The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 1983
Filed:
Oct. 10, 1980
Applicant:
Inventors:
Brian Hargreaves, Manchester, GB;
Robert A Lancaster, Littleborough, GB;
Brian Healey, Rochdale, GB;
Alan K Cousens, Cambridge, GB;
Assignee:
Turner & Newall PLC, Manchester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162145 ; 162146 ; 162175 ; 1621816 ;
Abstract
Non-asbestos alternatives to starch-bound asbestos papers comprise a matrix of unfired ball clay which is reinforced by vitreous fibres derived from wool-form materials and by organic web-forming fibres, the whole being bound together by hydrolysed starch.