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. 14, 1978
Filed:
Nov. 29, 1973
Applicant:
Inventor:
John Stevens, Harlow, EN;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544140 ; 544171 ; 548362 ; 548363 ; 560172 ; 26029351 ; 2602937 ; 26029388 ; 2604 / ; 2605 / ; 2605 / ;
Abstract
3-Pyrazolidinone compounds having a solubility of at least 12 grams/liter in an aqueous medium of pH 9 of the formula: ##STR1## wherein R is a mononuclear phenyl group having substituents in the 3, 4, or 5 positions with a total of no more than 4 non-metallic atoms with an atomic number greater than 1 and the total mass of the substituents being less than that of benzene,
Stevens, John. (1978). 3-pyrazolidinone derivatives (U.S. Patent No. 4074051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4074051
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile