Inventor
RICHARDS HARVEY J
US15 patents
⚠️ This page may combine multiple inventors who share the name “RICHARDS HARVEY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASHLAND OIL INC
13 patentsUS4613660ASep 23, 1986
Polyol/polyepoxide/polyurethane adhesive
ASHLAND OIL INC29 citations92
US4698408AOct 6, 1987
Sag resistant two-component urethane adhesives with improved thermal stability
ASHLAND OIL INC23 citations82
US4539376ASep 3, 1985
Cross-linking of maleic anhydride polymers with bicyclic amide acetals
ASHLAND OIL INC22 citations82
US5098505AMar 24, 1992
Epoxy resin, thermoplastic polymer and hardener adhesive
ASHLAND OIL INC10 citations73
US4726868AFeb 23, 1988
Polyol/polyepoxide/polyurethane adhesive
ASHLAND OIL INC15 citations73
US4627932ADec 9, 1986
Bicyclic amide acetals as moisture scavengers
ASHLAND OIL INC7 citations73
US4477382AOct 16, 1984
Preparation of carboxylic acid anhydrides
ASHLAND OIL INC12 citations73
US4045441AAug 30, 1977
7-(Alpha-methyl-alpha-alkenyl)substituted 8-hydroxyquinolines and process for the preparation thereof
ASHLAND OIL INC6 citations72
US4822518AApr 18, 1989
Convenient synthesis of polyamide polyol/urethane diol blends
ASHLAND OIL INC4 citations62
US4698416AOct 6, 1987
Reaction of bicyclic amide acetal with sulfur
ASHLAND OIL INC3 citations62
US4652655AMar 24, 1987
Bicyclic amide acetals are prepared from organic nitriles and dialkanol amines at below about 140° C. and product is isolated by solvent extraction
ASHLAND OIL INC4 citations62
US4657815AApr 14, 1987
Surface modification of inorganic fillers by treatment with bicyclic amide acetals
ASHLAND OIL INC5 citations61
US4754057AJun 28, 1988
Conversion of polycarboxylic acids to polyols by reaction with bicyclic amide acetals
ASHLAND OIL INC1 citations52