Patents by Inventor Earl Kaplan

Earl Kaplan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Peptizing agent for natural rubber and synthetic butadiene-styrene rubber
    Patent number: 4129538
    Abstract: A peptizing agent for natural rubber and synthetic butadiene-styrene rubber comprising a blend of (A) a mixture of an iron-free peptizer and a zinc salt of mixed fatty acids and (B) an iron phthalocyanine.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: December 12, 1978
    Assignee: American Cyanamid Company
    Inventors: Earl Kaplan, Frank G. Pinto
  • Use of methylenebis- and thiobisnaphthols as promoters in tire cord adhesion to rubber
    Patent number: 4092455
    Abstract: Vulcanizable rubber compositions providing excellent bonding of textile or metal reinforcing fibers thereto which comprises a rubber, a filler material, an N-(substituted oxymethyl)melamine and a compound selected from 1,1'-methylenebis(2-naphthol), 2,2'-methylenebis (1-naphthol), mixtures thereof, 1,1'-thiobis(2-naphthol), 2,2-thiobis(1-naphthol), 4,4'-methylenebis(1-naphthol), 4,4'-thiobis(1-naphthol) and mixtures thereof.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: May 30, 1978
    Assignee: American Cyanamid Company
    Inventors: Frank George Pinto, Earl Kaplan
  • Free-flowing blends of hexa(methoxymethyl)-melamine, carbon black and silica compounds
    Patent number: 3975296
    Abstract: This invention relates to compositions which are free-flowing, non-caking blends of liquid partially etherified methylolated melamines useful as tire cord adhesion promoters; more particularly, blends of liquid methyl ethers of methylolated melamines, carbon black and inert silica fillers.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: August 17, 1976
    Assignee: American Cyanamid Company
    Inventor: Earl Kaplan