Published Technical Disclosure Archive

Advanced Aquatic Plant Management Herbicide System

Publication ID: 24-11856949_0002_PTD
Published: October 26, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Advanced Aquatic Plant Management Herbicide System,” Published Technical Disclosure No. 24-11856949_0002_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856949_0002_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. 11,856,949.

Background and Problem Solved

The original patent disclosed stable, concentrated herbicidal compositions for crop protection. However, the problem of invasive aquatic plants in waterbodies remains unsolved, with current methods often causing unintended environmental consequences. This invention addresses this limitation by adapting the core technology to develop a targeted and controlled system for aquatic plant management.

Novelty and Inventive Step

The new claims introduce a novel application of the original patent's concentrated herbicidal compositions to the field of aquatic plant management, providing a non-obvious solution to the problem of invasive aquatic plants. The inventive step lies in the adaptation of the core technology to this new field, enabling a targeted and controlled approach to aquatic plant management.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include using different types of herbicidal compositions, varying the concentration of the composition, or incorporating additional components to enhance the system's effectiveness. Variations could also include using the system in different types of waterbodies, such as lakes, rivers, or wetlands.

Potential Commercial Applications and Market

The invention has significant commercial potential in the aquatic plant management industry, with applications in waterbody restoration, invasive species control, and environmental conservation. The target market includes government agencies, private waterbody owners, and companies specializing in aquatic plant management.

CPC Classifications

SectionClassGroup
A A01 A01N25/22
A A01 A01N25/02
A A01 A01N25/30
A A01 A01N57/12
A A01 A01N57/20

Field of Art

Agricultural chemistry, specifically herbicidal composition design and application technologies, with expertise in formulation chemistry, surfactant interactions, and targeted plant management systems

Person of Ordinary Skill (PHOSITA) Profile

A chemical engineer or agricultural scientist with advanced degree, experienced in herbicide formulation, familiar with surfactant technologies, water-soluble chemical interactions, and environmental application strategies

Obviousness Rationale

A PHOSITA would recognize that the source patent's concentrated herbicidal composition provides a fundamental technological framework that can be readily adapted to specialized environmental management contexts. The core chemical formulation principles disclosed in US 11856949 are directly transferable to aquatic plant control scenarios. The PTD's variations represent predictable extensions of existing herbicide application technologies by applying known chemical principles to a specific ecological management challenge.

Obvious Combinations & Variations

Source Patent Element
Concentrated liquid herbicidal composition with C8-C16 alkyl ether sulfate and alkyl polyglucoside
PTD Variation
Applying the composition specifically to aquatic plant management with controlled release mechanisms
Obviousness Reasoning
Predictable adaptation of existing formulation to a new environmental context, utilizing known surfactant and herbicide interaction principles
Source Patent Element
Mixing ingredients in flexible order with water-soluble herbicidal components
PTD Variation
Developing targeted release systems using submerged containers with sensor-based application
Obviousness Reasoning
Known engineering design approach of applying control systems to existing chemical formulation technologies
Source Patent Element
High concentration herbicidal composition (20-35% active ingredient)
PTD Variation
Ecosystem restoration approach combining herbicide application with beneficial species introduction
Obviousness Reasoning
Logical extension of existing herbicide management strategies, representing a finite and predictable solution to invasive species control
Source Patent Element
Water-soluble herbicidal ingredient preparation method
PTD Variation
Developing specialized application methods for specific aquatic environments
Obviousness Reasoning
Obvious technical variation using known chemical formulation principles in a novel environmental context
Source Patent Element
Single-phase liquid herbicidal composition
PTD Variation
Creating sensor-integrated monitoring and control systems for invasive plant management
Obviousness Reasoning
Predictable technological advancement combining existing chemical formulation with modern sensing and control technologies
35 U.S.C. § 103 Summary: Based on the teachings of US 11856949, a person having ordinary skill in the art would find the claimed variations in aquatic plant management systems to be obvious extensions of known herbicidal composition technologies. The disclosed methods represent predictable combinations of existing chemical formulation principles with standard environmental management approaches, thereby rendering potential claims in this domain obvious and unpatentable.

Original Patent Information

Patent NumberUS 11,856,949
TitleStable, concentrated herbicidal compositions
Assignee(s)BASF SE