Multivalent Molecular Imaging and Targeted Drug Delivery for Extreme Environments

Publication ID: 24-11857648_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Multivalent Molecular Imaging and Targeted Drug Delivery for Extreme Environments,” Published Technical Disclosure No. 24-11857648_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857648_0004_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. 11,857,648.

Summary of the Inventive Concept

This inventive concept adapts multivalent molecular imaging and targeted drug delivery compounds for specific, narrow markets or unique operational environments, such as high-security needs, disaster relief, or extreme weather conditions.

Background and Problem Solved

The original patent disclosed multivalent molecular imaging and targeted drug delivery compounds, but these compounds may not be suitable for extreme environments. The new inventive concept addresses the limitations of the original patent by providing compounds and systems that can withstand and operate effectively in high-security, disaster relief, or extreme weather conditions.

Detailed Description of the Inventive Concept

The new inventive concept includes a system for molecular imaging in extreme weather conditions, comprising a compound with a chelator resistant to degradation by high winds and heavy rainfall. Additionally, a method for targeted drug delivery in disaster relief scenarios involves administering a compound with a detectable label that is a radioisotope with a short half-life. A kit for high-security molecular imaging includes a compound with a proprietary, high-sensitivity fluorophore. Furthermore, a method for molecular imaging in high-altitude environments involves administering a compound with a dye molecule resistant to degradation by low oxygen levels. Lastly, a system for molecular imaging in extreme temperature conditions includes a compound with a thermally stable spacer.

Novelty and Inventive Step

The new inventive concept provides novel and non-obvious adaptations of the original compounds for specific, narrow markets or unique operational environments. The inventive step lies in the selection and combination of components to create compounds and systems that can withstand and operate effectively in extreme environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different chelators, detectable labels, or dye molecules tailored to specific extreme environments. Variations could also involve the development of new compounds or systems that integrate multiple components to achieve optimal performance in extreme conditions.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in industries such as disaster relief, high-security, and extreme environment exploration. The ability to provide effective molecular imaging and targeted drug delivery in these contexts could lead to improved outcomes and new business opportunities.

CPC Classifications

SectionClassGroup
A A61 A61K51/082
A A61 A61K9/51
A A61 A61K47/6893
A A61 A61K51/1027
C C07 C07D255/02
C C07 C07D257/02
C C07 C07K7/06
C C07 C07K7/64
C C07 C07K16/30
G G01 G01N33/5008
G G01 G01N33/60
C C07 C07K2319/00

Field of Art

Molecular imaging, radiopharmaceuticals, and targeted drug delivery systems, involving complex chemical compounds with peptides, chelators, and detectable labels across medical diagnostics and therapeutic applications

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced degrees in chemistry, biochemistry, or pharmaceutical sciences, possessing expertise in designing molecular imaging compounds, understanding radioisotope chemistry, and developing targeted drug delivery systems

Obviousness Rationale

A PHOSITA would recognize that adapting molecular imaging compounds for specific environmental conditions represents a predictable engineering variation within the established technological framework of the source patent. The disclosed variations involve routine optimization of known chemical components using standard design strategies familiar to those skilled in molecular imaging technologies. The combinations represent logical extensions of existing knowledge about compound design and performance characteristics.

Obvious Combinations & Variations

Source Patent Element
Compound with chelator and peptide components
PTD Variation
Selecting chelators with enhanced environmental resistance for extreme weather conditions
Obviousness Reasoning
Choosing chemically stable chelator variants is a predictable design choice for expanding compound utility across different operational environments
Source Patent Element
Multiple detectable labels including radioisotopes
PTD Variation
Utilizing radioisotopes with short half-lives for specific targeted delivery scenarios
Obviousness Reasoning
Selecting radioisotope labels based on specific application requirements represents a known technique in molecular imaging design
Source Patent Element
Dye molecules for detection
PTD Variation
Developing proprietary high-sensitivity fluorophores for specialized imaging applications
Obviousness Reasoning
Modifying fluorescent labels to enhance sensitivity is a standard approach in molecular imaging technology
Source Patent Element
Compound with spacer components
PTD Variation
Designing thermally stable spacers for extreme temperature environments
Obviousness Reasoning
Creating chemically robust spacer molecules is a routine engineering task for expanding compound performance ranges
Source Patent Element
Multivalent molecular imaging compounds
PTD Variation
Adapting compounds for specific narrow market applications like disaster relief and high-security scenarios
Obviousness Reasoning
Tailoring molecular imaging technologies for specialized use cases represents a predictable innovation within the established technological domain
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857648, the variations disclosed herein would be considered obvious to a person having ordinary skill in the art of molecular imaging and targeted drug delivery. The combinations represent routine optimization of known chemical components, utilizing predictable design strategies within the established technological framework of multivalent molecular imaging compounds. Consequently, any patent claims substantially similar to these disclosed variations would be rendered obvious by the combination of the source patent and the present technical disclosure.

Original Patent Information

Patent NumberUS 11,857,648
TitleDimerization strategies and compounds for molecular imaging and/or radioimmunotherapy
Assignee(s)UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION