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.

Date of Patent:
Nov. 21, 1978

Filed:

Mar. 21, 1977
Applicant:
Inventors:

George A Walrath, Scotia, NY (US);

John T Keating, Clifton Park, NY (US);

Assignee:

Schenectady Chemicals, Inc., Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 156326 ; 156327 ; 156335 ; 1741 / ; 1741 / ; 260 / ; 260 / ; 260841 ; 260844 ; 2608 / ; 2608 / ; 427117 ; 428379 ; 428460 ; 526-7 ; 526-9 ; 526 11 ;
Abstract

Polyvinyl formal dissolved in a solvent comprising certain monoalkyl ethers of diethylene glycol and triethylene glycol or the monophenyl ether of ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol or propylene glycol. In some cases it is necessary to have a diluent such as an aromatic hydrocarbon present.


Find Patent Forward Citations

Loading…