inventor
Gambrills, MD, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes16%
A61QSpecific use of cosmetics or similar toiletry preparations16%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C01BNon-metallic elements11%
A01NPreservation of bodies of humans or animals or plants or parts thereof5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
B01DSeparation5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%
PatentTitleYear
10,959,922Silica-based antimicrobial oral compositions202110,328,002Dentifice compositions containing stannous compatible silica particles201910,287,438Color-bleed resistant silica and silicate pigments and methods of making same20199,186,307'Treated silicas and metal silicates for improved cleaning in dentifrice'20158,815,200'Mesoporous inorganic oxide spheres and method of making same'20147,585,359'Air filtration media comprising metal-doped silicon-based gel and/or zeolite materials treated with nitric acid and/or potassium persulfate'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2015Patents assigned to HUBER CORP J M (2)· patent assignee history
2009Based in Bel Air, MD, US· patent location history
2014Patents assigned to LANDRY CHRISTOPHER C (1)· patent assignee history
2014Patents assigned to NASSIVERA TERRY W (1)· patent assignee history
2014Based in Colchester, VT, US· patent location history
2015Based in North East, MD, US· patent location history
2019Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2019–2021Based in Gambrills, MD, US· patent location history
2021Patents assigned to EVONIK OPERATIONS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUBER CORP J M | 2 | 2009–2015 |
| EVONIK DEGUSSA GMBH | 1 | 2019 |
| EVONIK OPERATIONS GMBH | 1 | 2021 |
| LANDRY CHRISTOPHER C | 1 | 2014 |
| NASSIVERA TERRY Wself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gambrills, Maryland, US | 3 | 2019–2021 |
| North East, Maryland, US | 1 | 2015 |
| Colchester, VT, US | 1 | 2014 |
| Bel Air, Maryland, US | 1 | 2009 |