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:
Jan. 26, 2021
Filed:
Mar. 29, 2017
Rohm and Haas Company, Collegeville, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Andrea C. Keenan, Pottstown, PA (US);
Emmett M. Partain, III, Bound Brook, NJ (US);
Theodore Tysak, Ambler, PA (US);
Jennifer J. Todd, Willow Grove, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Union Carbide Corporation, Seadrift, TX (US);
Abstract
A method for producing a crosslinked gel. The method comprises steps of: (a) combining (i) water, (ii) alginic acid, alginates, or mixtures thereof, (iii) carboxymethylcellulose, (iv) a salt of calcium, magnesium or zinc, (v) a nonionic surfactant and (vi) fragrance to form a gel having a surface; and (b) contacting with the surface of said gel an additional aqueous solution of a salt of calcium, magnesium or zinc.