Composition for making durable golf balls
CA 1308212 C · Owner: Acushnet Company · Inventors: Isaac, Sharon R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition for making golf ball products is disclosed. Polybutadiene is crosslinked by zinc diacrylate with the use of a free radical initiator such as a, peroxide. The amount of free radical initiator used is between 0.2 parts and 0.8 parts per 100 parts polybutadiene. The amount of zinc diacrylate and free radical initiator are controlled and the curing conditions adjusted so that the golf ball product has a swell index of at least about 0.6 and a PGA compression of about 50-110.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.