Patents granted during 1945-79, amounting to 672 or 0.8% of all Polish patents over the period, are analysed with regard to year of publication, number of foreign patentees, type of affiliation (industrial, research or administrative), commercial utilization (limited data) and classification by...
Author(s)
Kraszewski, J. M.; Ilnicki, W.
Citation
Annals of Warsaw Agricultural University SGGW-AR, Forestry and Wood Technology, 1986, No. 33, pp 119-128
A total of 3742 abstracts, from the Abstract Bulletin of the Institute of Paper Chemistry and Chemical Abstracts, are presented of scientific articles and patents on the use of lignin and its derivatives in: adhesives; agricultural chemicals; water treatment; general applications; cement; drilling; ...
Citation
Bibliographic Series, Institute of Paper Chemistry, USA, 1984, No. 292, pp 966 pp.
A method patented in the USSR is described, in which tetramethylammonium hydroxide is used as a combined saponifying agent and methylating agent in order to separate the acids and then convert them into methyl esters for analysis by GC.
Author(s)
Kosyukova, L. V.; Dunaev, V. S.
Citation
Khimiya Drevesiny, 1983, No. 4, pp 101-105, 128
Some 517 patents granted in Poland during 1945-79 are analysed with regard to functional system (whole machines or functional parts) and machine groups (types of application). Over half of the patents were for complete machines; this group showed the most rapid increase. Assemblies [major parts of...
Author(s)
Kraszewski, J. M.
Citation
Annals of Warsaw Agricultural University SGGW-AR, Forestry and Wood Technology, 1986, No. 33, pp 111-118
Author(s)
Johnson, S. E.; Richenhaller, J.
Citation
Information Report, Forest Management Institute, Canada, 1978, No. FMR-X-21C (4th ed.), pp 144 pp.
A general review under 3 main headings: transformations of natural chlorophyll during extraction from coniferous foliage; methods of extraction and analysis of chlorophyll components and metal porphyrin complexes; and utilization of chlorophyll derivatives in medicine, food, etc. with particular...
Author(s)
Yagodin, V. I.; Levental', Yu. K.; Fragina, A. I.; Kurnygina, V. T.; Nikitina, V. T.
Citation
Khimiya Drevesiny, 1988, No. 3, pp 3-18, 120
A book containing detailed technical information on the manufacture of many different types of panels including wood particleboard, fibreboard, laminates, wood wool board, and products from vegetable fibres (e.g. straw or bagasse). It is based on US patents issued since 1960 and there are 5 main...
Publisher
Noyes Data Corporation., Park Ridge, New Jersey, USA
Citation
Particle board manufacture., 1977, pp x + 314 pp.
[See FA 30, 4933]. This supplement contains abstracts of articles and patents taken from the Abstract Bulletin of the Institute of Paper Chemistry from Nov. 1969 to Dec. 1980, and the addendum includes abstracts from Jan. 1981 to July 1982. Separate sections cover: raw materials; general; product...
Citation
Bibliographic Series, Institute of Paper Chemistry, USA, 1983, No. 209, pp 345 + 92 pp.
In order to eliminate adhesion of fibreboards, moulded by the semi-dry process, to the lining of the press, studies were made on the transformation of sugars (xylose and glucose formed during pulping) at the pressing temp. of 180-200 deg C and on the adhesive properties of the products. Adhesion...
Author(s)
El'bert, A. A.; Dorokhova, O. V.
Citation
Khimiya Drevesiny, 1983, No. 2, pp 48-51, 122
An analysis of the 1332 patents relevant to the woodworking industry that were published in the USSR in 1963-1970. The patents are divided into three groups, viz. machinery and installations (for sawing, planing, milling, drying, hydrothermal treatment, etc.), methods, and materials. Trends in...
Author(s)
Pavlotskii, A. Ya.
Citation
Derevoobrabatyvayushchaya Promyshlennost', 1976, No. 9, pp 14-15