Last Updated: November 8, 2026

Details for Patent: 3,576,883

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

« Back to Dashboard

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

Glossary

Subscribe to access the full database, or Start Trial
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

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.