us patent application for delayed polyacrylamide co

US Patent Application for DELAYED POLYACRYLAMIDE-CO …

US Patent Application for DELAYED POLYACRYLAMIDE-CO-ALUMINUM HYDROXYL CHLORIDE GEL Patent Application (Application #20080035344 issued February 14, 2008) – Justia Patents Search DELAYED POLYACRYLAMIDE-CO-ALUMINUM HYDROXYL CHLORIDE GEL Aug 7, 2006,us patent application for delayed polyacrylamide co … ,US Patent, Patent Application and Patent Search – Justia Patents Search – Keng Seng Chan Inventions, Patents and Patent Applications DELAYED POLYACRYLAMIDE-CO-ALUMINUM HYDROXYL CHLORIDE GEL Publication number: 20080035344 Abstract: A delayed gelling system useful in conformance control in the production of petroleum from subterranean formations …,us patent application for delayed polyacrylamide-co in … ,US Patent Application for DELAYED POLYACRYLAMIDE-CO. The delayed gelling system of this invention is an organic-inorganic co-gel in which the immediate cross-linking that might otherwise result upon mixing a partially hydrolyzed polyacrylamide with aluminum is delayed, by using a gel-forming acid aluminum, a partially hydrolyzed or hydrolysable polyacrylamide soluble in acidic pre-gel …

US20080035344A1 – Delayed polyacrylamide-co-aluminum …

US20080035344A1 US11/462,862 US46286206A US2008035344A1 US 20080035344 A1 US20080035344 A1 US 20080035344A1 US 46286206 A US46286206 A US 46286206A US 2008035344 A1 US2008035344 A1 US 2008035344A1 Authority US United States Prior art keywords aluminum canceled gel delayed polyacrylamide Prior art date 2006-08-07 Legal status (The legal status is an assumption and is not a legal conclusion.,US4744418A – Delayed polyacrylamide gelation process for … ,US4744418A – Delayed polyacrylamide gelation process for oil recovery applications – Google Patents A process for delaying the gelation rate of a polymer used in oil recovery applications.,Patent 04744418 – Delayed polyacrylamide gelation process … ,Patent No. US 04744418 Published on May 17, 1988. Application No. 6/939660 Filed on Dec 9, 1986. Priority Date-

us patent application for stabilization of polyacrylamide …

US Patent Application for DELAYED POLYACRYLAMIDE-CO. an acidic aqueous solution of from 0.1 to 10 weight percent cationic polyacrylamide, from 1 to 15 weight percent aluminum hydroxyl chloride, and an effective amount of an activator selected from the group consisting of urea, alkyl-substituted urea, hexamethylene tetramine, cyanates, and combinations thereof, to form a time-delayed co-gel of …,US Patent Application for DELAYED GELATION OF POLYMERS … ,Justia Patents US Patent Application for DELAYED GELATION OF POLYMERS Patent Application (Application #20210054260) … is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a …,us patent for water-in-oil polyacrylamide-based | chemical … ,US Patent Application for STABILIZATION OF POLYACRYLAMIDE EMULSION FORMULATIONS Patent Application (Application #20150329763 issued November 19. In the oil & gas industry, polyacrylamide water-in-oil emulsions are used as additives in fracturing (fracking) and drilling applications.

Delayed polyacrylamide gelation process for oil recovery …

OSTI.GOV Patent: Delayed polyacrylamide gelation process for oil recovery applications Title: Delayed polyacrylamide gelation process for oil recovery applications Full Record,delayed polyacrylamide-co-aluminum hydroxyl ,Philippe Enkababian – Patents. 20080035344 – Delayed polyacrylamide-co-aluminum hydroxyl chloride gel 20070029085 – Prevention of water and condensate blocks in wells ### The bibliographic references displayed about Philippe Enkababian's patents are for a recent sample of Philippe Enkababian's publicly published patent applications.,Patent 04744418 – Delayed polyacrylamide gelation process … ,Patent No. US 04744418 Published on May 17, 1988. Application No. 6/939660 Filed on Dec 9, 1986. Priority Date-

(PDF) Recent Applications of Polyacrylamide as Biomaterials

The synthetic polymer, polyacrylamide derived from acrylamide monomer, was originally introduced for use as a support matrix for electrophoresis in 1959. Later, because of its applicability and …,Polyacrylamide degradation and its implications in … ,The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in soil conditioning. 1,9,12,21 …,Patent Center | USPTO ,If the user is unable to access Patent Center the next business day, please contact the EBC at 866-217-9197 or by email at [email protected] (link sends email) .

Philippe Enkababian – Patents

20080035344 – Delayed polyacrylamide-co-aluminum hydroxyl chloride gel 20070029085 – Prevention of water and condensate blocks in wells ### The bibliographic references displayed about Philippe Enkababian's patents are for a recent sample of Philippe Enkababian's publicly published patent applications.,United States Patent and Trademark Office ,The United States Patent and Trademark Office seeks nominations for the 2022 National Medal of Technology and Innovation USPTO launches new Patent Public Search tool and webpage The USPTO announces a new Patent Public Search tool that provides more convenient, remote, and robust full-text searching of all U.S. patents and published patent …,TREATMENT OF TAILING STREAMS – THE CHEMOURS COMPANY FC, LLC ,What is claimed is: 1. A process for treating a tailings stream comprising water, solids, and optionally polyacrylamide, comprising: (a) contacting the tailings stream with a silicate source for a pre-determined period of time to form a mixture; b) after the pre-determined period of time, contacting the mixture with an activator to initiate gel formation, wherein the gel entraps the solids …

Patent application title: DELAYED-ACTIVATION, HYDRATION …

Patent application title: DELAYED-ACTIVATION, HYDRATION MAINTENANCE, APPARATUS AND METHOD Inventors: Tommy K. Thrash Agents: PATE PIERCE & BAIRD Assignees: Origin: SALT LAKE CITY, UT US IPC8 Class: AA01G100FI USPC Class: 47 581SC Patent application number: 20100071261 Abstract: A composite, time-delayed, polymer-coated, granulated material for maintaining hydration in plants is formulated to …,Philippe Enkababian – Patents ,20080035344 – Delayed polyacrylamide-co-aluminum hydroxyl chloride gel 20070029085 – Prevention of water and condensate blocks in wells ### The bibliographic references displayed about Philippe Enkababian's patents are for a recent sample of Philippe Enkababian's publicly published patent applications.,Introduction to Polyacrylamide Gels – Bio-Rad Laboratories ,Introduction to Polyacrylamide Gels. Polyacrylamide is ideal for protein separations because it is chemically inert, electrically neutral, hydrophilic, and transparent for optical detection at wavelengths greater than 250 nm.

US Patent Full-Text Database Manual Search

Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current Classification (US, IPC, or CPC). When searching for specific numbers in the Patent Number field, utility patent numbers are entered as one to eight numbers in length, excluding commas (which are optional, as are leading zeroes).,Delayed rigid foam systems and applications in particular … ,(b) adding a gas to the delayed gelation system to form a foam: (c) injecting the delayed gelation system into a formation, and (d) shutting in the well for a period of time. 2.,A novel acrylamide-free flocculant and its application for … ,The dosage of 7.5784 kg/ton (T) dry solids (DS) is the optimum dosage level when the sludge dewatering performance is the best. It is represented by the largest sludge floc size (2280 μm), the …

Water Soluble Polymers for Pharmaceutical Applications – MDPI

Recently Tsung-Hua Yang has reviewed several patents describing the use of polyacrylamide for drug delivery, biomedical and other applications. U.S.,Filing South African Patent – Global IP Co ,Complete the online application form. Download, sign, scan and upload forms.,March 2022 – When will the CREON patents expire, and when … ,Matching patents to biologic drugs is far more complicated than for small-molecule drugs. These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch.

Patent application title: DELAYED-ACTIVATION, HYDRATION …

Patent application title: DELAYED-ACTIVATION, HYDRATION MAINTENANCE, APPARATUS AND METHOD Inventors: Tommy K. Thrash Agents: PATE PIERCE & BAIRD Assignees: Origin: SALT LAKE CITY, UT US IPC8 Class: AA01G100FI USPC Class: 47 581SC Patent application number: 20100071261 Abstract: A composite, time-delayed, polymer-coated, granulated material for maintaining hydration in plants is formulated to …,Polyacrylamide (CAS 9003-05-8) Global Market Research … ,The "Polyacrylamide (CAS 9003-05-8) Global Market Research Report 2021" report has been added to ResearchAndMarkets.com's offering.. This global report is a result of industry experts' diligent work on researching the world market of Polyacrylamide.,USPTO Clarifies Rules for Reviving Abandoned Patent … ,The patent application may be revived by filing a petition under 37 CFR 1.137. The petition, however, requires a large fee and a statement that the entire period for the delay in filing the response was unintentional.

How to File a Patent – U.S. Chamber of Commerce

Utility patents protect how an invention works, including its functionality and structure. Design patents apply to the look of an item and protect the "ornamental design." A new patent typically gives the inventor a 20-year window from the application date, where no one else can profit from manufacturing and distributing their invention or design.,Preformed particle gels of sulfonated polyacrylamide … ,In this study, a preformed particle gel (PPG) was synthesized from sulfonated polyacrylamide and chromium metal cross-linker with specific concentration. The main characteristics of PPG, such as gelation time, gel fraction, swelling properties and salt sensitivity factor were investigated.,Patents – WIPO ,A patent is an exclusive right granted for an invention, which is a product or a process that provides, in general, a new way of doing something, or offers a new technical solution to a problem. To get a patent, technical information about the invention must be disclosed to the public in a patent application.

March 2022 – When will the CREON patents expire, and when …

Matching patents to biologic drugs is far more complicated than for small-molecule drugs. These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch.,Patent Number Search – PatentBuddy ,Patent Buddy offers a free search of patents, inventors and current patent owners. You can also search for patent attorneys & agents. Sign up Today!,Patent Docs: In Defense of Patenting ,In the U.S., a rising chorus of members of the IT community, academics, NGOs, courts, and government officials concerned about the high cost of drugs and patent litigation has changed the zeitgeist, with the common perception being that the patent system is broken. The culprits are putatively the PTO and the Federal Circuit, where the PTO …