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:
May. 19, 1992
Filed:
Dec. 18, 1990
Chung-Yuan Lin, Orange, CT (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
Disclosed are mixed halocarbon blowing agents comprising (1) halocarbons boiling below about 10.degree. C., (2) halocarbons boiling between 20.degree. C. and 35.degree. C., and (3) inert organic liquids having a boiling point from about 35.degree. C. to about 125.degree. C. Also disclosed are blends of the above mixed blowing agents with active hydrogen containing compounds, particularly polyols and the rigid closed cell foams prepared from such blends. Up to 60 percent reduction in hard halocarbons is realized with the mixed blowing agents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile