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Inventor

Adrian P. Humphries

Inventor
Claremont, CA, US

Overview

3→
Patents
1982–1985
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 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 chemistry43%
C01BNon-metallic elements29%
C10GCracking hydrocarbon oils14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
4,512,961'Dealumination of faujasite-type zeolites using ion exchange resins'19854,459,271'Process for the exchange of crystalline zeolites'19844,325,847'Use of additional alumina for extra zeolite stability in FCC catalyst'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to FILTROL CORP (1)· patent assignee history
1982–1985Based in Claremont, CA, US· patent location history
1984Patents assigned to HARSHAW FILTROL PARTNERSHIP (1)· patent assignee history
1985Patents assigned to HARSHAW FILTROL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FILTROL CORP11982
HARSHAW FILTROL11985
HARSHAW FILTROL PARTNERSHIP11984
Locations
LocationPatentsSpan
Claremont, California, US31982–1985