Skip to main content

Safer Alternatives

This is a directory of green chemistry and engineering technologies from around the world, developed by the Yale-UNIDO Global Green Chemistry Initiative. It provides a worldwide snapshot of technologies that are currently commercially available or are in the process of becoming commercially available. The selected technologies are applicable across a broad range of sectors and industries.

Results are displayed alphabetically by title. Use the search bar to refine results. Text searches are full text, not partial word searches. You can also submit new technologies to share with the green chemistry community. If you are not logged in, you will be redirected to login first. All new content undergoes review by website administration before publication.

Microbial-Based Nitrogen Fertilizer for Crops

Developed by Pivot Bio, a sustainable agricultural company that uses microbes to deliver nitrogen to plants

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Agrochemicals/Biocides

Nano-Dye™ Process

Exhaust dye process that changes the negative charge of raw cotton when submerged in water to a positive charge, maki

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Textiles/Textile Processing

NEXAR® Polymer Membrane Technology

Sulfonated polymer membrane technology for cheaper and less energy-intensive water desalination.

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Water

Nisarg™ Soapnut Extract

Naturally derived surfactant from the fruit of the Indian Soapnut Tree.

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Cosmetics

No-Clean Soldering

Soldering process that eliminates the use of wave oil and solvents by installing hoods over the solder pots to mainta

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Electronics

Nofia® Flame Retardant

Polymeric halogen-free flame retardant.

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Electronics

Nonflammable Electrolytes for Batteries

Replaces highly volatile organic liquid electrolytes in lithium-ion batteries with advanced polymers that enable impr

Owner/Manufacturer/Supplier:

Inventor/Owner/Manufacturer/Supplier

Stage of Development:

System Development/Field Test/ Commercialization

Category:

Electronics