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Inventor

William Schroeder

Inventor
Champaign, IL, US

Overview

4→
Patents
1977–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C12Nprimary
C12NMicroorganisms or enzymes20%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture20%
C22BProduction and refining of metals20%
E21CMining or quarrying20%
H03FAmplifiers20%
PatentTitleYear
10,480,018Genus of epimerase enzymes for conversion of fructose to allulose at high temperature and low pH20194,358,160'Air diversion and dust control system for longwall shearers'19824,293,529'Process for recovering uranium from wet-process phosphoric acid using alkyl pyrophosphoric acid extractants'19814,028,637'Parametrically-stable negative resistance diode circuit'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1977Based in Coopersburg, PA, US· patent location history
1981Patents assigned to URANIUM RECOVERY CORP (1)· patent assignee history
1981Based in Lakeland, FL, US· patent location history
1982Patents assigned to US INTERIOR (1)· patent assignee history
1982Based in Belmont, MA, US· patent location history
2019Patents assigned to ARCHER DANIELS MIDLAND CO (1)· patent assignee history
2019Based in Champaign, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARCHER DANIELS MIDLAND CO12019
BELL TELEPHONE LABOR INC11977
URANIUM RECOVERY CORP11981
US INTERIOR11982
Locations
LocationPatentsSpan
Champaign, Illinois, US12019
Belmont, Massachusetts, US11982
Lakeland, Florida, US11981
Coopersburg, Pennsylvania, US11977