Process for manufacturing of paper.- Falls Church, VA, US, The Patent Description & Claims data below is from USPTO Patent Application 20080035293, Process... J Ahlgren 被引量: 0发表: 0年 Process of manufacturing authenticatable paper products Process for manufacturing of paper.- Falls Church, ...
Process of paper manufacturingComplete Patent Searching Database and Patent Data Analytics Services.doi:US1479786 AEdward H ButterfieldFerdinand D OtterbeinUS
Experiences of Defoaming in Pulp and Paper Manufacturing Process This paper consists of five sections under the tittles listed below : 1. Causes of foaming and examples in pulp and paper manufacturing process2. Aspects o... Hamao,Wada - 《Japan Tappi Journal》 被引量: 0发表: 1982年 ...
PROCESS FOR MANUFACTURING NEWSPRINT PAPER 来自 掌桥科研 喜欢 0 阅读量: 10 申请(专利)号: SU19914941160 申请日期: 1991-06-03 公开/公告号: RU1807145C 公开/公告日期: 1993-04-07 申请(专利权)人: TSENTRALNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT BUMAGI 发明人:...
1. Process for manufacturing a paper sheet, it consists in: a) preparing or providing a manufacturing composition based on water and on a bleached or unbleached chemical paper pulp, a mechanical or thermomechanical pulp, or mixtures thereof, said composition comprising, in ionic equilibrium, at ...
process for the manufacture of paper having retained therein high levels of starch wherein such starch is a specially treated, cooked, cross-linked starch which is added with a poly-electrolyte at the wet end of the paper manufacturing process or sprayed on the web in the paper-forming ...
After the mineral material has precipitated on to the fibers in the suspension, a gas is injected into the suspension containing a carbon dioxide to neutralize and stabilize the pH value of the cellulose fiber suspension. The fiber suspension used is supplied as a pulp of chemically bleached or...
I claim: 1. In a process of manufacturing paper filled with a filler comprising a substantially waterinsoluble carbonate, the steps of bringing into substantially intimate contact materials comprising substantially water-insoluble carbonate and a copper compound selected from a group consisting of copper...
New method for the preparation of a fibrous sheet by using paper manufacturing techniques in order to improve the retention and particularly the opacity, said method being characterized in that 1) an aqueous suspension of fibrous is prepared; 2) an aqueous suspension of mineral filler and binder ...
In 1800 a book was published that launched development of practical methods for manufacturing paper fromwood pulpand other vegetable pulps. Several major pulping processes were gradually developed that relieved the paperindustryof dependency upon cotton and linen rags and made modern large-scale productio...