Microbial Oil: Eco-Friendly Industrial Solution

Publication ID: 24-11856952_0007_PTD
Published: October 26, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Microbial Oil: Eco-Friendly Industrial Solution,” Published Technical Disclosure No. 24-11856952_0007_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856952_0007_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. 11,856,952.

Background and Problem Solved

The original patent disclosed the production and composition of microbial oil with high concentrations of polyunsaturated fatty acids. However, the patent did not explore the potential applications of microbial oil beyond its nutritional value. This invention addresses the need for innovative solutions to pressing environmental and industrial problems by applying the core technology of microbial oil to new fields.

Novelty and Inventive Step

The novelty of this invention lies in the unexpected application of microbial oil to environmental and industrial problems, demonstrating a non-obvious connection between the original patent's technology and these new fields. The inventive step resides in the recognition of microbial oil's potential to address these specific challenges and the development of tailored solutions.

Alternative Embodiments and Variations

Alternative embodiments may include the use of different microbial strains, varying the fatty acid composition of the microbial oil, or combining the microbial oil with other agents to enhance its effectiveness. Variations of the invention may involve adapting the microbial oil-based solutions for use in other industries, such as cosmetics or pharmaceuticals.

Potential Commercial Applications and Market

The invention has significant commercial potential in the environmental remediation, industrial wastewater treatment, agriculture, and lubricant production markets. The market demand for sustainable, eco-friendly solutions is growing, and this invention is well-positioned to capitalize on this trend.

CPC Classifications

SectionClassGroup
A A01 A01N37/06
A A23 A23D9/013
A A23 A23D9/02
A A23 A23K20/158
A A23 A23L33/115
A A61 A61K8/361
A A61 A61K8/9706
A A61 A61K8/9728
A A61 A61K8/99
A A61 A61K31/202
A A61 A61K36/06
A A61 A61Q19/00
C C11 C11B1/025
C C11 C11B3/10
C C11 C11B3/12
C C11 C11C1/005
C C11 C11C3/10
C C12 C12N1/28
C C12 C12P7/6427
C C12 C12P7/6436
C C12 C12P7/6463

Field of Art

Biotechnology and microbial oil production, with expertise in fatty acid extraction, modification, and application across industrial, environmental, and agricultural domains. Requires advanced knowledge of microbial biochemistry, lipid chemistry, and biotechnological process engineering.

Person of Ordinary Skill (PHOSITA) Profile

A researcher or engineer with advanced degrees in biotechnology, microbiology, or chemical engineering, possessing comprehensive understanding of microbial oil production techniques, fatty acid composition, and cross-disciplinary applications of microbial biomass derivatives.

Obviousness Rationale

A PHOSITA would recognize that the source patent's microbial oil composition with high polyunsaturated fatty acid content inherently suggests potential applications beyond its original scope. The disclosed variations represent predictable extensions of the core technology, leveraging known properties of long-chain fatty acids in environmental and industrial contexts. The technical characteristics of the microbial oil enable straightforward adaptation to bioremediation, wastewater treatment, and other specialized applications.

Obvious Combinations & Variations

Source Patent Element
Microbial oil containing polyunsaturated fatty acids with at least 20 carbon atoms
PTD Variation
Bioremediation application using microbial oil to stimulate biodegradation of pollutants
Obviousness Reasoning
Known surfactant and emulsification properties of long-chain fatty acids make their use in environmental remediation a predictable solution for a PHOSITA
Source Patent Element
Fatty acid alkyl ester and free fatty acid forms of microbial oil
PTD Variation
Heavy metal chelation method using microbial oil's chemical interaction capabilities
Obviousness Reasoning
Polyunsaturated fatty acids' known metal-binding properties suggest an obvious approach to water treatment for a skilled practitioner
Source Patent Element
High concentration of arachidonic acid or Mead acid in microbial oil
PTD Variation
Bio-based lubricant production through reaction with polyols
Obviousness Reasoning
Transforming fatty acid compositions into lubricant base stocks represents a standard industrial biotechnology technique with predictable chemical transformations
Source Patent Element
Microbial oil with specific fatty acid composition and isomer content
PTD Variation
Plant growth promotion composition combining microbial oil with growth promoters
Obviousness Reasoning
Integrating nutritional and biochemical components is a routine strategy in agricultural biotechnology with expected synergistic outcomes
Source Patent Element
Production method for concentrated microbial oil
PTD Variation
Industrial wastewater treatment using concentrated microbial oil to break down organic pollutants
Obviousness Reasoning
Applying concentrated biological agents to environmental remediation represents a standard approach in biotechnological problem-solving
35 U.S.C. § 103 Summary: Based on US Patent 11856952's comprehensive disclosure of microbial oil composition and production methods, the present publication demonstrates that the claimed variations represent obvious extensions of the prior art through predictable applications of known fatty acid technologies. A person having ordinary skill in the art would readily recognize the technical continuity between the source patent's teachings and the disclosed environmental, industrial, and agricultural implementations.

Original Patent Information

Patent NumberUS 11,856,952
TitleMicrobial oil, production method for microbial oil, concentrated microbial oil, and production method for concentrated microbial oil
Assignee(s)NIPPON SUISAN KAISHA, LTD.