Inventor

Chien M. Wai

Inventor
Moscow, ID, US

Overview

28→
Patents
1984–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Pprimary
Y02PClimate change mitigation technologies in the production or processing of goods13%
C22BProduction and refining of metals11%
B01DSeparation9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
C23CCoating metallic material6%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B08BCleaning in general4%
B09CReclamation of contaminated soil4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,570,027Converting acrylic fibers to amidoxime-carboxylate containing polymer adsorbents for sequestering uranium and other elements from water202010,533,239Methods of recovering rare earth elements from a material20209,676,944'Methods of increasing the solubility of materials in supercritical carbon dioxide'20178,912,238'Compositions comprising supercritical carbon dioxide and metallic compounds'20148,241,708'Formation of insulator oxide films with acid or base catalyzed hydrolysis of alkoxides in supercritical carbon dioxide'20127,897,517'Method of selectively depositing materials on a substrate using a supercritical fluid'20117,686,865'Method and system for recovering metal from metal-containing materials'20107,582,561'Method of selectively depositing materials on a substrate using a supercritical fluid'20097,423,345'Semiconductor constructions comprising a layer of metal over a substrate'20087,400,043'Semiconductor constructions'20087,341,947'Methods of forming metal-containing films over surfaces of semiconductor substrates'20087,128,840'Ultrasound enhanced process for extracting metal species in supercritical fluids'20066,653,236'Methods of forming metal-containing films over surfaces of semiconductor substrates; and semiconductor constructions'20036,524,628'Pressurized water extraction'20036,187,911'Method for separating metal chelates from other materials based on solubilities in supercritical fluids'20016,132,491'Method and apparatus for dissociating metals from metal compounds extracted into supercritical fluids'20006,117,413'Radionuclide-binding compound, a radionuclide delivery system, a method of making a radium complexing compound, a method of extracting a radionuclide, and a method of delivering a radionuclide'20006,075,130'Ion binding compounds, radionuclide complexes, methods of making radionuclide complexes, methods of extracting radionuclides, and methods of delivering radionuclides to target locations'20005,965,025'Fluid extraction'19995,840,193'Fluid extraction using carbon dioxide and organophosphorus chelating agents'19985,792,357'Method and apparatus for back-extracting metal chelates'19985,770,085'Extraction of metals and/or metalloids from acidic media using supercritical fluids and salts'19985,730,874'Extraction of metals using supercritical fluid and chelate forming legand'19985,606,724'Extracting metals directly from metal oxides'19975,356,538'Supercritical fluid extraction'19945,274,129'Hydroxamic acid crown ethers'19935,225,173'Methods and devices for the separation of radioactive rare earth metal isotopes from their alkaline earth metal precursors'19934,475,993'Extraction of trace metals from fly ash'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2020Based in Moscow, ID, US· patent location history
1993–2017Patents assigned to IDAHO RES FOUND (19)· patent assignee history
2000–2020Patents assigned to BATTELLE MEMORIAL INSTITUTE (3)· patent assignee history
2003–2017Patents assigned to MICRON TECHNOLOGY INC (9)· patent assignee history
2012–2020Patents assigned to WAI CHIEN M (3)· patent assignee history
2017–2020Patents assigned to UNIV OF IDAHO (3)· patent assignee history
2020Based in Seattle, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDAHO RES FOUND191993–2017
MICRON TECHNOLOGY INC92003–2017
BATTELLE MEMORIAL INSTITUTE32000–2020
UNIV OF IDAHO32017–2020
WAI CHIEN Mself32012–2020
Locations
LocationPatentsSpan
Moscow, ID, US271984–2020
Seattle, Washington, US12020