Inventor
AMJAD ZAHID
US30 patents
⚠️ This page may combine multiple inventors who share the name “AMJAD ZAHID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GOODRICH CO B F
26 patentsUS4842847AJun 27, 1989
Dental calculus inhibiting compositions
GOODRICH CO B F250 citations99
US4566973AJan 28, 1986
Scale inhibition in water systems
GOODRICH CO B F101 citations96
US5288814AFeb 22, 1994
Easy to disperse polycarboxylic acid thickeners
GOODRICH CO B F105 citations95
US5373044ADec 13, 1994
Polycarboxylic acid thickeners, emulsifiers, and suspending aids having improved wettability characteristics
GOODRICH CO B F96 citations94
US5349030ASep 20, 1994
Easy to disperse polycarboxylic acid thickeners
GOODRICH CO B F59 citations94
US5658465AAug 19, 1997
Method for inhibiting the deposition of silica and silicate compounds in water systems
GOODRICH CO B F30 citations92
US5023001AJun 11, 1991
Calcium phosphonate scale inhibition
GOODRICH CO B F27 citations92
US4952327AAug 28, 1990
Scale control with terpolymers containing styrene sulfonic acid
GOODRICH CO B F48 citations92
US4895658AJan 23, 1990
Membrane cleaning compositions containing acrylic polymer
GOODRICH CO B F28 citations92
US4892724AJan 9, 1990
Tartar inhibiting oral compositions and method
GOODRICH CO B F29 citations92
US4892725AJan 9, 1990
Tartar inhibition on teeth
GOODRICH CO B F41 citations92
US4806259AFeb 21, 1989
Membrane cleaning compositions containing phosphorous compounds
GOODRICH CO B F49 citations92
US4784774ANov 15, 1988
Compositions containing phosphonoalkane carboxylic acid for scale inhibition
GOODRICH CO B F40 citations92
US4563284AJan 7, 1986
Inhibition of salt precipitation in aqueous systems
GOODRICH CO B F39 citations92
US4499002AFeb 12, 1985
Scale inhibiting copolymer
GOODRICH CO B F31 citations92
US5468797ANov 21, 1995
Polycarboxylic acid thickeners, emulsifiers, and suspending aids having improved wettability characteristics
GOODRICH CO B F23 citations90
US4762621AAug 9, 1988
Itaconate ester copolymers as scale inhibitors
GOODRICH CO B F23 citations82
US4532048AJul 30, 1985
Method for inhibiting scale deposition
GOODRICH CO B F20 citations82
US4915937AApr 10, 1990
Dental antihydrolysis agent
GOODRICH CO B F17 citations74
US4707271ANov 17, 1987
Stabilization of iron in aqueous systems
GOODRICH CO B F10 citations74
US4652377AMar 24, 1987
Inhibition of alkaline earth sulfate scales
GOODRICH CO B F18 citations74
US4566974AJan 28, 1986
Method of inhibiting scale with copolymer
GOODRICH CO B F10 citations74
US4960522AOct 2, 1990
Copolymers of an acrylic acid and alkoxyalkyl acrylate as scale inhibitors
GOODRICH CO B F8 citations73
US4952326AAug 28, 1990
Dispersion of particulates in an aqueous medium
GOODRICH CO B F13 citations73
US4885097ADec 5, 1989
Stabilization of metal ions with terpolymers containing styrene sulfonic acid
GOODRICH CO B F8 citations73
US4639490AJan 27, 1987
Process for preparing novel copolymer
GOODRICH CO B F5 citations63