Enhanced Blister Pack for Medicinal Products with Improved Safety and Efficiency

Publication ID: 24-11857493_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Blister Pack for Medicinal Products with Improved Safety and Efficiency,” Published Technical Disclosure No. 24-11857493_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857493_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,493.

Summary of the Inventive Concept

An improved blister pack design that enhances product safety, ease of use, and production efficiency, while providing controlled release of medicinal substances over a predetermined period.

Background and Problem Solved

The original blister pack design had limitations in terms of sharp edges, product removal difficulties, and limited storage capacity. The new inventive concept addresses these limitations by introducing rounded corner shapes, tapered walls, and recessed areas, ensuring improved product safety and user experience.

Detailed Description of the Inventive Concept

The enhanced blister pack comprises a bottom film with at least one blister pocket, featuring a rounded corner shape to reduce the risk of sharp edges. The blister pocket can also have a tapered wall shape, allowing for easier removal of the medicinal product. Additionally, a recessed area shape can be incorporated to increase storage capacity. A lidding film is sealed to the bottom film, and a strip of active material with a release function can be incorporated into the blister pocket for controlled release of medicinal substances over a predetermined period. The blister pack can be produced using a high-speed system, comprising a tool for forming the bottom film, a lidding film applicator, and a strip applicator.

Novelty and Inventive Step

The new inventive concept introduces novel shapes and designs for the blister pocket, such as rounded corners, tapered walls, and recessed areas, which provide improved product safety and user experience. The incorporation of a strip of active material with a release function enables controlled release of medicinal substances, which is not present in the original patent. These features represent a non-obvious improvement over the original design.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different shapes and sizes of the blister pocket, varying materials for the bottom film and lidding film, and different types of active materials with release functions. Additionally, the system for producing blister packs could be modified to accommodate different production speeds and capacities.

Potential Commercial Applications and Market

The enhanced blister pack design has significant commercial potential in the pharmaceutical industry, particularly for medicinal products requiring controlled release. The improved safety and efficiency features also make it attractive for use in hospitals and healthcare facilities. The high-speed production system could be marketed to pharmaceutical companies and contract manufacturers, enabling them to produce blister packs at a lower cost and with increased efficiency.

CPC Classifications

SectionClassGroup
A A61 A61J1/035
B B65 B65B47/04
B B65 B65D75/36

Field of Art

Medical packaging and pharmaceutical product containment, specifically blister pack design and manufacturing, involving expertise in materials science, packaging engineering, and pharmaceutical product protection

Person of Ordinary Skill (PHOSITA) Profile

A packaging engineer or pharmaceutical packaging specialist with knowledge of medical product containment, manufacturing processes, materials properties, and design optimization techniques, typically holding a bachelor's or master's degree in engineering or related scientific field

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents incremental design variations that naturally extend the source patent's core teachings about blister pack configurations. The proposed modifications like rounded corners, tapered walls, and recessed areas represent predictable design optimizations within the established framework of medical packaging technology. These variations solve known packaging challenges through straightforward geometric and structural modifications that would be apparent to a skilled practitioner seeking to improve product safety and usability.

Obvious Combinations & Variations

Source Patent Element
Bottom film with blister pockets surrounded by webs
PTD Variation
Introducing rounded corner shapes in blister pocket design
Obviousness Reasoning
Reducing sharp edges is a known safety technique in medical packaging, representing a predictable design choice to minimize potential patient injury risks
Source Patent Element
Basic blister pocket configuration
PTD Variation
Adding tapered wall shapes to facilitate easier product removal
Obviousness Reasoning
Modifying pocket geometry to improve product extraction is a standard engineering optimization technique with expected and predictable results
Source Patent Element
Bottom film with defined blister pocket structure
PTD Variation
Incorporating a recessed area to increase storage capacity
Obviousness Reasoning
Adjusting internal pocket geometry to maximize volume is a routine design modification within packaging engineering principles
Source Patent Element
Basic blister pack manufacturing process
PTD Variation
High-speed production system with integrated strip applicator
Obviousness Reasoning
Enhancing manufacturing efficiency through integrated tooling represents a standard industrial engineering approach to process optimization
Source Patent Element
Blister pocket with potential for additional components
PTD Variation
Incorporating a controlled-release active material strip
Obviousness Reasoning
Integrating functional materials into packaging is a known technique for adding pharmaceutical product performance features
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this published technical disclosure would be considered obvious to a person having ordinary skill in the art at the time of invention, when viewed in light of US Patent 11857493. The incremental design modifications represent predictable extensions of existing blister pack technology, employing known geometric and functional techniques to achieve improved medical product packaging performance through routine engineering optimization.

Original Patent Information

Patent NumberUS 11,857,493
TitleBlister pack for medicinal products and tool for producing the blister pack
Assignee(s)UHLMANN PAC-SYSTEME GMBH & CO. KG