Inventor

Rosenkranz George

Patents indexed

Year range

1956

Associated with

Years active

1956

Total patents

Most recent

1956

Frequent collaborator

Djerassi Carl

Domains

biotechpharmaceutical

Activity by decade

1950s

Patents

Career timeline

1 patents, in 1956

Dot size = forward citations

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

The Chemical Discovery Behind the First Oral Contraceptive Pill

A 1952 patent for a synthetic hormone that became the active ingredient in the first effective oral contraceptive pill.

Patent monitoring

Get a weekly digest when new patents naming Rosenkranz George are indexed.