Portfolio comparison
Warner Lambert Co LLC vs Amgen Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Warner Lambert Co LLC
Patents indexed
2
Year range
1987 – 1993
Most recent
1993
pharmaceuticalbiotech
Top Patents2 enriched
US 5273995· 1993
How a Cholesterol-Lowering Drug Molecule Was Patented
US 4681893· 1987
The Chemical Formula for Atorvastatin, the Active Ingredient in Lipitor
Activity by Decade
1980s1
1990s1
Top Patents1 enriched
US 5574018· 1996
Using Vitamin B12 to Help Proteins Survive the Human Digestive System
Activity by Decade
1990s1
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