Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: Sharik; Clyde Address: West Chester, PA No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 4404111 N,N-Dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymers for enhanced petrol September 13, 1983 A N,N-dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymer is disclosed. The copolymer is particularly suitable for use as a viscosity control agent in an aqueous composition employed to facilitate petroleum recovery from subterranean petroleum bearing formations.       Recently Added Patents Candle holder Temporal smoothing of a deformation model Human-implantable-neurostimulator user interface having multiple levels of abstraction Polarizing plate, liquid crystal device, and electronic apparatus Recording head and inkjet recording apparatus Open payments target marketing system GPIO mux/dynamic port configuration   Randomly Featured Patents Hypodermic injector device System and method for performing scalable distribution of process flow activities in a distributed workflow management system Tape dispenser Plastic bag holding rack Meter driving apparatus Variable program and program verification methods for a virtual ground memory in easing buried drain contacts Fabricating an SRAM cell Electrical circuit identification means Method of making a hierarchical estimate of image motion in a television signal Pigmented vitreous material © 2006. PatentGenius. All Rights Reserved.