21
Ram B Gupta, Dennis J Jakiela, Robert G Fischer: Benzocycle-substituted triazine and pyrimidine ultraviolet light absorbers. Cytec Technology Corporation, Pennie & Edmonds, October 2, 2001: US06297377

This invention relates generally to benzocycle-substituted pyrimidines and triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmospheric pollutants and combinations thereof. The new class of b ...


22
Lawrence A Flood, Ram B Gupta, Revathi Iyengar, David A Ley, Venkatarao K Pai: 1,3,5-Triazine carbamates from amino-1,3,5-triazines and organic carbonates and curable compositions thereof. Cytec Technology Corporation, Pennie & Edmonds, September 11, 2001: US06288226

Provided is a process for preparing an at least bis-carbamate functional 1,3,5-triazine by contacting an at least diamino-1,3,5-triazine, an acyclic organic carbonate and a base, as well as certain novel compositions producible thereby. Also provided are substantially halogen contamination free cros ...


23
Ram B Gupta, Dennis J Jakiela, Robert G Fischer: Benzocycle-substituted triazine and pyrimidine ultraviolet light absorbers. Cytec Technology, James A Jubinsky, Claire M Schultz, Valerie T Didamo, May 7, 2002: US06384113

This invention relates generally to a new class of benzocycle-substituted pyrimidines and triazines and the use thereof to protect coatings, polymers and organic compounds against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmospheric ...


24
Robert B Kramer, Ronald Kramer, Nicholas Marshall, Jason Rosenberg, Ram B Gupta: Fabric having ultraviolet radiation protection. THE SWEET LIVING GROUP, David H Chervitz, March 15, 2016: US09284682

A method for treating a fabric for ultraviolet radiation protection is disclosed which comprises the steps of adding zinc oxide nanoparticles to a solution of 3-glycidyloxypropyl-trimethoxysilane, adding silicon dioxide to the mixture of zinc oxide nanoparticles and 3-glycidyloxypropyl-trimethoxysil ...


25
Ram B Gupta, Lawrence A Flood, Urvee Y Treasurer, Barry A Lawless, Colin Brogan: Reaction product of a cyclic urea and a multifunctional aldehyde. ALLNEX NETHERLANDS, Wenderoth Lind & Ponack L, December 18, 2018: US10155836

The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl gro ...


26
Ram B Gupta, Jerry Mon Hei Eng, Fadi Khawam, Ranjan Kumar Kamat: Stabilizing compositions for stabilizing materials against ultraviolet light and thermal degradation. Cytec, Elizabeth A Galletta Esq, Charles E Bell Esq, August 8, 2017: US09725579

Stabilizer compositions for stabilizing materials against degradation due to thermal and ultraviolet light exposure are disclosed herein. In some instances, the stabilizer compositions include an ortho-hydroxyl tris-aryl-s-triazine compound; a hindered amine light stabilizer compound; a hindered hyd ...


27
Robert B Kramer, Ronald Kramer, Nicholas Marshall, Jason Rosenberg, Ram B Gupta: Fabric having ultraviolet radiation protection, enhanced resistance to degradation, and enhanced resistance to fire. The Sweet Living Group, David H Chervitz, January 12, 2016: US09234310

A method for treating a fabric for ultraviolet radiation protection, enhanced resistance to degradation, and enhanced resistance to fire is disclosed which comprises the steps of adding zinc oxide nanoparticles to a solution of 3-glycidyloxypropyl-trimethoxysilane, placing a fabric in the mixture of ...


28
Ram B Gupta, Urvee Y Treasurer, Lawrence A Flood, Barry A Lawless: Modified amino resins. ALLNEX IP R L, Wenderoth Lind & Ponack L, January 3, 2017: US09534114

This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified ...


29
Ram B Gupta, Dennis J Jakiela, Sampath Venimadhavan, Russell C Cappadona, Venkatrao K Pai: Process for making triazine UV absorbers using lewis acids and reaction promoters. Cytec Technology, James A Jubinsky, Claire M Schultz, Fran Wasserman, May 4, 2004: US06730785

It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence of at least one Lewis acid and at l ...


30
Ram B Gupta, Dennis J Jakiela, Sampath Venimadhavan, Russell C Cappadona, Venkatrao K Pai: Process for making triazine UV absorbers using Lewis acids and reaction promoters. Cytec Technology, James A Jubinsky, Fran Wasserman, Claire M Schultz, March 23, 2004: US06710177

It has been now surprisingly discovered after extensive research that 2-halo-4,6-bisaryl-1,3,5-triazine can be prepared with unprecedented selectivity, efficiency, mild conditions, and in high yield by the reaction of cyanuric halide with aromatics in the presence of at least one Lewis acid and at l ...