What is “crystalline penicillin”?
Crystalline penicillin refers to penicillin that has been produced in a solid, purified form and obtained as crystals. Penicillin itself is a group of beta-lactam antibiotics produced from the fungus Penicillium (historically) and later manufactured by industrial fermentation and purification.
How is crystalline penicillin different from other penicillin forms?
The key difference is physical form and purity: crystalline penicillin is isolated so the active drug is in a crystalline solid state after purification. Other preparations may be solutions, mixtures, or formulations designed for specific routes of administration (such as injectable forms) rather than being presented as a crystalline solid.
What is crystalline penicillin used for?
Crystalline penicillin has been used as an antibiotic to treat bacterial infections that are susceptible to penicillin. The exact indication depends on which specific penicillin (for example, penicillin G versus penicillin V) and the product’s formulation, because different penicillins and salt forms behave differently in the body and are approved for different types of infections.
Is crystalline penicillin still available today?
In current practice, many antibiotics are supplied as specific commercial penicillin products (often as salts or formulation-specific forms) rather than being marketed simply as “crystalline penicillin.” Whether a crystalline form is available depends on the country and the specific penicillin product being referenced.
Why do people ask about patents for “crystalline penicillin”?
Penicillin dates to the 1940s, so most, if not all, core penicillin manufacturing and early penicillin-related protections have long expired. Patent and exclusivity searches today are usually more relevant to modern penicillin derivatives, new formulations, or other antibiotics that compete in the same therapeutic space.
What sources track penicillin patents and exclusivity?
If you’re doing a patent or exclusivity lookup for a specific penicillin product name (not just the general phrase “crystalline penicillin”), DrugPatentWatch.com can help by aggregating patent/exclusivity information by drug product and active ingredient. [1]
Sources:
[1] https://www.drugpatentwatch.com/