Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Harris Lake Henry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SA Matthey & Co
Original Assignee
SA Matthey & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SA Matthey & CofiledCriticalSA Matthey & Co
Application grantedgrantedCritical
Publication of GB190418920ApublicationCriticalpatent/GB190418920A/en
18,920. Lake, H. H., [Soc. Anon. Matthey & Co.]. Sept. 1. Insulating-compositions.-A mixture of amianthus, calcium sulphate, and water, in proportions varying according to the fineness of the amianthus, is moulded, dried, impregnated with a mixture of pitch, or residue of tar distillation, with pure Para rubber and sulphur at a temperature of 150‹ C., dried, and cleaned. The product can be polished with gum lac.
GB190418920D1904-09-011904-09-01Improvements in, relating to, the Manufacture of Electrical-insulating and Non-heat Conducting Compositions
ExpiredGB190418920A
(en)
A New or Improved Compound for Use as a Substitute for India Rubber, Leather, or other Substances, or for any other Purposes to which it may be applicable.