Invitation to Submit Expression of Interest (EOI) for Licensing of “PAVE-SEAL: Air-Cleaning Nano Photocatalytic Pave Sealing Emulsion” Developed by CSIR-CRRI

Overview

CSIR–Central Road Research Institute (CSIR–CRRI) invites Expressions of Interest (EOIs) from eligible and experienced Indian firms for the licensing and large-scale commercialization of the innovative “PAVE-SEAL: Air-Cleaning Nano Photocatalytic Pave Sealing Emulsion.”
The technology has been developed by CSIR–CRRI as an environmentally sustainable pavement surface treatment solution aimed at improving air quality through photocatalytic action. The technology is suitable for application on flexible pavement surfaces and can be integrated with routine road maintenance and preservation practices.

About the “PAVE-SEAL: Air-Cleaning Nano Photocatalytic Pave Sealing Emulsion”

The technology comprises a specially formulated bitumen emulsion-based surface treatment designed for easy field application using conventional pavement maintenance equipment. Upon exposure to sunlight, the treated pavement surface facilitates photocatalytic reactions that help reduce atmospheric pollutants and improve the environmental performance of road infrastructure.
The technology has been successfully developed and validated at the laboratory scale and is now being considered for large-scale manufacturing, field implementation, and commercialization through industry participation.

Opportunities for Commercialization

CSIR-CRRI seeks EOIs from registered Indian firms with:

• Proven experience in road construction or maintenance
• PAN India operational capabilities
• Interest in licensing and supplying this mix at a commercial scale

Submission Details
Interested parties must submit an EOI including the following:

• Company profile and experience in road maintenance
• Area(s) of interest and proposed regions of operation
• Supply chain and logistical readiness
• Timeline for scale-up and marketing
• Contact details

Deadline for EOI Submission: 15^th June 2026
EOIs should be sent via email to: pme [dot] crri [at] csir [dot] res [dot] in

A hard copy of the EOI must also be submitted to the following address, with the envelope clearly superscribed Subject: “EOI for Licensing of PAVE-SEAL: Air-Cleaning Nano Photocatalytic Pave Sealing Emulsion”

Director
CSIR-Central Road Research Institute
Mathura Road, New Delhi – 110025
The hard copy must be received within 7 days after the email submission deadline.

Selection and Next Steps

All received EOIs will be evaluated, and shortlisted firms will be invited for discussions regarding licensing modalities, supply capacity, and technical collaboration. Final selection shall be at the discretion of the Director, CSIR-CRRI, based on techno-commercial viability and relevance.
Financial arrangements and technology transfer agreements will be finalized with the selected firms.
For Technical Queries: Dr. Siksha Swaroopa Kar, Scientist F / Dr Rina Singh, Scientist F

Contact: siksha [dot] crri@csir [dot] res [dot] in/rinasingh [dot] crri [at] csir [dot] res [dot] in