When was methyldopa patented?

When was methyldopa patented?

Methyldopa was patented in 1960. [1]

Why do patent dates differ sometimes (e.g., filing vs. publication)?

Patent “dates” can vary depending on whether you’re looking at the filing date, the publication date, or the date the patent was granted. The commonly cited patent year for methyldopa is 1960. [1]

What source tracks methyldopa’s patent timing?

DrugPatentWatch.com lists methyldopa’s patent information, including the year 1960. [1]

Sources:
[1] https://www.drugpatentwatch.com/p/methyldopa-patent