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. 01, 1977
Filed:
Jun. 06, 1975
Applicant:
Inventors:
Thomas F Swank, Chelmsford, MA (US);
Richard Waack, Wayland, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
96129 ; 96114 ; 96130 ; 96137 ; 96139 ; 96140 ;
Abstract
Colloidally stable dispersions of a spectral sensitizing dye are formed directly in water without the use of an organic solvent. The process of the invention involves mixing the dye particles with water to form a slurry and then homogenizing or milling the slurry at an elevated temperature in the presence of a surfactant to form finely divided particles uniformly dispersed in the water.
Swank, Thomas. (1977). Process for dispersing sensitizing dyes (U.S. Patent No. 4006025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4006025
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile