Last Updated: November 8, 2026

Details for Patent: 3,968,249

Name: Drug Patent Intelligence for US Patent 3968249
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Summary for Patent: 3,968,249

Title:	Method of treating malignant neoplastic disease
Abstract:	This invention relates to pharmaceutical preparations and the method of utilizing them in the treatment of malignant neoplastic diseases. The administration of hydroxyurea or 1-ethyl-1-hydroxyurea has been found to be effective for the amelioration of the symptoms of various forms of leukemia, carcinoma or sarcoma in various organs of the body.
Inventor(s):	Jack Bernstein, Barbara Stearns
Assignee:	ER Squibb and Sons LLC
Application Number:	US04/729,450
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Drugs Protected by US Patent 3,968,249

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

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