1
Shenshen Wu: Polyurethane golf ball. Acushnet Co, Pennie & Edmonds, August 2, 1994: US05334673 (554 worldwide citation)

The golf ball is made from a composition of a polyurethane prepolymer and a slow-reacting polyamine curing agent and/or a difunctional glycol. The slow-reacting polyamine curing agents and difunctional glycols are 3,5-dimethylthio-2,4-toluenediamine; 3,5-dimethylthio-2,6-toluenediamine; N,N'-dialkyl ...


2
Shenshen Wu, Murali Rajagopalan: Golf ball covers. Acushnet Company, Pennie & Edmonds, December 2, 1997: US05692974 (279 worldwide citation)

This invention relates to methods of using cationic ionomers in golf ball cover compositions. Further, this invention relates to golf balls which have covers and cores and which incorporate urethane ionomers. The polyurethane golf ball cover has improved resiliency and initial velocity through the a ...


3
Warren M Dusbiber: Ball and process and composition of matter for production thereof. Acushnet Company, Eyre Mann Lucas & Just, October 31, 1978: US04123061 (273 worldwide citation)

A polyurethane golf ball is disclosed. The golf ball comprises a core and a cover at least one of which is a polyether urethane prepolymer with a curing agent selected from the group consisting of trifunctional polyols, tetrafunctional polyols and amine-type curing agents having at least two reactiv ...


4
Shenshen Wu: Polyurethane golf ball with improved resiliency. Acushnet Company, April 3, 2001: US06210294 (124 worldwide citation)

A golf ball comprising a center, a cover, and optionally, at least one intermediate layer disposed between the center and the cover, wherein at least one of the center, the cover, and the at least one intermediate layer is formed with a polyurethane composition comprising a reaction product of a pre ...


5
Warren M Dusbiber: Ball and process and composition of matter for production thereof. Acushnet Company, Eyre Mann Lucas & Just, September 7, 1976: US03979126 (84 worldwide citation)

A solid plastic polyurethane golf ball is disclosed. The golf ball comprises a polyether urethane prepolymer with a curing agent.


6
Michael J Sullivan: Multi-layer cover polyurethane golf ball. Acushnet Company, February 3, 2004: US06685579 (49 worldwide citation)

A golf ball comprising a core and a cover disposed adjacent the core, wherein the cover comprises: an inner cover layer having a first thickness and being disposed directly about the core; an outer cover layer having a second thickness no greater than about 0.050 inches; and an intermediate cover la ...


7
Shenshen Wu, Murali Rajagopalan: Thermoplastic polyurethane golf ball with improved resiliency. Acushnet Company, Swidler Berlin Shereff Friedman, November 11, 2003: US06645091 (25 worldwide citation)

A golf ball comprising a center, a cover, and optionally, at least one intermediate layer disposed between the center and the cover, wherein at least one of the cover and the at least one intermediate layer is formed with a thermoplastic polyurethane composition comprising a reaction product of at l ...


8
Holley Danforth: Painted golf ball method and structure. Holley Plastics Company, March 7, 1972: US3647221 (23 worldwide citation)

A method of producing a urethane painted solid polyurethane golf ball and the resulting structure. The steps in painting a solid polyurethane golf ball include soaking the golf ball in an acetone bath for approximately 20 minutes with intermittent agitation, applying a first coat of pigmented uretha ...


9
Wu Shenshen: Polyurethane golf ball.. Acushnet Co, January 22, 1992: EP0467622-A1 (10 worldwide citation)

The golf ball is made from a composition of a polyurethane prepolymer and a slow-reacting polyamine curing agent and/or a difunctional glycol. The slow-reacting polyamine curing agents and difunctional glycols are 3,5-dimethylthio-2,4-toluenediamine; 3,5-dimethylthio-2,6-toluenediamine; N,N min -dia ...


10
David M Melanson, Michael J Tzivanis, Thomas J Kennedy III: Method for treating thermoplastic polyurethane golf ball covers. Callaway Golf Company, Michael A Catania, Elaine R Lo, October 20, 2009: US07604552 (6 worldwide citation)

A method of forming a golf ball is disclosed herein. The method includes placing a golf ball precursor product comprising a thermoplastic polyurethane cover further comprising an isocyante or hydroxyl terminated polybutadiene in an isocyanate solution. The precursor product is then removed and heate ...