Inventor

Bart J. Bremmer

Inventor

Ashland, MA, US

Overview

6→

Patents

1981–1982

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary

C07DHeterocyclic compounds33%

C10MLubricating compositions22%

C07CAcyclic or carbocyclic compounds11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

PatentTitleYear

4,365,073'Derivatives of cyano-substituted ketones and aldehydes'1982 4,331,549'Hydraulic fluids containing cyano derivatives of ketones'1982 4,322,538'Preparation of symmetrical tetrachloropyridine'1982 4,321,389'Process for preparing 4-bromotetrachloropyridine'1982 4,320,024'Hydraulic fluids containing cyano derivatives of cyclic ketals and acetals'1982 4,299,777'Preparation of cyano acetals'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to DOW CHEMICAL CO (6)· patent assignee history

1981–1982Based in Ashland, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DOW CHEMICAL CO	6	1981–1982

Locations

Location	Patents	Span
Ashland, Massachusetts, US	6	1981–1982