Inventor
Smarajit Mitra
Inventor
West St. Paul, MN, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes15%
A61QSpecific use of cosmetics or similar toiletry preparations13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
A47JKitchen equipment3%
A61MDevices for introducing media into, or onto, the body3%
B05BSpraying apparatus3%
PatentTitleYear
9,700,684'Medical delivery devices and methods for applying a barrier composition to a targeted skin surface'20179,314,601'Medical delivery devices and methods for applying a barrier composition to a targeted skin surface'20169,028,884'Medical delivery devices and methods for applying a barrier composition to a targeted skin surface'20158,607,921'Hearing protection process and device'20137,915,211'Solid cleaners for heated food preparation surfaces'20117,204,365'Conveyor belt cleaning system'20077,114,610'Conveyor belt cleaning system'20067,055,675'Conveyor belt cleaning system'20066,562,324'Polymers in cosmetics and personal care products'20035,854,308'Water-based pigmented inks having silicone-containing polymer incorporated therein'19985,725,882'Vinyl-silicone copolymers in cosmetics and personal care products'19985,468,477'Vinyl-silicone polymers in cosmetics and personal care products'19955,442,089'Preparation of monocarbamate diols'19955,433,953'Microcapsules and methods for making same'1995RE034958'Polysiloxane-grafted copolymer topical binder composition with novel hydrophilic monomers and method of coating therewith'1995RE034902'Polysiloxane-grafted copolymer non-pressure sensitive topical binder composition and method of coating therewith'19955,212,015'Coated substrates comprising polymers derived from monocarbamate diols'19935,209,924'Polysiloxane-grafted copolymer topical binder composition with novel fluorochemical comonomer and method of coating therewith'19935,163,060'Second harmonic generator comprising an NLO-active polymer derived from monocarbamate diols'19925,154,762'Universal water-based medical and dental cement'19925,093,456'Monocarbamate diols, polymers derived from them and NLO-active materials therefrom'19925,021,477'Polysiloxane-grafted copolymer topical binder composition with novel hydrophilic monomers and method of coating therewith'19914,988,506'Polysiloxane-grafted copolymer non-pressure sensitive topical binder composition and method of coating therewith'19914,981,903'Polysiloxane-grafter copolymer topical binder composition with novel hydrophilic monomers and method of coating therewith'19914,981,902'Polysiloxane-grafted copolymer non-pressure sensitive topical binder composition and method of coating therewith'19914,972,037'Polysiloxane-grafted copolymer topical binder composition with novel fluorochemical comonomer and method of coating therewith'19904,831,109'Copolymerizable UV stabilizers'19894,792,506'Polymerizable compositions containing iodonium photoinitiators and photosensitizers therefor'19884,791,045'Photosensitizers and polymerizable compositions with mannich bases and iodonium salts'19884,777,217'Methacrylamide functional polymers and method'19884,691,059'Copolymerizable UV stabilizers'19874,477,635'Polymeric triarylmethane dyes'19844,337,303'Transfer, encapsulating, and fixing of toner images'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2003Patents assigned to MINNESOTA MINING & MFG (25)· patent assignee history
1982–1989Based in Woodbury, MN, US· patent location history
1988–1991Based in St. Paul, MN, US· patent location history
1990–2017Based in West St. Paul, MN, US· patent location history
2006–2013Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
2006–2013Based in West Saint Paul, MN, US· patent location history
2013Patents assigned to ALOSHYNA EP LESUFFLEUR MARIE (1)· patent assignee history
2013Patents assigned to BERKER ALI (1)· patent assignee history
2015–2017Patents assigned to Preventamedics LLC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 25 | 1982–2003 |
| 3M INNOVATIVE PROPERTIES CO | 5 | 2006–2013 |
| Preventamedics LLC | 3 | 2015–2017 |
| ALOSHYNA EP LESUFFLEUR MARIE | 1 | 2013 |
| BERKER ALI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| West St. Paul, Minnesota, US | 21 | 1990–2017 |
| Woodbury, Minnesota, US | 6 | 1982–1989 |
| West Saint Paul, Minnesota, US | 4 | 2006–2013 |
| St. Paul, Minnesota, US | 2 | 1988–1991 |