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:
Nov. 23, 1993
Filed:
Jun. 16, 1992
Applicant:
Inventors:
Robert S Wedinger, Gastonia, NC (US);
Conrad W Kamienski, Gastonia, NC (US);
Kent N Smith, Bessemer City, NC (US);
George R Sandor, Gastonia, NC (US);
A Revonda Porch, Shelby, NC (US);
Sharon B Smith, Gastonia, NC (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
427140 ; 422 40 ; 427296 ; 427439 ; 556122 ;
Abstract
This invention provides a process for deacidifying paper by contacting the paper one or more times with hydrocarbon or halocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides which may have been treated with carbon dioxide to yield low viscosity solutions, drying the books and rehydrating the books.