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:
Apr. 17, 1979
Filed:
Jun. 19, 1978
Donald F Anderson, White Plains, NY (US);
Stephen D Farrington, North Tarrytown, NY (US);
Stauffer Chemical Company, Westport, CT (US);
Abstract
A one-step process is disclosed for the emulsion polymerzation of vinyl chloride, optionally in the presence of copolymerizable comonomers, using a water-soluble initiator or initiator system and a mixed emulsifier of: (1) at least one C.sub.12 -C.sub.18 straight chain alkyl or alkenyl surfactant, such as sodium lauryl sulfate; (2) at least one C.sub.14 -C.sub.20 straight chain alkyl or alkenyl alcohol, such as stearyl alcohol; and (3) at least one C.sub.5 -C.sub.8 straight alkyl chain sulfosuccinate emulsifier; such as, sodium diamyl sulfosuccinate and sodium dihexyl sulfosuccinate. The presence of the sulfosuccinate emulsifier allows the reaction to be run at lower temperatures than possible using just the other two components of the emulsifier with production of a polymer latex having good mechanical stability. The polymer product is useful as a plastisol or organosol resin.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile