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. 10, 1995
Filed:
May. 03, 1994
Applicant:
Inventors:
Jeffrey A Klang, Exton, PA (US);
Michael J Cannarsa, West Chester, PA (US);
Frank J Liotta, Jr, Collegeville, PA (US);
Scott E Smyth, Riverton, NJ (US);
Assignee:
Arco Chemical Technology L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
428441 ; 524377 ; 524378 ; 524385 ; 524386 ; 524388 ; 525 56 ; 525 58 ; 525 61 ;
Abstract
Plasticized polyvinyl acetal resins based on 4-hydroxybutanal are disclosed. Laminar structures that include the resins, a process for making the resins, and a process for making an internally plasticized polyvinyl acetal resin by esterification, are also revealed.