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The Invent Farma Group’s differentiated products growth strategy allow us to be your manufacturing partner for single-dose units (BFS Technology)

Through one of our subsidiaries, Laboratorios Lesvi, the Invent Farma Group is able to offer Contract Manufacturing services to produce products in solution in preservative-free monodose containers for ophthalmic, otic and other applications.

The advantages to outsource your monodose manufacturing:


  • In-house manufacturing (Laboratorios Lesvi in Barcelona, Spain)
  • Liquid formulations for pharmaceutical, medical, chemical and cosmetic industry
  • Applications: Eye, ear and nose drops / Wound care and rinsing solutions / Disinfectants
  • Cost competitive:

  • Cost-effective manufacturing solution
  • Technical support:

  • R&D, scale-up and technology transfer
  • Validation batches & stability studies
  • Capacity:

  • Brand new fully dedicated BFS production line
  • Customer-oriented manufacturing volumes
  • Supply:

  • Adjustable lead times to our customer needs
    • Rommelag bottelpack® 460-20
    • PE and PP plastics
    • 25 cavities
    • Packaging: Flow-pack availability
    • Capacity of manufacturing up to 28,150 containers/hour
    • Filling volumes: currently 0.2 to 0.6 ml
    • Batch volumes: 100 L to 1370 L

    The innovative BFS process consists of a container which is formed, filled and sealed in a single process without the need of any external intervention in a self-contained system.

    BFS leaflet

    The benefits of the Blow-Fill-Seal Technology are:

    • State-of-the-art bottlepack system
    • Single-dose (monodose) dosage form
    • Sterile and preservative-free solution
    • Aseptically filling liquid system
    • Easy opening/closing (Twist-off cap)
    • Easy-to-use/portable monodose units
    • BFS manufacturing in a self-contained machine
    • Custom Manufacturing according to the client requirements: Flexibility