Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RM

Ronald A. Masters — 47 Patents

STStepan: 31 patents #2 of 221Top 1%
The Procter & Gamble: 13 patents #957 of 10,297Top 10%
Glenview, IL: #16 of 857 inventorsTop 2%
Illinois: #917 of 84,256 inventorsTop 2%
Overall (All Time): #59,703 of 4,157,543Top 2%
47 Patents All Time
Ronald A. Masters has been granted 47 US patents while listed as an inventor at Stepan. The first was granted in 1994 and the most recent in April 2025. Ronald A. Masters ranks #59,703 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Ronald A. Masters in Glenview, IL, US.

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12285825 Non-aqueous solder flux composition Liban Jirmo 2025-04-29
12270010 Reduced-residue hard surface cleaner and method for determining film/streak Mona Marie Knock, Patrick Shane Wolfe, Timothy A. Boebel, Xue Min Dong, Dennis S. Murphy 2025-04-08
11760889 Unsaturated fatty alcohol derivatives from natural oil metathesis David R. Allen, Marcos Alonso, Mary Beddaoui, Randal J. Bernhardt, Aaron Brown +18 more 2023-09-19 $9,247,000
11560530 Surfactants based on monounsaturated fatty alcohol derivatives Randal J. Bernhardt, Wilma Gorman 2023-01-24 $12,690,000
10745347 Unsaturated fatty alcohol derivatives from natural oil metathesis David R. Allen, Marcos Alonso, Mary Beddaoui, Randal J. Bernhardt, Aaron Brown +18 more 2020-08-18 $24,878,000
10322994 Fatty amides and derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +15 more 2019-06-18 $8,672,000
10287530 Surfactants based on monounsaturated fatty alcohol derivatives David R. Allen, Randal J. Bernhardt, Aaron Brown, Gregory P. Dado, Xue Min Dong +2 more 2019-05-14 $8,693,000
10233412 Aqueous hard surface cleaners based on terpenes and fatty acid derivatives Aaron Brown, Wilma Gorman 2019-03-19 $10,962,000
9828570 Fatty amines, amidoamines, and their derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +12 more 2017-11-28 $5,140,000
9815780 Quaternized fatty amines, amidoamines and their derivatives from natural oil Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Sangeeta Ganguly-Mink +11 more 2017-11-14 $9,868,000
9796662 Esteramines and derivatives from natural oil metathesis Dave R. Allen, Randal J. Bernhardt, Aaron Brown, Anatoliy A. Dameshek, Brian Holland +5 more 2017-10-24 $8,689,000
9777248 Aqueous hard surface cleaners based on monounsaturated fatty amides Wilma Gorman 2017-10-03 $10,865,000
9758751 Aqueous hard surface cleaners based on terpenes and fatty acid derivatives Aaron Brown, Wilma Gorman 2017-09-12 $10,029,000
9708251 Unsaturated fatty alcohol alkoxylates from natural oil metathesis David R. Allen, Marcos Alonso, Mary Beddaoui, Randal J. Bernhardt, Aaron Brown +13 more 2017-07-18 $10,936,000
9695385 Surfactants based on monounsaturated fatty alcohol derivatives David R. Allen, Randal J. Bernhardt, Aaron Brown, Gregory P. Dado, Xue Min Dong +2 more 2017-07-04
9598359 Sulfonates from natural oil metathesis Dave R. Allen, Randal J. Bernhardt, Aaron Brown, Gary Luebke, Renee Luka +5 more 2017-03-21 $9,645,000
9573884 Imidazoline amides and derivitives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +15 more 2017-02-21 $7,705,000
9506013 Alkoxylated fatty esters and derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +8 more 2016-11-29 $10,712,000
9493727 Fatty amines, amidoamines, and their derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +12 more 2016-11-15 $9,606,000
9416099 Quaternized fatty amines, amidoamines and their derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Sangeeta Ganguly-Mink +11 more 2016-08-16 $10,465,000
9303234 Hard surface cleaners based on compositions derived from natural oil metathesis Dave R. Allen, Randal J. Bernhardt, Aaron Brown, Patrick Shane Wolfe, Lena Titievsky 2016-04-05 $9,552,000
9284518 Multi-arm hydrophilic urethane polymers, methods of making them, and compositions and processes employing them Douglas Hillshafer, Christopher A. Gariepy 2016-03-15 $9,668,000
9193936 Quaternized fatty amines, amidoamines and their derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Sangeeta Ganguly-Mink +11 more 2015-11-24 $8,403,000
9187711 Esteramines and derivatives from natural oil metathesis Dave R. Allen, Randal J. Bernhardt, Aaron Brown, Anatoliy A. Damashek, Brian Holland +5 more 2015-11-17 $4,194,000
9187712 Alkoxylated fatty esters and derivatives from natural oil metathesis Dave R. Allen, Marcos Alonso, Randal J. Bernhardt, Aaron Brown, Kelly Buchek +8 more 2015-11-17 $4,194,000