Inventor

Robert F. Czaja

Inventor

Scotch Plains, NJ, US

Overview

6→

Patents

1976–1990

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.

C07Cprimary

C07CAcyclic or carbocyclic compounds50%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium25%

A61KPreparations for medical, dental or toiletry purposes13%

C07DHeterocyclic compounds13%

PatentTitleYear

4,914,222'Crystalline salts of L or (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine esters and process'1990 4,233,457'Process for preparing indenyl acetic acids'1980 4,121,041'7-(Amidinothio)acetamido-7-methoxy cephalosporins'1978 3,970,693'Process for preparing indene acetic acids'1976 3,953,520'Chemical compounds and processes'1976 3,944,600'Indenylidene-3-acetic acid process for preparing indene acetic acids'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Patents assigned to MERCK & CO INC (6)· patent assignee history

1976–1990Based in Scotch Plains, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK & CO INC	6	1976–1990

Locations

Location	Patents	Span
Scotch Plains, New Jersey, US	6	1976–1990