Logan Instruments


Designs, manufactures, sells, and services laboratory test instruments for pharmaceutical R&D, QC, and academic use with a focus on dissolution, permeation, transdermal diffusion, and inhalation testing. Manufactures instruments at facilities in Somerset, New Jersey (global HQ) and Shanghai, China and provides installation, validation, maintenance, training, and method development services.

Industries

Chemical Engineering
Manufacturing
Pharmaceutical
Usability Testing
Pharmaceutical Manufacturing

Nr. of Employees

medium (51-250)

Logan Instruments


Patents

Automated dissolution/permeation testing system

US-11668723-B2

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Dissolution tester assembly with integrated imaging system

US-11209410-B2

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Transdermal diffusion cell testing arrangements and methods

US-8322193-B2

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Products

Dissolution testers for USP Apparatus 1, 2, 5 and 6 (multi‑vessel configurations)

Manual and automated multi‑vessel dissolution testers (8–18 positions) supporting basket, paddle, paddle-over-disk, and rotating cylinder methods with method storage and programmable pH changes.

Reciprocating cylinder (USP Apparatus 3 and 7) systems

Automated reciprocating cylinder release-rate systems including sample holders and automated sampling controllers for USP Apparatus 3 and 7 applications.

Flow‑through (USP Apparatus 4) systems

Flow-through cell systems for suspension and flow-through dissolution testing and continuous sampling workflows.

Automated dissolution online analysis systems (UV/HPLC integration)

Modular automated systems providing sampling, replacement, dilution, UV or HPLC injection, online reading, data analysis and report generation for unattended dissolution testing.

Permeation systems (online and offline)

Systems for measuring intestinal and biomimetic-membrane permeability including flow-through flux cells and side-by-side small volume flux cells for permeability screening.

Transdermal diffusion flow‑through cell systems and dry‑heated transdermal cells

Flow-through diffusion cells and dry‑heated transdermal cells for topical and transdermal delivery testing across biomimetic membranes or skin samples.

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Services

Standardized on-site installation, commissioning, performance testing, and acceptance to ensure correct setup and readiness for use.

On-site and remote maintenance, cleaning, calibration, wear-part replacement, failure diagnosis and service reporting for laboratory instruments.

Installation qualification (IQ), operational qualification (OQ), performance verification testing (PVT) and audit-ready documentation to support regulatory compliance.

Tailored product upgrades, technical transformations and bespoke instrument configurations to meet specific experimental or workflow requirements.

Standardized and personalized training courses covering instrument operation, maintenance, troubleshooting, data analysis, and method development; hands-on workshops offered for end-users and distributors.

Support for development of in‑vitro dissolution, solubility and permeability methods, including nanoparticle and lipid‑separation approaches for LNPs and nanocrystalline drugs.

Expertise Areas

  • Dissolution and release-rate testing
  • Transdermal diffusion and topical testing
  • Permeation and permeability testing
  • Inhalation product testing (MDI, nasal sprays, aerosols)
  • Show More (5)

Key Technologies

  • USP dissolution apparatus (Apparatus 1, 2, 3, 4, 5, 6, 7)
  • Flow-through cell systems
  • Reciprocating cylinder apparatus
  • Automated online sampling and injection for UV/HPLC
  • Show More (6)

News & Updates

Announcement of the EPVT-1200 system launch.

Introduction of a new dry-heat series for dissolution Apparatus 1, 2, 5 and 6.

Company participation at CRS2025 in Philadelphia, USA.

Announcement of an upcoming webinar on dissolution testing and technical validation.

Publication announcing the company’s new corporate logo.

Method to separate lipid from active ingredient for LNP dissolution testing using a device compatible with reciprocating flow-through systems.

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