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Macrophage targeting drug conjugates with mannose linker

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Summary

The USPTO published patent application US20260091117A1 for macrophage targeting drug conjugates developed by P.I.F. Entrepreneurs Ltd. The conjugates comprise a drug moiety, mannose moiety, and linker (hydrazone or oxime group) for targeted therapeutic delivery. Application No. 19411275 was filed December 7, 2025.

What changed

USPTO published patent application US20260091117A1 for novel macrophage targeting drug conjugates. The invention comprises three components: a drug moiety, a mannose moiety for macrophage targeting, and a linker connecting them, which may be a hydrazone group or oxime group. The application is classified under A61K 47/549 and A61P 37/06, indicating therapeutic compositions and immunology/anti-rejection applications. Assignee is P.I.F. Entrepreneurs Ltd. with five named inventors including Alec M. Goldberg and Samuel H. Goldberg.

This is a patent publication providing intellectual property protection for a drug delivery platform, not a regulatory compliance requirement. No immediate action is required from pharmaceutical manufacturers or drug developers unless they are engaged in similar research that may require licensing discussions or freedom-to-operate analysis. The patent grants the assignee exclusive rights to practice the claimed invention upon issuance.

Archived snapshot

Apr 2, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Applications

MACROPHAGE TARGETING DRUG CONJUGATES

Application US20260091117A1 Kind: A1 Apr 02, 2026

Assignee

P.I.F. Entrepreneurs Ltd.

Inventors

Alec M. GOLDBERG, Samuel H. GOLDBERG, James I. GOLDBERG, Isaiah Z. GOLDBERG, Michael M. GOLDBERG

Abstract

Described herein are novel, macrophage targeting drug conjugates. The macrophage targeting drug conjugates comprise a drug moiety, a mannose moiety, and a linker connecting the drug moiety and the mannose moiety. The linker may comprise a hydrazone group or an oxime group.

CPC Classifications

A61K 47/549 A61P 37/06

Filing Date

2025-12-07

Application No.

19411275

View original document →

Named provisions

Abstract Claims MACROPHAGE TARGETING DRUG CONJUGATES

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Last updated

Classification

Agency
USPTO
Published
December 7th, 2025
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US20260091117A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent filings Drug development Therapeutic delivery systems
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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