Trademark Overview
On Thursday, December 12, 1968, a trademark application was filed for PERFHEAL with the United States Patent and Trademark Office. The USPTO has given the PERFHEAL trademark a serial number of 72314315. The federal status of this trademark filing is EXPIRED as of Wednesday, November 4, 1992. This trademark is owned by CHEMICAL ADDITIVES COMPANY. The PERFHEAL trademark is filed in the Chemical Products category with the following description:
WELLBORE FLUID ADDITIVES AS BLENDS CONTAINING LIGNOSULFONATES AND SIZED CARBONATES USED TO PREVENT DAMAGE TO PRODUCING ZONES OF OIL, GAS AND WATER WELLS BY INVADING FLUID OR FILTRATE IN THE WORKOVER, COMPLETION, DRILLING, FRACTURING AND PERFORATING OF SUCH WELLS USING FRESH WATER, SEA WATER, OR VARIOUS BRINES