Patents Assigned to PipeFusion CIPP Corporation
  • CURABLE COMPOSITIONS FOR CURED-IN-PLACE PIPES
    Publication number: 20220006633
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Application
    Filed: September 10, 2021
    Publication date: January 6, 2022
    Applicant: PipeFusion CIPP Corporation
    Inventors: Richard E. NAWRACAJ, Gabriel URBIETA, Radames DEJESUS
  • Curable compositions for cured-in-place pipes
    Patent number: 11130858
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: September 28, 2021
    Assignee: PipeFusion CIPP Corporation
    Inventors: Richard E. Nawracaj, Gabriel Urbieta, Radames Dejesus
  • CURABLE COMPOSITIONS FOR CURED-IN-PLACE PIPES
    Publication number: 20210095114
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 1, 2021
    Applicant: PipeFusion CIPP Corporation
    Inventors: Richard E. NAWRACAJ, Gabriel URBIETA, Radames DEJESUS
  • Method of curing a cured-in-place liner
    Patent number: 10865305
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 15, 2020
    Assignee: PipeFusion CIPP Corporation
    Inventors: Richard E. Nawracaj, Gabriel Urbieta, Radames Dejesus
  • CURABLE COMPOSITION FOR CURED IN PLACE PIPES
    Publication number: 20200291224
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: PipeFusion CIPP Corporation
    Inventors: Richard E. Nawracaj, Gabriel Urbieta, Radames Dejesus
  • Curable composition for cured in place pipes
    Patent number: 10696839
    Abstract: Disclosed is a curable composition with enhanced curing time at ambient temperatures, the curable composition including (a) a resin, e.g., 4,4?-isopropylidenediphenol-epichlorohydrin copolymer and (b) one or more curing agents, wherein a ratio of a weight percentage of the resin to a weight percentage of the curing agent or curing agents is from about 12:1 to about 15:1. Also disclosed is a method of curing a cured-in-place liner, wherein the cured-in-place liner contains the above curable composition.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: June 30, 2020
    Assignee: PipeFusion CIPP Corporation
    Inventors: Richard E. Nawracaj, Gabriel Urbieta, Radames Dejesus