Radiopaque Materials for Additive Manufacturing and Biomedical Applications

Publication ID: 24-11857649_0005_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Radiopaque Materials for Additive Manufacturing and Biomedical Applications,” Published Technical Disclosure No. 24-11857649_0005_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857649_0005_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. 11,857,649.

Summary of the Inventive Concept

The present invention envisions a next-generation radiopaque material for biomedical applications, leveraging additive manufacturing and hybrid manufacturing techniques to achieve unprecedented customization, precision, and performance.

Background and Problem Solved

The original patent disclosed a curable and radiopaque substance, but its limitations in terms of manufacturing and customization capabilities hinder its widespread adoption. The present inventive concept addresses these limitations by integrating additive manufacturing and hybrid manufacturing techniques to produce complex, customized radiopaque products with tunable density and properties.

Detailed Description of the Inventive Concept

The new inventive concept comprises a system for generating customized, radiopaque materials using additive manufacturing processes, a method for producing complex, radiopaque products using a combination of 3D printing and machining techniques, and a radiopaque material produced by polymerizing a curable substance comprising a polymerizable monomer and a radiopaque compound. The inventive concept also includes a computer-aided design system for designing and optimizing radiopaque products, as well as a hybrid manufacturing process for producing radiopaque products.

Novelty and Inventive Step

The new claims introduce a paradigm shift by integrating additive manufacturing and hybrid manufacturing techniques with radiopaque materials, enabling unprecedented customization, precision, and performance. The inventive concept's novelty lies in the combination of these technologies to produce complex, customized radiopaque products with tunable density and properties.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different additive manufacturing techniques, such as stereolithography or selective laser sintering, or the integration of other manufacturing techniques, such as casting or injection molding. Variations of the inventive concept could also involve the use of different radiopaque compounds or polymerizable monomers to achieve specific properties or characteristics.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the biomedical industry, particularly in the development of customized implants, surgical guides, and diagnostic tools. The market for radiopaque materials is expected to grow significantly in the coming years, driven by the increasing demand for personalized medicine and minimally invasive surgical procedures.

CPC Classifications

SectionClassGroup
A A61 A61K6/70
A A61 A61K6/847
A A61 A61K6/887
C C08 C08F220/12

Field of Art

Biomedical materials and additive manufacturing, specifically focusing on radiopaque polymeric compositions with applications in dental, medical device, and imaging technologies

Person of Ordinary Skill (PHOSITA) Profile

A materials scientist or biomedical engineer with expertise in polymer chemistry, 3D printing technologies, and medical material design, holding advanced degrees and practical experience in developing customized functional materials

Obviousness Rationale

A PHOSITA would recognize that the PTD's integration of additive manufacturing with radiopaque material design represents a natural progression of the source patent's foundational composition teachings. The combination of known polymerizable monomers, radiopaque compounds, and advanced manufacturing techniques represents an expected evolutionary step in material design. The disclosed variations demonstrate predictable applications of established principles in polymer science and manufacturing technologies.

Obvious Combinations & Variations

Source Patent Element
Curable substance with polymerization monomers and radiopaque compounds
PTD Variation
Applying the composition specifically to 3D printing and additive manufacturing processes
Obviousness Reasoning
Adapting known material compositions to emerging manufacturing techniques represents a routine design choice for a PHOSITA seeking enhanced production methods
Source Patent Element
Acrylic and methacrylic acid derivatives as polymerizable monomers
PTD Variation
Utilizing these monomers in computer-aided design systems for predicting material properties
Obviousness Reasoning
Computational modeling of material characteristics is a standard engineering approach for optimizing polymer formulations
Source Patent Element
Radiopaque compounds including strontium, zirconium, and barium
PTD Variation
Integrating these compounds into hybrid manufacturing processes with machining techniques
Obviousness Reasoning
Combining multiple manufacturing approaches to achieve precision and desired material properties is a predictable innovation for a skilled practitioner
Source Patent Element
Polymerizable monomers with radiopaque additives
PTD Variation
Creating tunable density materials for specific biomedical applications
Obviousness Reasoning
Tailoring material properties for specialized medical uses represents a standard approach in biomaterials engineering
Source Patent Element
Chemical composition of curable radiopaque substances
PTD Variation
Implementing advanced manufacturing techniques like stereolithography and selective laser sintering
Obviousness Reasoning
Applying established material compositions to emerging manufacturing technologies represents a predictable technological progression
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857649 and the disclosed variations, a person of ordinary skill in the art would find the claimed innovations obvious, as the combination of known radiopaque material compositions with advanced manufacturing techniques represents a predictable extension of existing technological capabilities, thereby rendering subsequent claims obvious under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,649
TitleCurable radiopaque substance
Assignee(s)Merz Dental GmbH