Company patents
Hindustan Petroleum Corporation Limited
Hindustan Petroleum Corporation Limited, despite its core business, shows a surprising emerging focus on 'Polymer Additives,' with a significant 200.0% year-over-year growth in 2026 (so far), contrasting with a sharp decline in its traditional 'Petroleum / Hydrocarbon Refining' patents, which saw a -100.0% YoY drop in 2026 after consistent growth in prior years.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
68 US filings (since 2023) · 12 categories · 24 themes
Chemical processes that utilize hydrogen to remove impurities like sulfur, nitrogen, and oxygen from hydrocarbon feedstocks, or to saturate aromatic compounds, often employing specific catalysts and process conditions.
Processes and reactor designs for breaking down heavier hydrocarbon feedstocks into lighter, more valuable products using catalysts, including methods for regenerating spent catalysts through coke burning or other means.
Catalytic processes and novel catalyst materials designed to efficiently produce hydrogen gas from various feedstocks, including hydrocarbons (e.g., methane, natural gas) and ammonia.
Novel or optimized methods and apparatus for efficiently separating desired products, recovering valuable components, or managing effluents from complex hydrocarbon mixtures and refining processes.
Systems and methods for producing fuels, such as Sustainable Aviation Fuel (SAF), or hydrogen with a reduced carbon intensity, often leveraging alternative feedstocks, Fischer-Tropsch synthesis, or integrated energy recovery.
Methods and catalyst systems, often supported (e.g., on silica or alumina), for the synthesis of polyolefins like polyethylene and polypropylene, focusing on controlling molecular weight, distribution, and polymer morphology.
Engineering approaches to improve the efficiency, control, and performance of chemical reactors, encompassing continuous processes, heat exchange integration, and specialized reactor configurations for various chemical transformations.
Technologies focused on converting waste plastics, residual polymers, or aromatic waste streams into valuable hydrocarbon liquids, gases, or chemical feedstocks through thermal or catalytic pyrolysis, followed by upgrading and separation processes.
Development and synthesis of catalysts with unique compositions or structures, such as medium entropy alloys, metal foam-supported catalysts, layered catalytic articles, or high-entropy oxides, to enhance activity, selectivity, or stability in chemical reactions.
Methods for producing organic chemicals from biomass or through fermentation processes, often focusing on carbohydrates or fatty acid derivatives for food, health, or industrial applications.
Development of rubber and elastomer compositions, often involving specific polymer blends, additives (e.g., process oils, reinforcing agents), and cure packages, to achieve desired mechanical properties like abrasion resistance, wet grip, shear durability, or flexibility for demanding applications.
Technologies and materials for capturing carbon dioxide from gas streams and subsequently converting it into valuable chemical products or materials, rather than simply storing it.
Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.
Specific techniques and materials developed to remove persistent or difficult-to-treat pollutants from water, such as per- and polyfluoroalkyl substances (PFAS), micropollutants, or specific industrial chemicals.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.
Novel methods and reactor designs for polymer synthesis, focusing on improving efficiency, achieving continuous production, or controlling specific polymer architectures and product morphologies like particle size or sheet formation.
Methods and apparatus for the efficient and selective production of organic compounds, including amines, acids, and esters, often involving catalytic or continuous processes and purification steps.
Materials added to polymers to modify their thermal transfer properties, typically increasing conductivity for heat dissipation in applications like electronics or battery packs.
Synthesis and processing of silicon and silicon carbide materials in various forms (e.g., particles, nanowires, films) for applications beyond traditional semiconductors, such as battery components, refractories, or advanced electronics.
Processes that use strong oxidants, electrochemical methods, sonic waves, or other energy-intensive techniques to break down organic pollutants, disinfect water, or facilitate contaminant separation.
Development of materials with tailored porosity, surface chemistry, or structure, such as metal-organic frameworks (MOFs), zeolites, or superficially porous particles, for selective adsorption, ion exchange, or chromatographic separations.
Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.
Organometallic or organosilicon compounds used as catalysts to facilitate polymerization reactions, such as olefin metathesis, or as crosslinkers and modifiers to enhance the properties of polymer compositions like silicones.
Patents
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