(12) United States Patent ao) Patent No.: Us 7,700,871 B2
Bertini et al. (45) Date of Patent: Apr. 20,2010
(54) ACID-CATALYZED DIELECTRIC
ENHANCEMENT FLUID AND CABLE
RESTORATION METHOD EMPLOYING
(75) Inventors: Glen J. Bertini, Tacoma, WA (US);
Gary A. Vincent, Auburn, WA (US)
(73) Assignee: Novinium, Inc., Kent, WA (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 446 days.
(21) Appl.No.: 11/625,251
(22) Filed: Jan. 19, 2007
(65) Prior Publication Data
US 2008/0173467 Al Jul. 24, 2008
(51) Int. CI.
H01B 3/00 (2006.01)
(52) U.S. CI 174/25 C; 427/117; 427/118;
(58) Field of Classification Search 174/25 C;
427/117, 118, 140; 156/48 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
A dielectric enhancement fluid composition having at least one organoalkoxysilane and an acid catalyst having a pK^ less than about 2.1 and a method for using the composition to enhance the dielectric properties of an electrical cable having a central stranded conductor encased in a polymeric insulation and having an interstitial void volume in the region of the conductor, the method comprising at least partially filling the interstitial void volume of the cable with the composition. The fluid composition may further include an organometallic catalyst and a corrosion inhibitor.
22 Claims, 9 Drawing Sheets