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:
Aug. 06, 1985
Filed:
Aug. 15, 1983
Applicant:
Inventors:
William E Betzner, St. Petersburg, FL (US);
Richard K Holtman, Largo, FL (US);
Assignee:
The Celotex Corporation, Tampa, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ; D21C / ;
U.S. Cl.
CPC ...
162261 ; 162 10 ; 162 23 ; 118303 ; 241 15 ; 241 60 ;
Abstract
A method and apparatus for producing a synthetic board from cellulosic and/or lignocellulosic materials wherein a thermosettable binder, preferably a polyisocyanate binder, is applied through a cooled nozzle to the hot and wet fibrous material in the blow line out of the refiner of a board forming process. Polyphenylpolyisocyanates, such as a mixture of diphenylmethane-4,4'-diisocyanate and polymethylene polyphenyl polyisocyanates, are a particularly suitable binder.
Betzner, William. (1985). Apparatus for blow line addition of thermosettable binder in fiberboard (U.S. Patent No. 4533436). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4533436
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile