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
Walter Cottrell Parkin
Alfred Williams
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190422381ApublicationCriticalpatent/GB190422381A/en
22,381. Parkin, W. C., and Williams, A. Oct. 18. Celluloid and like compositions.-Boric acid is added to render the products non-inflammable, the proportions preferred being nitro-cellulose 4 parts, camphor 2 parts, and boric acid 3 parts.
GB190422381D1904-10-181904-10-18An Improved Process for Rendering Celluloid or Nitric Cellulose Compounds Non-inflammable.
ExpiredGB190422381A
(en)