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Dr. Joan Carles Castell will participate in the Round Table organized by the Colombia Tanning Industry Association on September 9 (interested attendees can register via the WhatsApp registration link).
Additionally, AQEIC (Spanish Leather Chemists Association) is host to its 67th Congress, with Proviera proudly participating as a sponsor for the event; full details are available on the AQEIC congress.
Leather’s Future: Innovation, Bio-Standards, and the Circular Economy
The December 2025–January 2026 issue of World Leather explores a pivotal moment for the industry, blending veteran wisdom with cutting-edge technology. This edition features a retrospective interview with outgoing IULTCS president Dr. Joan Carles Castell, who challenges tanners to embrace “disruptive ideas” after his 50-year career.
Press Release
March 28, 2025
Dr. Joan.C.Castell, Chairman of the International Union of Leather Technologists and Chemists Societies (IULTCS), and his delegation visited the Department of Light Chemical Engineering, Jiaxing University
August 2024.
Meet us at APLF Leather Exhibition in Hong Kong
Booth: 3D-A19-USA
Venue: Hong Kong Convention and Exhibition Centre
March 19 – 21, 2024
ACLE Returns to Shanghai in August 2023
Booth: Proviera Biotech – E1-B07d-USA
The All China Leather Exhibition (ACLE) will return to Shanghai after the last edition held in 2019 to reopen global access to Chinese leather producing industries.
Proviera’s Probiotic Biochemicals are Reducing Leather’s Synthetic Chemical Use
Source: International Leather Maker, Stahl
Proviera’s groundbreaking biotechnology was featured in a recent International Leather Maker (ILM) webinar on bio-based chemicals for the leather industry. The overall chemical industry currently emits 7% of global greenhouse gases (GHG)—and is currently on track to continue to rise. Proviera’s renewable, probiotic biochemicals are at the forefront of enabling the leather industry to not only “decarbonize” by replacing some of the synthetic chemicals currently used, but also significantly reduce the amount of wastewater produced. WATCH THE VIDEO.
Probiotic Holdings Announces $9 Million USD in Financing Year to Date
Probiotic Holdings, LLC and its subsidiaries Proviera Biotech, LLC and SCD Probiotics announced closing an additional $6 million investment bringing the total to $9.3 million USD since January 2019. The funds will be used to support and expand Probiotic Holdings’ 44,000-square-foot fermentation manufacturing and research and development laboratories; strengthen its technology platform; and enable the continued global commercialization of its organic, bio-based biochemicals and microbial products.
Stahl hosts calf skin transparency and traceability event – March 11, 2016
Leather chemicals manufacturer Stahl hosted a one-day event called ReVeal on November 2, aimed at giving finished product brands up-to-date information about transparency and traceability in the leather supply chain.
