Abstract: The invention relates to the use of polybasic acids as gloss reduction agents in the preparation of paint or coating compositions based on hydroxy or phenolic functional resins and also containing an amino crosslinking agent and a pigment. Cured coatings exhibiting good flexibility, hardness and solvent resistance, as well as reduced or controllable gloss are obtained.
Type:
Grant
Filed:
May 20, 1994
Date of Patent:
October 17, 1995
Assignee:
Exxon Chemical Patents, Inc.
Inventors:
Albert I. Yezrielev, William E. Wellman, Ralph M. Kowalik, Robert N. Sachs
Abstract: Noble metal or other preformer catalysts used to convert cobalt salts to hydrido cobalt carbonyl for use in the oxonation of olefins are reactivated or regenerated by treatment with a mixture of an aqueous organic acid solution and an alcohol at a temperature of about 120.degree. C. to 170.degree. C. and a pressure of about 13.78 MPa to 31.00 MPa for about 2 to 50 hours.
Abstract: Plasticized PVC compositions are disclosed which are heat resistant and which exhibit low smoke generation where the plasticizer is a pentaerythritol ester of mixed C.sub.5, C.sub.7 and C.sub.9 alkanoic acids.
Type:
Grant
Filed:
January 14, 1994
Date of Patent:
July 4, 1995
Assignee:
Exxon Chemical Patents Inc.
Inventors:
Richard H. Schlosberg, John R. Hooton, Leonard G. Krauskopf, Francisco M. Benitez, James D. Gerald
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