Patents by Inventor Frank Scardiglia

Frank Scardiglia 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).

  • Extraction resistant polyolefin stabilizers
    Patent number: 4049751
    Abstract: A hindered phenolic antioxidant stablizer for polyolefins is rendered extraction resistant by complexing it with an agent containing complexing groups derived from N-vinyl-2-pyrrolidone or a N-dialkyl substituted amino alkyl ester of an .alpha.,.beta.-unsaturated carboxylic acid.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: September 20, 1977
    Assignee: Dart Industries Inc.
    Inventors: Frank Scardiglia, Kornel Dezso Kiss
  • Pressure-sensitive adhesive compositions
    Patent number: 4022723
    Abstract: This invention discloses pressure-sensitive adhesive compositions comprising an elastomer component and a tackifying component containing as an essential ingredient a terpolymer of styrene, isobutylene and beta-pinene.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: May 10, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Takeo Hokama, Frank Scardiglia
  • Hot melt resinous composition comprising a primary resin, a wax and a terpolymer of styrene, isobutylene and beta-pinene
    Patent number: 3989658
    Abstract: This invention discloses a hot melt resinous composition comprising a primary resin, a wax and a solid, homogeneous and essentially random terpolymers of styrene, isobutylene and beta-pinene having a number average molecular weight of from about 1500 to about 7000, a styrene content of from about 40 to about 60 weight percent, an isobutylene content of from about 10 to about 40 weight percent, a beta-pinene content of from about 10 to about 40 weight percent and a ring and ball softening point of from about 160.degree. to about 240.degree. F.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: November 2, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Takeo Hokama, Frank Scardiglia
  • Copolymers and preparational method therefor
    Patent number: 3976607
    Abstract: A solid, homogeneous and essentially random copolymer of styrene and isobutylene having a number average molecular weight of from about 1000 to about 4000, a heterogeneity index of from about 1.50 to about 2.25 and a styrene content of from about 40 to about 90 weight percent with its higher molecular weight fractions having a higher styrene content than the average styrene content of the copolymer.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: August 24, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Takeo Hokama, Frank Scardiglia
  • Terpolymers of styrene, isobutylene and beta-pinene
    Patent number: 3959238
    Abstract: This invention discloses solid, homogeneous and essentially random terpolymers of styrene, isobutylene and beta-pinene having a number average molecular weight of from about 1500 to about 7000, a styrene content of from about 40 to about 60 weight percent, an isobutylene content of from about 10 to about 40 weight percent, a beta-pinene content of from about 10 to about 40 weight percent and a ring and ball softening point of from about 160.degree. to about 240.degree.F.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: May 25, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Takeo Hokama, Frank Scardiglia