Inventor
David M. Chapman
Inventor
Ellicott City, MD, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
B01DSeparation13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
B41MPrinting, duplicating, marking, or copying processes5%
C01BNon-metallic elements5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
Y10TTechnical subjects covered by former us classification4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
PatentTitleYear
11,101,829Receiver with multi-spectrum parallel amplification20219,421,519'Silica-stabilized ultrafine anatase titania, vanadia catalysts, and methods of production thereof'20169,365,664'Catalyst on silica clad alumina support'20169,108,185'Catalyst support materials, catalysts, methods of making them and uses thereof'20158,900,536'Catalyst support materials, catalysts, methods of making them and uses thereof'20148,673,806'Catalyst on silica clad alumina support'20148,617,502'Ce containing, V-free mobile denox catalyst'20138,545,796'Silica-stabilized ultrafine anatase titania, vanadia catalysts, and methods of production thereof'20138,507,405'Stable sub-micron titania sols'20138,481,452'Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system'20138,481,453'Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system'20138,466,284'Some 2-pyrazinone derivatives and their use as inhibitors of neutrophile elastase'20138,247,343'Stable sub-micron titania sols'20128,183,251'Hydantoin compounds and pharmaceutical compositions thereof'20128,076,263'Sulfur tolerant alumina catalyst support'20117,393,571'Formulation suitable for ink receptive coatings'20086,841,609'Formulation suitable for ink receptive coatings'20056,818,685'Ink-receptive coatings and recording medium prepared therefrom'20046,780,920'Formulation suitable for ink receptive coatings'20046,380,265'Dispersion of fine porous inorganic oxide particles and processes for preparing same'20025,330,736'Zeolite L synthesis and resulting product'19945,236,880'Catalyst for cracking of paraffinic feedstocks'19935,157,183'Aromatization process using an improved catalyst'19925,151,780'Differential amplifiers'19925,015,453'Crystalline group IVA metal-containing molecular sieve compositions'19914,564,212'Baby stroller and frame structure therefor'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2016Patents assigned to CHAPMAN DAVID M (9)· patent assignee history
1986Based in Denver, CO, US· patent location history
1991–2016Patents assigned to GRACE W R & CO (11)· patent assignee history
1991–2016Based in Ellicott City, MD, US· patent location history
1992Based in Southampton, GB· patent location history
2012–2013Patents assigned to ASTRAZENECA AB (2)· patent assignee history
2012–2013Patents assigned to CHAPMAN DAVID (2)· patent assignee history
2012–2013Based in Lund, SE· patent location history
2013–2016Patents assigned to CRISTAL USA INC (6)· patent assignee history
2021Based in Fountain Valley, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 11 | 1991–2016 |
| CHAPMAN DAVID Mself | 9 | 1986–2016 |
| CRISTAL USA INC | 6 | 2013–2016 |
| ASTRAZENECA AB | 2 | 2012–2013 |
| CHAPMAN DAVIDself | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ellicott City, Maryland, US | 21 | 1991–2016 |
| Lund, SE | 2 | 2012–2013 |
| Fountain Valley, California, US | 1 | 2021 |
| Southampton, GB | 1 | 1992 |
| Denver, CO, US | 1 | 1986 |