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. 27, 1985
Filed:
Sep. 30, 1982
Applicant:
Inventors:
Bryce C Oxenrider, Florham Park, NJ (US);
David J Long, Stanhope, NJ (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 81156 ; 252-86 ; 252-87 ; 252-875 ; 252-88 ; 4273934 ; 524219 ; 524239 ; 524240 ; 524282 ; 524283 ; 524287 ; 524294 ; 560 37 ; 560 38 ; 560 41 ; 560 87 ;
Abstract
Novel polycarboxy benzene dianhydrides useful as surfactants are disclosed. The novel compounds of this invention are pyromellitate tetraesters wherein two ester moieties characteristically contain fluorinated alkyl groups or saturated hydrocarbon alkyl groups and wherein two ester moieties contain alkylene moieties having a terminal halogen.