The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 07, 1984
Filed:
Mar. 22, 1982
Applicant:
Inventor:
Walter D Hunter, Houston, TX (US);
Assignee:
Texaco Development Corp., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5253294 ; 252 / ;
Abstract
Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with polyacrylamide or partially hydrolyzed polyacrylamide alkoxylated with an alkylene oxide and, if desired, a small amount of a sulfated, alkoxylated polyacrylamide, i.e., an N-substituted polyacrylamide having N-substituents of the formula:
Hunter, Walter. (1984). Process for secondary recovery (U.S. Patent No. 4430482). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4430482
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile