Last Updated: June 9, 2026

Details for Patent: 3,576,883

Name: Drug Patent Intelligence for US Patent 3576883
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Summary for Patent: 3,576,883

Title:	Alkylidenedithiobisphenols
Abstract:	COMPOUNDS HAVING THE GENERAL FORMULA: ((3-R1,4-(HO-),5-(C4H9-)PHENYL)-S)2-C(-R2)-CH3 WHERE R1 IS AN ALKYL RADICAL CONTAINING FROM 1 TO 4 CARBON ATOMS, AND R2 IS EITHER HYDROGEN OR AN ALKYL RADICAL CONTAINING FROM 1 TO 3 CARBON ATOMS, PROVIDED THAT WHEN R1 IS METHYL, R2 IS ALSO METHYL. AN EXAMPLE OF THE COMPOUNDS OF THIS INVENTION IS ONE REPRESENTED BY THE FOLLOWING FORMULA: ((3,5-BIS(C4H9-),4-(HO-)PHENYL)-S)2-C(-CH3)2 THE COMPOUNDS ARE USEFUL FOR REDUCING BLOOD CHOLESTEROL IN WARM-BLOODED ANIMALS.
Inventor(s):	Martin B Neuworth
Assignee:	Consolidation Coal Co
Application Number:	US837956A
Patent Claim Types: see list of patent claims
Patent landscape, scope, and claims:	U.S. Patent 3,576,883: Scope, Claim Coverage, and Patent Landscape (US Drug Patent) Executive summary U.S. Patent 3,576,883 is an older, pre–Hatch-Waxman-era patent with enforceable scope defined primarily by its independent claim(s) and any dependent claim limitations. The claim “shape” determines whether the patent primarily protects a chemical entity, a composition/formulation, a method of preparation, a method of treatment, or a use/dosage regimen. A complete claim-by-claim infringement and freedom-to-operate map depends on the actual claim text of 3,576,883. The prompt does not include the claims beyond “The claims are:”, so a scope-and-landscape analysis cannot be produced without the missing claim content. No analysis is provided because the claim set was not included. More… ↓ ⤷ Start Trial

Drugs Protected by US Patent 3,576,883

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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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