Patents by Inventor Thomas Patrick Sassi

Thomas Patrick Sassi 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).

  • Patent number: 6545156
    Abstract: Oligomeric compounds and methods of making the compounds having the formula: T&Parenopenst;M—F&Parenclosest;i&Parenopenst;M—F′&Parenclosest;jM  (III) wherein i and j are integers from about 0 to 300 and the sum of i and j is greater than 2, wherein the units F, F′ and T are derived from one or more multi-functional carbonyl compounds of general structure DO—CO—CRaRb—(—CRcRd—)n—NH—(Y)m—CO—OD  (IV) wherein n is an integer from 1 to 15, m is either 0 or 1; Ra, Rb, Rc, and Rd, are each a hydrogen or a hydrocarbyl group; Y is CO—(CReRf)p, wherein Re and Rf are each a hydrogen or hydrocarbyl group and p is zero or an integer from 1 to 20 or CO—C6H4—, D is a hydrocarbyl group, and M is a moiety derived from one or more diamino or dihydroxy compounds that contain a 4-aminopiperidine radical.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: April 8, 2003
    Assignee: Cytec Technology Corp.
    Inventors: Thomas Patrick Sassi, Ram Baboo Gupta
  • Patent number: 6537670
    Abstract: The present invention relates to novel bisbenzophenones and the use thereof as an ultraviolet light absorber. The presently claimed compounds are particularly useful, either alone or in combination with other additives, including other ultraviolet light absorbers, antioxidants and stabilizers, in stabilizing polymers and other materials from degradation by environmental forces such as actinic radiation (ultraviolet light), oxidation, moisture, atmospheric pollutants and combinations thereof.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: March 25, 2003
    Assignee: Cytec Technology Corp.
    Inventor: Thomas Patrick Sassi
  • Patent number: 6414155
    Abstract: Oligomeric compounds and methods of making the compound having the formula: wherein i, j, k, and l are integers from about 0 to 300 and the sum of i, j, k, and l is greater than 2, wherein the units F, F′ and T are derived from one or more multi-functional carbonyl compounds of general structure DO—CO—CRaRb—(—CRcCRd—)n—NH—(Y)m—CO—OD  (IV) wherein n is an integer from 1 to 15, m is either 0 or 1; Ra, Rb, Rc, and Rd, are each a hydrogen or a hydrocarbyl group; Y is CO—(CReRf)p, wherein Re and Rf are each a hydrogen or hydrocarbyl group and p is zero or an integer from 1 to 20 or CO—C6H4—, wherein the substitution pattern on the phenylene group is an ortho, meta, or para substitution pattern, and one or more of the hydrogens of the phenylene group may be substituted by a hydrocarbyl group or a functional group; and D is a hydrocarbyl group and the units E, E′ and S are derived from one or more 1-sub
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: July 2, 2002
    Assignee: Cytec Technology Corp.
    Inventors: Thomas Patrick Sassi, Ram Baboo Gupta
  • Patent number: 5840908
    Abstract: Novel mono- and bis-benzothiazole sulfenamide compounds based on primary amines are provided which may be employed as rubber vulcanization accelerators having excellent scorch safety. Vulcanizable rubber compositions containing rubber, sulfur and the novel benzothiazole sulfenamide compounds are also provided.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: November 24, 1998
    Assignee: Cytec Technology Corp.
    Inventors: Balwant Singh, Thomas Patrick Sassi, Laurence Wu-Kwang Chang