Table 3-22b. Index of R&D expenditures 

 In universities and colleges, 1964-72 



(based on constant 1967 dollars') 



Field 



Biology 



Chemistry .... 

 Engineering .. 

 Mathematics . . 

 Physics 



1964 



1966 



1968 



1970 



197V 



' GNP implicit price deflators used to convert current dollars to constant 1967 dollars. 

 ' Interpolated from 1970 and 1972 data. 



SOURCE National Science Foundation, Expenditures tor Scientitic and Engineering Activities at Universities and 

 Colleges. Fiscal Year 1973 (NSF 75-316-A) 



Table 3-23. Citations per basic patent, by type 

 of citation, 1950-61 and 1962-73 



Type of citation 



1950-61' 



1962-73= 



Citations per basic patent 



All types 



Basic research 



Basic and/or applied 



research 



Other patents 



All types 



Basic research 



Basic and/or applied 



research 



Other patents 



3.2 

 0.6 



1.2 

 2.1 



2.9 

 0.7 



1.3 

 1.6 



Number of citations 



148 

 26 



53 

 95 



135 

 35 



59 

 76 



' Based on 46 basic patents with citations. 

 = Based on 47 basic patents with citations. 



SOURCE Franklin Pierce College Law Center and the PTC Research 

 Foundation, Indicators ol the Role of Science in Patented Technology, 1974 (A 

 study commissioned specifically for this report) 



Table 3-24. Number and percent of basic patents citing 



research literature, by field of science and 



engineering, 1950-61 and 1962-73' 



Field 



Electrical engineering . 



Chemistry 



Physics 



Biology 



Metallurgy 



Mechanical engineering 

 Medicine 



1950-61 



1962-73 



Number^ 



Percent 



Number^ 



Percent 



32 



32 



9 



23 



14 

 9 

 5 



31 

 28 

 31 

 7 

 3 

 7 

 3 



' A single patent may contain more than one citation, and these may be related to more than one field of science and 

 engineering. 

 ' Based on 22 basic patents with citations to basic or applied research 

 3 Based on 29 basic patents with citations to basic or applied research 



SOURCE: Franklin Pierce College Law Center and the PTC Research Foundation, Indicators of the Role of Science in 

 Patented Technology. 1974 (A study commissioned specifically for this report). 



209 



