Specialized Thiosuccinyl-Crosslinked Hemoglobin Conjugates for Niche Environments

Publication ID: 24-11857605_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Thiosuccinyl-Crosslinked Hemoglobin Conjugates for Niche Environments,” Published Technical Disclosure No. 24-11857605_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857605_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. 11,857,605.

Summary of the Inventive Concept

This inventive concept adapts thiosuccinyl-crosslinked hemoglobin conjugates for specific, narrow markets or unique operational environments, such as disaster relief, high-security needs, extreme weather conditions, remote or isolated locations, and high-altitude environments.

Background and Problem Solved

The original patent disclosed pegylated thiosuccinyl-crosslinked hemoglobin conjugates for repeated doses or prolonged exposure. However, these conjugates may not be suitable for specific, high-stress environments. This inventive concept addresses the limitations of the original patent by developing conjugates tailored to unique operational environments, ensuring optimal performance and safety in these contexts.

Detailed Description of the Inventive Concept

The new inventive concept involves formulating thiosuccinyl-crosslinked hemoglobin conjugates to meet the specific demands of niche environments. For example, conjugates for disaster relief may be designed to withstand extreme temperatures, while those for high-security needs may be formulated to minimize detection risk. Conjugates for remote or isolated locations may be packaged in portable, self-contained units, and those for high-altitude environments may be designed to compensate for the effects of high altitude on oxygen delivery. The new claims provide a range of specialized solutions, each tailored to the unique challenges of its target environment.

Novelty and Inventive Step

The new inventive concept introduces novel formulations and packaging strategies that are specifically adapted to unique operational environments. These adaptations are non-obvious and provide a significant advantage over the original patent, which did not consider these specialized applications.

Alternative Embodiments and Variations

Alternative embodiments may include conjugates for other niche environments, such as tropical or desert regions, or for use in specific industries, such as aerospace or search and rescue. Variations may include different polymer or linker combinations, or alternative crosslinking moieties, to further optimize performance in specific contexts.

Potential Commercial Applications and Market

The specialized thiosuccinyl-crosslinked hemoglobin conjugates have significant commercial potential in various industries, including disaster relief, high-security operations, remote or isolated location services, and high-altitude industries. The market for these conjugates is substantial, with potential customers including government agencies, private security firms, and organizations operating in extreme environments.

CPC Classifications

SectionClassGroup
A A61 A61K38/42
A A61 A61K47/542
A A61 A61K47/545
A A61 A61K47/60
A A61 A61P9/10

Field of Art

Biomedical engineering, specifically protein conjugation and hemoglobin modification for medical applications, with expertise in polymer chemistry, protein engineering, and pharmaceutical formulation

Person of Ordinary Skill (PHOSITA) Profile

A researcher or engineer with advanced degrees in biochemistry or biomedical engineering, experienced in protein modification techniques, polymer conjugation, and understanding of drug delivery systems, familiar with PEG conjugation strategies and hemoglobin stabilization methods

Obviousness Rationale

A person having ordinary skill in the art would recognize that the source patent's fundamental thiosuccinyl-crosslinked hemoglobin conjugate technology provides a versatile platform for environmental and application-specific modifications. The PTD's variations represent predictable extensions of the core technology by applying known polymer conjugation and formulation techniques to specific use contexts. These adaptations would be considered routine optimization within the skill set of a biomedical engineer specializing in protein conjugation and drug delivery systems.

Obvious Combinations & Variations

Source Patent Element
Polyethylene glycol (PEG) conjugation to tetrameric hemoglobin with thiosuccinyl crosslinking
PTD Variation
Specialized formulations for extreme environments like disaster relief and high-altitude settings
Obviousness Reasoning
A PHOSITA would recognize that modifying polymer molecular weight, crosslinking density, and conjugation strategy to suit specific environmental conditions represents a predictable design choice within known protein engineering techniques
Source Patent Element
Water-soluble polymer attachment methods described in source patent claims
PTD Variation
Portable, self-contained unit packaging for remote location administration
Obviousness Reasoning
Adapting delivery mechanisms is a standard engineering approach for extending pharmaceutical technologies to new use contexts, representing an obvious variation to a skilled practitioner
Source Patent Element
Thiosuccinyl crosslinking moiety with flexible polymer attachment
PTD Variation
Conjugates designed to minimize detection in high-security environments
Obviousness Reasoning
Modifying molecular properties to achieve stealth or reduced immunogenicity is a well-established strategy in protein engineering, representing a predictable optimization of the base technology
Source Patent Element
Hemoglobin conjugate with polyalkylene glycol modifications
PTD Variation
Conjugates specifically adapted for oxygen delivery in high-altitude environments
Obviousness Reasoning
Adjusting hemoglobin conjugate properties to compensate for physiological challenges is a standard approach in biomedical engineering, representing an obvious extension of known protein modification techniques
Source Patent Element
Molecular weight range of 1,000 to 50,000 Daltons for PEG conjugation
PTD Variation
Emergency response formulations with rapid administration characteristics
Obviousness Reasoning
Selecting polymer characteristics to optimize drug delivery speed is a routine design choice within the known parameters of protein conjugation technology
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857605 and the disclosed variations, a person having ordinary skill in the art would find the claimed innovations obvious and anticipated. The fundamental thiosuccinyl-crosslinked hemoglobin conjugate technology provides a predictable platform for environmental and application-specific modifications, rendering the claimed variations obvious extensions of the prior art through routine engineering optimization.

Original Patent Information

Patent NumberUS 11,857,605
TitleThiosuccinyl-crosslinked hemoglobin conjugates and methods of use and preparation thereof
Assignee(s)Billion King International Limited