Gayda Hanna

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Berwyn, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Controlled release dosage forms comprising hydroxypropylmethylcellu...
- Patent number 4,695,591
- Issue date Sep 22, 1987
- Schering Corporation
- Gayda Hanna
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Controlled release dosage form comprising acetaminophen, pseudoephe...
- Patent number 4,657,757
- Issue date Apr 14, 1987
- Schering Corporation
- Gayda Hanna
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Controlled release dosage form comprising acetaminophen, pseudoephe...
- Patent number 4,601,894
- Issue date Jul 22, 1986
- Schering Corporation
- Gayda Hanna
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE