LexDanaLexDanabeta
Inventor

Richard E. Crooks

Inventor
Bay City, MI, US

Overview

2→
Patents
1982
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Dprimary
C07DHeterocyclic compounds67%
Y02PClimate change mitigation technologies in the production or processing of goods33%
PatentTitleYear
4,322,538'Preparation of symmetrical tetrachloropyridine'19824,321,389'Process for preparing 4-bromotetrachloropyridine'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to DOW CHEMICAL CO (2)· patent assignee history
1982Based in Bay City, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO21982
Locations
LocationPatentsSpan
Bay City, MI, US21982