Inventor

John H. Dygos

Inventor

Northbrook, IL, US

Overview

9→

Patents

1976–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds25%

C07DHeterocyclic compounds25%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%

C07JSteroids17%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture8%

Y02PClimate change mitigation technologies in the production or processing of goods8%

PatentTitleYear

5,432,284'Process for the preparation of heterocyclic alkylamide derivatives'1995 5,252,763'Process for preparing prostaglandin analogs'1993 5,220,019'Process for the preparation of diethyl 2-]2-cyano-5-(dimethylamino)-2-(3-methoxyphenyl)-1,1-dimethylpentyl]prop andioate'1993 5,106,750'Enantio- and regioselective synthesis of organic compounds using enol esters as irreversible transacylation reagents'1992 5,104,990'Process for the preparation of 3-aryl-3-aminoalkyl-2,6-dioxohexahydropyridines'1992 5,055,604'Process for preparing prostaglandin analogs using organozirconium compounds'1991 4,125,544'20/22/23/24-Oxa-7-oxocholesterols and esters thereof'1978 4,008,257'2,2-Dimethyl-2-[(7,15 ,16,17-tetrahydro-17,17-dimethyl-6H-cyclopenta[a]phenanthren-3-yl)oxy]eth yl alkanedioates and intermediates thereto'1977 3,970,686'5-(1,2,3,4-Tetrahydro-6-methoxy-2-naphthyl )-2-hydroxy-1-methylcyclopentaneethanols and esters'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to SEARLE & CO (9)· patent assignee history

1976–1995Based in Northbrook, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEARLE & CO	9	1976–1995

Locations

Location	Patents	Span
Northbrook, Illinois, US	9	1976–1995